Title of Invention

PYRAZOLO(1,5-A)PYRIDINES AND MEDICINES CONTAINING THE SAME

Abstract Compounds represented by the general formula: [wherein R<SUB>1</SUB> represents methoxy, ethyl, methylthio, etc., R<SUB>2</SUB>, R<SUB>3</SUB> and R<SUB>4</SUB> each represent hydrogen, a halogen, etc., R<SUB>5</SUB> and R<SUB>6</SUB> each represent -X<SUB>5</SUB>-X<SUB>6</SUB>-X<SUB>7</SUB> (wherein Xs represents a single bond or -CO-, X<SUB>6</SUB> represents a single bond, -NR3a, etc. and X<SUB>7</SUB> and R<SUB>3</SUB>a each represent hydrogen, C<SUB>1</SUB>-<SUB>1</SUB>0 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.], salts thereof and hydrates of the foregoing.
Full Text

DESCRIPTION
Pyrazolo [1, 5-a] pyridines and Medicines Containing the same.
Technical Field
The present invention relates to novel compounds having corticotropin-Releasing Factor receptor antagonistic activity, salts thereof and hydrates of the foregoing, to process for producing the same and to the use of the same as medicine.
In our co-pending application no. 1748/DELNP/2003 from which this application has been divided out, we have described and claimed an invention relating to novel compounds having corticotropin-Releasing Factor receptor antagonistic activity, salts thereof and hydrates of the foregoing, to process for producing the same and to the use of the same as medicine.
Background Art
Corticotropin-Releasing Factor (hereinafter abbreviated as "CRF") is a neuropeptide consisting of 41 amino acids which was first isolated from ovine hypothalamus [Science, 213, 1394 (1981)], after which its presence was also confirmed in rats [Proc. Natl. Acad. Sci, USA, lEK), 4851 (1983)] and in humans [EMBO J. 5, 775 (1983))]. CRF is most abundant in the pituitary gland and hypothalamus and is also widely distributed throughout the cerebral cortex, cerebellum and other areas of the brain. Its presence ha also been confirmed in peripheral tissue such as the placenta, adrenal gland, lung, liver, pancrea and digestive tract [J. Clin, Endocrinol. Metab., 65, 176 ((1987), J. Clin. Endocrinol. Metab., 67, 768 (1988), Regul. Pept., 18, 173 (1987), Peptides, 5_ (Suppl.l), 71 (1984)]. Two subtype CRF receptor has been described, CRF1 and CRF2,

and the CRF1 receptor is reported to be widely distributed in the cerebral cortex, cerebellum,
olefactory bulb, pituitary gland, amuygdaloid nucleus and
elsewhere. Recently, 2 subtypes of the CRF2 receptor have been confirmed, CRF2a and CRF2(3, of which it has been discovered that CRF2a receptors are abundantly distributed in the hypothalamus, septal nuleus and choroid plexus, while CRF2f$> receptors are primarily distributed in peripheral tissue such as the skeletal muscle, or in the cerebral blood vessels of the central nervous system [J. Neuroscience, 15(10)6340 (1995); Endocrinology, 137, 72 (1996); BBA, 1352, 129 (1997)]. The fact that each of these receptors has a different distribution profile suggests that their roles are also different. CRF is produced and secreted in the hypothalamus and promotes stress-induced release of adrenocorticotropic hormone (ACTH) [Recent Prog. Horm. Res., 3_9, 245 (1983)]. In addition to its endocrine role, CRF also functions as a neurotransmitter or neuromodulator in the brain, integrating electrophysiological, autonomic and behavioral changes in response to stress [Brain Res. Rev., 1_5, 71 (1990); Pharmacol. Rev., 43_, 425 (1991)].
CRF has been implicated in a variety of disease to date, as indicated by the following publications.
It was reported that elevated concentrations of

CRF in the cerebrospinal fluid of patients with major depression compared with healthy controls [Am. J
psychialtry, 144(7), 873 (1087)]; CRF-mRNA levels in the
hypothalamus of depressive patients are higher than that of healthy individuals [Am. J. Psychiatry, 152, 1372 (1995)]; CRF receptors in cerebral cortex are reduced in suicide victims [Arch. Gen. Psychiatry, 45, 577 (1988)]; plasma ACTH increase is diminished with administration of CRF to depressive patients [N. Engl. J. Med., 3JU, 1329 (1986)]; CRF levels in the cerebrospinal fluid of some anxiety patients with obsessive-compulsive disorder, posttraumatic stress disorder or Tourette' s syndrome are higher than in that of healthy individuals [Arch. Gen. Psychiatry, 5_1, 7 94 (1994); Am. J. Psychiatry, 154_, 624 (1997); Biol. Psychiatry, 3_9, 776 (1996)]; plasma ACTH increase is diminished with administration of CRF to panic disorder patients [Am. J. Psychiatry, 143, 896 (1986)]; anxiety behavior has been observed in experimental animals by central administration of CRF [Brain Res., 574, 7 0 (1992); J. Neurosci., 10(1), 176 (1992)]. In addition, anxiety behavior is observed more frequently in CRF overexpressing mice than in normal mice [J. Neurosci., 1_4(5), 2579 (1994)],' and CRF levels in the locus coeruleus are reduced by administration of anxiolytics [J. Pharmaco. Exp. Ther., 258,. 349 (1991)]. Also, the

peptide CRF antagonist a-helical CRF(9-41) exhibits an anxiolytic effect in animal models [Brain Res., 509, 80

Neurosci., 1_4 (5) , 2579 (1994)]; abnormal behavior withdrawal from alcohol or addictive drugs such as cocaine are inhibited by the peptide CRF antagonist a-helical CRF(9-41) [Psychopharmacology, 103, 227 (1991)]; CRF inhibits sexual behavior in rats [Nature, 305, 232 (1983)]; CRF reduces sleep in rats and is thus implicated the involvement in sleep disorder [Pharmacol. Biochem. Behav., 26, 699 (1987)]; the peptide CRF antagonist a-helical CRF(9-41) suppresses brain damage or electroencephalogram disturbances due to brain ischemia or NMDA receptor activation [Brain Res., 545, 339 (1991), Brain Res., 65JJ, 405 (1994)]; CRF elicits electroencephalogram and induces convulsions [Brain Res., 278, 332 (1983)]; cerebrospinal CRF levels are elevated in schizophrenic patients compared with healthy individuals [Am. J. Psychiatry, 144 (7), 873 (1987)]; CRF contents in cerebral cortex is reduced in Alzheimer's patients, Parkinson's patients and progressive supranuclear palsy patients [Neurology, 37, 905 (1987)]; and CRF is reduced in the ganglia in Huntington's disease [Brain Res., 437, 355 (1987), Neurology, 3_2, 905 (1987)]. In addition, CRF administration has been found to enhance learning and

memory in rats [Nature, 3_7_8, 284 (1995); Neuroendocrinology, _57_,. 1071 (1993)], and CRF levels of
cerebrospinal fluid are reduced in mayotrophic lateral
sclerosis patients. Oversecretion of ACTH and adrenocorticosteroids are exhibited in CRF overexpressing mice, these mice display abnormalities similar to Cushing's syndrome, including muscular atrophy, alopecia and infertility [Endocrinology, 130(6), 3378 (1992)]; cerebrospinal CRF levels are elevated in anorexia nervosa patients compared with healthy individuals, and plasma ACTH increase is low with administration of CRF to anorexia nervosa patients [J. Clin. Endocrinol. Metab., _62_, 319 (1986)]; and CRF suppress food consumption in experimental animals [Neuropharmacology, 22_(3A), 337 (1983)]. Moreover, the peptide CRF antagonist a-helical CRF(9-41) reverses stress-induced reduction in food intake in animal models [Brain Res. Bull., 1/7(3), 285 (1986)]; CRF has suppressed body weight gain in genetically obese animals [Physiol. Behav., jl5_, 565 (1989)]; a link has been suggested between low CRF levels and obesity syndrome [Endocrinology, 130, 1931 (1992)]; the anorexic action and body weight-reducing effects of serotonin reuptake inhibitors has been possibly linked to CRF release [Pharmacol. Rev., _4_3, 425 (1991)]; and CRF acts centrally or peripherally to inhibit gastric

contraction and reduce gastric emptying [Regulatory Peptides, 2JL, 173 (1988); Am. J. Physiol., 25_3, G241

reduced gastric function is reversed by the peptide CRF antagonist a-helical CRF(9-41) [Am. J. Physiol., 262, G616 (1992)]; and CRF promotes secretion of bicarbonate ion in the stomach, thereby lowering gastric acid secretion and suppressing cold restraint stress ulcers [Am. J. Physiol., 258_, G152 (1990)]. Also, administration of CRF increases ulcers in non-restraint stress animals [Life Sci., 45_, 907 (1989)], and CRF suppresses small intestinal transit and promotes large intestinal transit, and defecation is induced. In addition, the peptide CRF antagonist cx-helical CRF(9-41) has a inhibiting effect against restraint stress-induced gastric acid secretion reduced gastric emptying, and small intestinal transit and accelerated large intestinal transit [Gastroenterology, 9_5, 1510 (1988)]; psychological stress in healthy individuals increases anxiety or sensations of gas and abdominal pain during colonic distension and CRF lowers the discomfort threshold [Gastroenterol., 109, 1772 (1995); Neurogastroenterol. Mot., 8_, 9 (1996)]; irritable bowel syndrome patients experience excessive acceleration of colonic motility with CRF administration compared to healthy individuals [Gut, 42_, 845. (1998)];

administration of CRF increases blood pressure, heart rate and body temperature, while the peptide CRF
"antagonist alpha-helical CRF(9-41) supresses stress-
induces increases in blood pressure, heart rate and body temperature [J. Physiol., 4_6j0, 221 (1993)]; CRF production is increased locally in inflammation sites in experimental animals and in the synovial fluid of rheumatic arthritis patients [Science, 254, 421 (1991); J. Clin. Invest., 90, 2555 (1992); J. Immunol., 151, 1587 (1993) ] ; CRF provokes degranulation of mast cells and promotes vascular permeability [Endocrinology, 13i9(l), 403 (1998); J. Pharmacol. Exp. Ther., 288 (3) , 1349 (1999)]; CRF is detected in autoimmune thyroiditis patients [Am. J. Pathol., 145, 1159 (1994)]; administration of CRF to experimental autoimmune encephalomyelitis rats has notably suppressed progression of symptoms such as paralysis [J. Immumol., 158, 5751 (1997)]; and urocortin (a CRF analogue) has increased growth hormone secretion in a pituitary adenoma culture system from an acromegalia patient [Endocri. J, 4_4, 627 (1997)]. Furthermore, CRF simulates secretion of cytokines such as interleukin-1 and interleukin-2 by leukocytes [J. Neuroimmunol., 23, 256 (1989); Neurosci. Lett., 120, 151 (1990)]; and CRF administration and stress both suppress T lymphocyte proliferation and natural killer cell activity. The

peptide CRF antagonist a-helical CRF(9-41) improves the reduced function of these immune cells caused by CRF
administration or stress [Endocrinology, `28(3), 1329
, and ventilation is notably increased by administration of CRF [Eur. J. Pharmacol., 182, 405 (1990)]. Finally, aggravated breathing and insomnia have been observed as a result of CRF administration to elderly patients under chronic artificial respiration [Acta Endocrinol. Copenh., 127, 200 (1992)].
The research cited above suggests that CRF antagonists may be expected to exhibit excellent effects for treatment or prevention of depression and depressive symptoms such as major depression, single-episode depression, recurrent depression, depression-induced child abuse and postpartum depression, mania, anxiety, generalized anxiety disorder, panic disorder, phobias, obsessive-compulsive disorder, posttraumatic stress disorder, Tourette's syndrome, autism, affective disorder, dysthymia, bipolar disorder, cyclothymic personality, schizophrenia, Alzheimer's disease, senile dementia of Alzheimer's type, neurodegenerative disease such as Parkinson's disease and Huntington's disease, multi-infarct dementia, senile dementia, anorexia nervosa, increased appetite and other eating disorders, obesity, diabetes, alcohol dependence, pharmacophilia for drugs such as cocaine, -heroin or benzodiazepines,

drug or alcohol withdrawal symptoms, sleep disorder, insomnia, migraine, stress-induced headache, muscle
concenttration induces headache, ischemic neuronal damage,
excitotoxic neuronal damage, stroke, progressive supranuclear palsy, amyotrophic lateral sclerosis, multiple sclerosis, muscular spasm, chronic fatigue syndrome, psychosocial dwarfism/ epilepsy, head trauma, spinal cord injury, cheirospasm, spasmodic torticollis, cervicobrachial syndrome, primary glaucoma, Meniere's syndrome, autonomic imbalance, alopecia, neuroses such as cardiac neurosis, gastric neurosis and bladder neurosis, peptic ulcer, irritable bowel syndrome, ulcerative cotis, Crohn's disease, diarrhea, constipation, postoperative ileus, stress-associated gastrointestinal disorders and nervous vomiting, hypertension, cardiovascular disorders such as angina pectoris nervosa, tachycardia, congestive heart failure, hyperventilation syndrome, bronchial asthma, apneusis, sudden . infant death syndrome, inflammatory disorders (for example, rheumatic arthritis, osteoarthritis, lumbago, etc.), pain, allergosis (for example, atopic dermatitis, eczema, hives, psoriasis, etc.), impotence, menopausal disorder, fertilization disorder, infertility, cancer, HIV infection-related 'immune dysfunction, stress-induced immune dysfunction, hemorrhagic stress, Cushing's syndrome, thyroid

function disorder, encephalomyelitis, acromegaly,
incontinence, osteoporosis, and the like. As example
of CRF antagonists there hav ebeen reported peptide CRF
receptor antagonists with modifications or deletions of portions of the amino acid sequence of human or other mammalian CRF, and such antagonists have shown ACTH release-inhibiting effects or anxiolytic effects
[Science, 224, 889(1984), J. Pharmacol. Exp. Ther., 269, 564 (1994), Brain Research Reviews, L5, 71 (1990)]. However, peptide derivatives have low utility value as drugs from the standpoint of pharmacokinetics including their chemical stability in the body, oral absorption, bioavailability and migration into the brain.
On the other hand, the following non-peptide CRF antagonists have also been reported. [1] Compounds represented by the formula:

[wherein R1 represents NR4R5, etc.; R2 represents C1-6 alkyl, etc.; R3 represents C1-6 alkyl, etc.; R4 represents C1-6 alkyl, etc.; R5 represents C1-8 alkyl, etc.; and Ar represents phenyl, etc.], stereoisomers thereof or pharmacologically acceptable acid addition salts of the foregoing(WO97/29109); [2] Compounds represented by the formula:


[wherein the dotted lines represent single bonds or double bonds; A represents CR7, etc.; B represents NR1R2, etc.; J and K are the same or different and represent nitrogen, etc.; D and E are the same or different and represent nitrogen, etc.; G represents nitrogen, etc.; R1 represents C1-C6 alkyl, etc.; R2 represents C1-C12 alkyl, etc.; and R1 represents hydrogen, etc.] or pharmacologically acceptable salts thereof (WO98/08847);
[3] The anilinopyrimidine compounds described in WO95/10506, the pyrazolopyridine compounds described in W095/34563, the pyrazole compounds described in W094/13661, the pyrazole compounds and pyrazolopyrimidine compounds described in W094/13 643, the aminopyrazole compounds described in W094/18644, the pyrazolopyrimidine compounds described in W094/13677, the pyrrolopyrimidine compounds described in W094/13676, the thiazole compounds described in EP-659747 and EP-611766, the anilinopyrimidine compounds described in J. Med. Chem., 3_9, 4358(1996), the anilinotriazine compounds described in ibid. 39, 4354(1996) and the thienopyrimidine compounds described in WO97/29110; and

[4] As pyrazolo[1,5-a]pyridine compounds, the compounds described, for example, in EP433854, EP433853 or
Disclosure of the Invention
As mentioned above, it is ardently desired to provide CRF receptor antagonists which are useful as drugs, but clinically effective agents that exhibit excellent CRF receptor antagonism and satisfy the requirements of pharmacological activity, dosage and safety as medicines have not yet been discovered. It is therefore an object of the present invention to investigate and discover such excellent CRF receptor antagonists. .
As a result of much diligent examination and research in light of the circumstances described above, the present inventors have discovered novel pyrazolo[1,5-a]pyridine compounds exhibiting excellent CRF receptor antagonism.
The invention provides: a compound represented by the general formula:


[wherein R1 represents hydrogen, halogen, nitro, cyano or the formula -G1-R13 (wherein G1 represents a single bond, methylene, oxygen, sulfur, sulfinyl, sulfonyl, -C(O)-, -C(O)0-, -OC(O)-, -NRlb-, -C(O)-NRlb-, -S (O) 2-NRlb-, -NRlb-C(O)- or -NRlb-S (O)2~; and Rla and Rlb each independently represent hydrogen, C1-i0 alkyl, C2-10 alkenyl, C2-10 alkynyl, C3-8 cycloalkyl or C5-s cycloalkenyl);
R2, R3 and R4 each independently represent hydrogen, halogen, cyano, nitro, hydroxyl, C6-i4 aryl, a 5- to 14-membered . heteroaryl group or the formula -G2-R2a (wherein G2 represents a single bond, Cx-6 alkylene, oxygen, sulfur, sulfinyl, sulfonyl, -C(O)-, -C(O)0-, -0C(O)-, -NR2b-, -C(O)-NR2b-, -S(O)2-NR2b-, -NR2b-C(O)- or -NR2b-S (O)2~;
R2a and R2b each independently represent hydrogen, C1-6 alkyl optionally substituted with 1-3 halogen, C2-10 alkenyl, C2_10 alkynyl, C3_8 cycloalkyl or C5-B cycloalkenyl);

R2 and R3 or R3 and R4 may bond together to form a 5- to 7-membered ring optionally, containing 1 to 4 hetero
aroms in the roing and optiionally containing carbonyl in
the ring;
R5 and R6 each independently represent the formula -X5-
X6-X7 (wherein X5 represents a single bond or -CO-; X6
represents a single bond, -NR3a-, oxygen, sulfur,
sulfinyl, sulfonyl, C1-10 alkylene, C2-10 alkenylene or C2-
10 alkynylene; and X7 and R3a each independently
represent hydrogen, C1-10 alkyl, C2-10 alkenyl, C2-10
alkynyl, C3_8 cycloalkyl, C5-s cycloalkenyl, C6-i4 aryl, a
5- to 14-membered heteroaryl group, a 4- to 14-membered
heterocyclic group, a 9- to 11-membered benzene fused
ring group, an 8- to 11-membered heteroaryl fused ring
group or a bicyclic 7- to 12-membered hydrocarbon ring
group);
R5 and R6 may bond together to form a 5- to 10-membered
ring optionally containing 1 to 4 hetero atoms in the
ring and optionally containing carbonyl in the ring;
R6 and R2 may bond together to form a 6- to 7-membered
ring optionally containing 1 or 2 hetero atoms in the
ring and optionally containing carbonyl in the ring;
and
Ar represents C6-14 aryl, a 5- to 14-membered heteroaryl
group, a 9- to 11-membered benzene fused ring group or
an 8- to 11-membered heteroaryl fused ring group; with .

the proviso that Rla, Rlb, R3a, X6, X7 and Ar may each independently have 1 to 4 groups selected from
substituent Group A below>
The group consisting of methylenedioxy, ethylenedioxy and the formula -V1-V2-V3 (wherein V1 represents a single bond, C1-6 alkylene, C2_6 alkenylene, C2-6 alkynylene, oxygen, sulfur, carbonyl, -C0-O-, -O-C0- or -NR3b-; V2 represents a single bond or C1-6 alkylene; and V3 and R3b each independently represent C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, C3_8 cycloalkyl, C5-8 cycloalkenyl, C6-14 aryl, a 5- to 14-membered heteroaryl group, a 4- to 14-membered heterocyclic group, hydrogen, halogen, hydroxyl, cyano, C1-6 alkoxy or the formula -N(R3c)R3d (wherein R3c and R3d each independently represent hydrogen or C1-6 alkyl) ) ] ,
a salt thereof or a hydrate of the foregoing. a compound according to , a salt of the compound or a hydrate of the foregoing, wherein R1 is the formula -G10-R10 (wherein G10 represents a single bond, methylene, oxygen, sulfur, sulfinyl or sulfonyl and R10 represents C1-6 alkyl optionally substituted with 1 to 3 halogen, C2-6 alkenyl, C2-e alkynyl or C3_8 cycloalkyl) ; a compound according to , a salt of the compound or a hydrate of the foregoing, wherein R10 is methyl, ethyl, n-propyl, iso-propyl, trifluoromethyl,

difluoromethyl, monofluoromethyl, cyclopropyl or cyclobutyl;
a compound according to ,a salt of the compound
or a hydrate of the foregoing, wherein R1 is methoxy; a compound according to , a salt of the compound or a hydrate of the foregoing, wherein R1 is ethyl; a compound according to , a salt of the compound or a hydrate of the foregoing, wherein R1 is methylthio; a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein R2, R3 and R4 each independently represent hydrogen, halogen, cyano, nitro, hydroxyl, or the formula -G20-R20 (wherein G20 represents a single bond, oxygen, sulfur, sulfinyl or sulfonyl, and R20 represents C1-6 alkyl optionally substituted with 1 to 3 halogen, C2-10 alkenyl, C2-10 alkynyl or C3_8 cycloalkyl) ; a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein R2, R3 and R4 are hydrogen;
a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein Ar is phenyl, 1,3-benzodioxolyl, naphthyl, pyridyl, pyrazyl, pyrimidyl, pyridazyl, thienyl, furanyl, imidazolyl, thiazolyl, quinolinyl, isoquinolinyl, indolinyl, benzofuranyl, benzothienyl, oxazolyl or isoxazolyl, and Ar may have • 1 to 4 groups

selected from Substituent Group B below; The goup consisting of halogen, cyano, hydroxyl, nitro,
methylenedioxy, ethylenedioxy, the formula -V4-V5 (wherein V4 represents a single bond, oxygen, sulfur, sulfinyl or sulfonyl and V5 represents C1-6 alkyl optionally substituted with 1 to 3 halogen or C3-s cycloalkyl) and the formula -N(R5a)R5b (wherein R5a and R5b each independently represent hydrogen or C1-6 alkyl) ; A compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein Ar is phenyl or pyridyl, and Ar may optionally have 1 to 3 groups selected from Substituent Group B in ;
a compound according to or , a salt of the compound or a hydrate of the foregoing, wherein Substituent Group B is the group consisting of halogen, cyano, C1-6 alkyl optionally substituted with 1 to 3 halogen, C3_8 cycloalkyl, dimethylamino and C1-6 alkoxy optionally substituted with 1 to 3 halogen; a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein Ar is the formula:


(wherein R40 and R41 each independently represent methoxy, ethoxy, ethyl, methyl, dimethylamino or halogen, R42 represents hydrogen, methoxy, methyl, dimethylamino or halogen, and Z1 and Z2 each independently represent methine or nitrogen);
a compound according to , a salt of the compound or a hydrate of the foregoing, wherein Z1 and Z2 are methine;
a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein X5 is a single bond, and X6 is a single bond, C1-6 alkylene optionally having 1 to 3 groups selected from Substituent Group A, C2-6 alkenylene optionally having 1 to 3 groups selected from Substituent Group A or C2-e alkynylene optionally having 1 to 3 groups selected from Substituent Group A.
a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein X5 is a single bond, and X6 is a single bond or C1-6 alkylene optionally having 1 to 3 groups selected from Substituent Group C below;

The group consisting of halogen, hydroxyl, C1-6 alkoxy,
nitrile, C3-8 cycloalkyl, and C1-6 alkyl; a compound according to any one of to , a
salt of the compound or a hydrate of the foregoing,
wherein X5 is a single bond, and X6 is a single bond,
1,2-ethylene or methylene;
a compound according to any one of to , a
salt of the compound or a hydrate of the foregoing, wherein X7 is C3.-10 alkyl optionally having 1 to 3 groups selected from Substituent Group A, C2-10 alkenyl optionally having 1 to 3 groups selected from Substituent Group A, C2-10 alkynyl optionally having 1 to 3 groups selected from Substituent Group A, C3-8 cycloalkyl optionally having 1 to 3 groups selected from Substituent Group A, C5-8 cycloalkenyl optionally having 1 to 3 groups selected from Substituent Group A, C6-i4 aryl optionally having 1 to 3 groups selected from Substituent Group A, a 5- to 14-membered heteroaryl group optionally having 1 to 3 groups selected from Substituent Group A, a 4- to 14-membered heterocyclic group optionally having 1 to 3 groups selected from Substituent Group A or a bicyclic 7- to 12-membered hydrocarbon ring group optionally having 1 to 3 groups selected from Substituent Group A;
a compound according to any one of to , a salt of the compound or a hydrate of the foregoing,,

wherein X7 is C1-i0 alkyl optionally having 1 to 3 groups selected from Substituent Group A, C3-8 cycloalkyl
optionally having 1 to 3 groups selected from
Substituent Group A, a 5- to 6-membered heteroaryl group optionally having 1 to 3 groups selected from Substituent Group A or a 4- to 7-membered heterocyclic group optionally having 1 to 3 groups selected from Substituent Group A;
a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein X7 is C1-10 alkyl optionally having 1 to 3 groups selected from Substituent Group D below, C3_8 cycloalkyl optionally having 1 to 3 groups selected from Substituent Group D below, a 5- to 6-membered heteroaryl group optionally having 1 to 3 groups selected from Substituent Group D below or a 4- to 7-membered heterocyclic group optionally having 1 to 3 groups selected from Substituent Group D below;
The group consisting of halogen, hydroxyl, C1-6 alkoxy, nitrile, C3-8 cycloalkyl, dimethylamino and C1-6 alkyl; a compound according to any one of to , a salt of the compound or a hydrate of the foregoing, wherein X7 is hydrogen, C1-10 alkyl optionally having 1 or 2 groups selected from Substituent Group E below, C3_ s cycloalkyl optionally having 1 or 2 groups selected

from Substituent Group E below, tetrahydrofuranyl optionally having 1 or 2 groups selected from

optionally having 1 or 2 groups selected from Substituent Group E below, dihydropyranyl optionally having 1 or 2 groups selected from Substituent Group E below, tetrahydropyranyl optionally having 1 or 2 groups selected from Substituent Group E below, dioxolanyl optionally having 1 or 2 groups selected from Substituent Group E below, pyrrolidin-2-onyl optionally having 1 or 2 groups selected from Substituent Group E below, dihydrofuran-2-onyl optionally having 1 or 2 groups selected from Substituent Group E below, furanyl optionally having 1 or 2 groups selected from Substituent Group E below, thienyl optionally having 1 'or 2 groups selected from Substituent Group E below, pyrrolidinyl optionally having 1 or 2 groups selected from Substituent Group E below, piperidyl optionally having 1 or 2 groups selected from Substituent Group E below, oxazolyl optionally having 1 or 2 groups selected from Substituent Group E below, isoxazolyl optionally having 1 or 2 groups selected from Substituent Group E below, thiazolyl optionally having 1 or 2 groups selected from Substituent Group E below, pyrrolyl optionally having 1 or 2 groups selected from Substituent . Group E below,

pyrazolyl optionally having 1 or 2 groups selected from Substituent Group E below, morpholinyl optionally

below, dioxanyl optionally having 1 or 2 groups selected from Substituent Group E below or pyridyl optionally having 1 or 2 groups selected from Substituent Group E below;
The group consisting of hydroxyl, methyl, ethyl,
raethoxy, dimethyl amino, cyano, chlorine and fluorine;
a compound according to , a salt of the
compound or a hydrate of the foregoing, wherein
Substituent Group E is the group consisting of methyl,
methoxy, dimethylamino, chlorine and fluorine;
a compound according to any one of to , a
salt of the compound or a hydrate of the foregoing,
wherein X7 is hydrogen, C1-i0 alkyl, C3-8 cycloalkyl,
tetrahydrofuranyl, tetrahydrothiophenyl, dihydropyranyl,
tetrahydropyranyl, dioxolanyl, pyrrolidin-2-onyl,
dihydrofuran-2-onyl, furanyl, thienyl, pyrrolidinyl,
piperidyl, oxazolyl, isoxazolyl, thiazolyl, pyrrolyl,
pyrazolyl, morpholinyl, dioxanyl or pyridyl;
a compound according to any one of to , a
salt of the compound or a hydrate of the foregoing,
wherein X7 is hydrogen, C1-10 alkyl, C3-8 cycloalkyl,
tetrahydrofuranyl, tetrahydrothiophenyl,

tetrahydropyranyl, dioxolanyl, furanyl, thienyl, oxazolyl, dioxanyl, pyridyl, piperidyl or thiazolyl;

[wherein R7a represents hydrogen, nitro, -NO or -NHR7d (wherein R7d represents hydrogen, t-butoxycarbonyl or
benzyloxycarbonyl);
R7c represents methylene, oxygen or sulfur; and
R7b represents hydrogen, halogen, the formula:

(wherein R8a and R8b each independently represent hydrogen or Cis alkyl, or R8a and R8b may bond together to form 1,2-ethylene, 1,3-propylene or 2,3-dimethylbutan-2,3-diyl), the formula:

(wherein R8c, R8d and R8e each independently represent Cx-6 alkyl) or the formula:


(wherein R40 and R41 each independently represent methoxy, ethoxy, ethyl, dimethylamino, methyl or halogen, R42 represents hydrogen, methoxy, methyl or halogen, and Z1 and Z2 each independently represent methine or nitrogen), with the proviso that compounds satisfying the following conditions (1) , (2) or (3) are not included in the above definitions: (1) R7c is oxygen, R7b is hydrogen and R7a is hydrogen,
nitro, -NO or -NH2, (2) R7c is sulfur, R7b is hydrogen
and R7a is nitro or -NH2, or (3) R7c is methylene, R7b is
hydrogen and R7a is -NO],
a salt thereof or a hydrate of the foregoing;
a compound according to , a salt of the
compound or a hydrate of' the foregoing, wherein R7a and
R7b are hydrogen;
a compound according to , a salt of the
compound or a hydrate of the foregoing, wherein R7b is
not hydrogen;
a compound represented by the general formula:


[wherein R5 and R6 have the same definitions as R5 and R6
in , respectively;
Rlc represents methylene, oxygen or sulfur; and
R7e represents halogen, the formula:

(wherein R8a and R8b each independently represent hydrogen or C1-6 alkyl, or R8a and R8b may bond together to form 1,2-ethylene, 1,3-propylene or 2,3-dimethylbutan-2,3-diyl), or the formula:

(wherein R8c, R8d and R8e each independently represent Ci-
6 alkyl)],
a salt thereof or a hydrate of the foregoing;
a Corticotropin-Releasing Factor (CRF) receptor
antagonist comprising a compound according to ;
a Corticotropin-Releasing Factor (CRF)-1 receptor
or Corticotropin-Releasing Factor (CRF)-2 receptor
antagonist comprising a compound according to ;


a therapeutic or prophylactic agent for a disease associated with Corticotropin-Releasing Factor (CRF),
xompirsomg a compound according to
a therapeutic or prophylactic agent for depression, depressive symptom, mania, anxiety, generalized anxiety disorder, panic disorder, phobias, obsessive-compulsive disorder, posttraumatic stress disorder, Tourette's syndrome, autism, affective disorder, dysthymia, bipolar disorder, cyclothymic personality or schizophrenia, comprising a compound according to ; a therapeutic or prophylactic agent for a depressive symptom which is major depression, single-episode depression, recurrent depression, depression-induced child abuse or postpartum depression, comprising a compound according to ;
a therapeutic or prophylactic agent for peptic ulcer, irritable bowel syndrome, ulcerative colitis, Crohn's disease, diarrhea, constipation, postoperative ileus, stress-associated gastrointestinal disorders or nervous vomiting, comprising a compound according to ;
a therapeutic or prophylactic agent for Alzheimer's disease, senile dementia of Alzheimer's type, neurodegenerative disease, multi-infarct dementia, senile dementia, anorexia nervosa, eating disorder, obesity, diabetes, alcohol dependence, pharmacophilia,

drug withdrawal symptoms, alcohol withdrawal symptoms, sleep disorder, insomnia, migraine, stress-induced
headache, muscle contraction induces headache, ischemic
neuronal damage, excitotoxic neuronal damage, stroke, progressive supranuclear palsy, amyotrophic lateral sclerosis, multiple sclerosis, muscular spasm, chronic fatigue syndrome, psychosocial dwarfism, epilepsy, head trauma, spinal cord injury, cheirospasm, spasmodic torticollis, cervicobrachial syndrome, primary glaucoma, Meniere's syndrome, autonomic imbalance, alopecia, neurosis, hypertension, cardiovascular disorder, tachycardia, congestive heart failure, hyperventilation syndrome, bronchial asthma, apneusis, sudden infant death syndrome, inflammatory disorder, pain, allergosis, impotence, menopausal disorder, fertilization disorder, infertility, cancer, HIV infection-induced immune dysfunction, stress-induced immune dysfunction, hemorrhagic stress, Cushing's syndrome, thyroid function disorder, encephalomyelitis, acromegaly, incontinence or osteoporosis, comprising a compound according to ;
the use of a compound according to or a salt thereof for the manufacture of a Corticotropin-Releasing Factor (CRF) receptor antagonist; the use of a compound according to or a salt thereof for the manufacture of a Corticotropin-

Releasing Factor (CRF)-1 receptor antagonist or Corticotropin-Releasing Factor (CRF)-1 receptor
arrtragonist,
the use of a compound according to or a salt thereof for the manufacture of a therapeutic or prophylactic agent for depression, depressive symptom, mania, anxiety, generalized anxiety disorder, panic disorder, phobia, obsessive-compulsive disorder, posttraumatic stress disorder, Tourette's syndrome, autism, affective disorder, dysthymia, bipolar disorder, cyclothymic personality, schizophrenia, peptic ulcer, irritable bowel syndrome, ulcerative colitis, Crohn's disease, diarrhea, constipation, postoperative ileus, stress-associated gastrointestinal disorders or nervous vomiting;
a therapeutic or prophylactic method for a disease associated with Corticotropin-Releasing Factor (CRF) receptor, comprising single or multiple administration of a therapeutically effective dose of a compound according to or a salt thereof to a patient with a disease associated with Corticotropin-Releasing Factor (CRF) receptor. Best Mode for Carrying Out the Invention
The present invention will now be explained in greater detail.

Several of the structural formulas given for compounds throughout the present specification will
represent a specific isomer for ocnveinience, but the
invention is not limited to such specific isomers and encompasses all isomers and isomer mixtures, including geometric isomers, asymmetric carbon-derived optical isomers, stereoisomers and tautomers, implied by the structures of the compounds, of which any isomer or mixture thereof may be used. The compounds of the invention therefore may include those having asymmetric carbons in their molecules and existing as optically active forms or racemic forms, and all such compounds are encompassed by the invention without restrictions. There are also no restrictions on any crystalline polymorphism of the compounds, and any crystal forms may be used alone or in mixtures, while the compounds of the invention also include anhydrides and hydrates. Metabolites of the compounds of the present invention, produced by degradation in the body, are also encompassed by the claims of the invention.
The symbols and terms used throughout the present specification will now be defined, with a more detailed description of the invention.
The term "CRF receptor antagonist" as used throughout the present specification refers to a substance capable of inactivating CRF receptors. $uch

substances also include those capable of attenuating or inhibiting the physiological activity of CRF.

with CRF" or "diseases associated with CRF receptors" according to the present specification there may be mentioned depression and depressive symptoms (major depression, single-episode depression, recurrent depression, depression-induced child abuse, postpartum depression, etc.), mania, anxiety, generalized anxiety disorder, panic disorder, phobias, obsessive-compulsive disorder, posttraumatic stress disorder, Tourette's syndrome, autism, affective disorder, dysthymia, bipolar disorder, cyclothymic personality, schizophrenia, peptic ulcer, irritable bowel syndrome, ulcerative colitis, Crohn's disease, diarrhea, constipation, postoperative ileus, stress-associated gastrointestinal disorders, nervous vomiting, Alzheimer's disease, senile dementia of Alzheimer's type, neurodegenerative . disease, multi-infarct dementia, senile dementia, anorexia nervosa, eating disorder, obesity, diabetes, alcohol dependence, pharmacophilia, drug withdrawal symptoms, alcohol withdrawal symptoms, sleep disorder, insomnia, migraine, stress-induced headache, muscle contraction induced headache, ischemic neuronal damage, excitotoxic neuronal damage, stroke, progressive supranuclear

palsy, amyotrophic lateral sclerosis, multiple sclerosis, muscular spasm, chronic fatigue syndrome,
cord injury, cheirospasm, spasmodic torticollis,
cervicobrachial syndrome, primary glaucoma, Meniere's
syndrome, autonomic imbalance, alopecia, neurosis,
hypertension, cardiovascular disorder, tachycardia,
congestive heart failure, hyperventilation syndrome,
bronchial asthma, apneusis, sudden infant death
syndrome, inflammatory disorder, pain, allergosis,
impotence, menopausal disorder, fertilization disorder,
infertility, cancer, HIV infection-related immune
dysfunction, stress-induced immune dysfunction,
hemorrhagic stress, Cushing's syndrome, thyroid
function disorder, encephalomyelitis, acromegaly,
incontinence, osteoporosis, and the like. The
compounds of the invention are effective for treatment
or prevention of the aforementioned diseases.
The term "neurodegenerative disease" as used throughout the present specification refers to either acute degenerative disease or chronic degenerative disease, and specifically it includes, for example, neuropathies such as subarachnoid hemorrhage, acute stage cerebrovascular disorder, etc. and Alzheimer's disease, Parkinson's disease, Huntington's chorea, amyotrophic lateral sclerosis,- spinocerebellar

degeneration, etc. The term "eating disorder" as used throughout the present specification refers to

"cardiovascular disorder" as used throughout the present specification refers to angina pectoris nervosa and the like. The term "inflammatory disorder" as used throughout the present specification refers to, for example, rheumatic arthritis, osteoarthritis, lumbago and the like, and the term "allergosis" refers to, for example, atopic dermatitis, eczema, hives, psoriasis and the like.
Throughout the present specification, " n-" signifies "normal", "sec-" signifies "secondary" and "tert-" and "t-" both signify "tertiary".
Halogen as used throughout the present specification refers to fluorine, chlorine, bromine, iodine and the like, with fluorine, chlorine or bromine being preferred.
The terms "C1-6 alkyl" and "C1-10 alkyl" used throughout the present specification refer respectively to a linear or branched alkyl group of 1 to 6 carbons and a linear or branched alkyl group of 1 to 10 carbons, and are preferably methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, sec-butyl, tert-butyl, n-pentyl, 1,1-dimethylpropyl, 1,2-dimethylpropyl, 2,2-dimethylpropyl, 1-ethylpropyl, 2-ethylpropyl, n-hexyl,

l-methyl-2-ethylpropyl, l-ethyl-2-methylpropyl, 1,1,2-trimethylpropyl, 1-propylpropyl, 1-methylbutyl, 2-
dimethylbutyl, 1,3-dimethylbutyl, 2,3-dimethylbutyl, 2-ethylbutyl, 2-methylpentyl, 3-methylpentyl, or the like, more preferably methyl, ethyl, n-propyl, iso-propyl or tert-butyl, and even more preferably methyl, ethyl or iso-propyl.
The terms "C2-6 alkenyl" and "C2-10 alkenyl" used throughout the present specification refer respectively to a linear or branched alkenyl group of 2 to 6 carbons and a linear or branched alkenyl group of 2 to 10 carbons, and preferred examples of such groups include vinyl, allyl, 1-propenyl, 2-propenyl, isopropenyl, 2-methyl-1-propenyl, 3-methyl-l-propenyl, 2-methyl-2-propenyl, 3-methyl-2-propenyl, 1-butenyl, 2-butenyl, 3-butenyl, 1-pentenyl, 1-hexenyl, 1,3-hexanedienyl and 1,6-hexanedienyl.
The terms "C2-6 alkynyl" and "C2-10 alkynyl" used throughout the present specification refer respectively to an alkynyl group of 2 to 6 carbons and an alkynyl group of 2 to 10 carbons, and preferred examples of such groups include ethynyl, 1-propynyl, 2-propynyl, 1-butynyl, 2-butynyl, 3-butynyl, 3-methyl-l-propynyl, 1-ethynyl-2propynyl, 2-methyl-3-propynyl, 1-pentynyl, 1-hexynyl, 1,3-hexanediynyl and 1,6-hexanediynyl.

The term "C1-6 alkylene" used throughout the present specification refers to a divalent group
derived by removing another hydrogen from any desired
position of the aforementioned "C1-6 alkyl", and as
specific examples there may be mentioned methylene,
ethylene, methylethylene, propylene, ethylethylene,
1,1-dimethylethylene, 1, 2-dimethylethylene,
trimethylene, 1-methyltrimethylene, 1-ethyltrimethylene,
2-methyltrimethylene, 1,1-dimethyltrimethylene,
tetramethylene, pentaiuethylene and hexamethylene, preferably methylene and 1,2-ethylene, and more preferably methylene.
The term "C2-6 alkenylene" used through the present specification refers to a divalent group derived by removing another hydrogen from the aforementioned "C2-6 alkenyl", and as specific examples there may be mentioned vinylene, propenylene, butenylene, pentenylene and hexenylene, preferably vinylene, propenylene, butenylene, pentenylene, even more preferably vinylene, propenylene and butenylene, and even more preferably 1,2-vinylene and 1,3-propenylene.
The term "C2-6 alkynylene" used throughout the present specification refers to a monovalent group derived by removing another hydrogen from the aforementioned "C2-6 alkynylene", and as specific

examples there may be mentioned ethynylene, propynylene, butynylene, pentynylene and hexynylene, preferably

more preferably ethynylene, propynylene and butynylene, even more preferably ethynylene and propynylene, and most preferably ethynylene.
The term "C3_8 cycloalkyl" used throughout the present specification refers to a cyclic aliphatic hydrocarbon group of 3 to 8 carbons, and as examples there may be mentioned cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, cycloheptyl and cyclooctyl, preferably cyclopropyl, cyclobutyl and cyclopentyl, and more preferably cyclopropyl.
The term "C5_8 cycloalkenyl" used throughout the present specification refers to a cycloalkenyl group composed of 5 to 8 carbons, and as examples there may be mentioned cyclopenten-3-yl, cyclohexen-1-yl and cyclohexen-3-yl.
The terms "C1-6 alkoxy" and "C1-i0 alkoxy" used throughout the present specification refer respectively to an oxy group bonded with the aforementioned "C2-6 alkyl" and an oxy group bonded with the aforementioned "C1-10 alkyl", and as examples there may be mentioned methoxy, ethoxy, n-propoxy, iso-propoxy, sec-propoxy, n-butoxy, iso-butoxy, sec-butoxy, tert-butoxy, n-pentyloxy, iso-pentyloxy, sec-pentyloxy, n-hexoxy, iso-

hexoxy, 1,1-dimethylpropyloxy, 1,2-dimethylpropoxy, 2,2-dimethylpropyloxy, 2-ethylpropoxy, l-methyl-2-
trimethylpropoxy, 1,1,2-trimethylpropoxy, 1,1-dimethylbutoxy, 1,2-dimethylbutoxy, 2,2-dimethylbutoxy, 2,3-dimethylbutyloxy, 1,3-dimethylbutyloxy, 2-ethylbutoxy, 1,3-dimethylbutoxy, 2-itiethylpentoxy, 3-raethylpentoxy and hexyloxy, preferably methoxy, ethoxy, n-propoxy, iso-propoxy, sec-propoxy, n-butoxy, iso-butoxy, sec-butoxy and tert-butoxy, and more preferably methoxy.
The terms "C1-6 alkylthio" and "C1-10 alkylthio" used throughout the present specification refer respectively to a thio group bonded with the aforementioned "C1-6 alkyl" and a thio group bonded with the aforementioned "Ci-10 alkyl", and as examples there may be mentioned methylthio, ethylthio, n-propylthio, iso-propylthio, n-butylthio, iso-butylthio, sec-butylthio, tert-butylthio, n-pentylthio, 1,1-dimethylpropylthio, 1,2-dimethylpropylthio, 2,2-dimethylpropylthio, 1-ethylpropylthio, 2-ethylpropylthio, n-hexyl, l-methyl-2-ethylpropylthio, l-ethyl-2-methylpropylthio, 1,1,2-trimethylpropylthio, 1-propylpropylthio, ' 1-methylbutylthio, 2-methylbutylthio, 1,1-dimethylbutylthio, 1,2-dimethylbutylthio, 2, 2-dimethy,lbutylthio, 1,3-

dime thylbutylthio, 2,3-dimethylbutylthio, 2-ethylbutylthio, 2-methylpentylthio and 3-

The* term "C1-6 alkylsulfinyl" used throughout the present specification refers to a sulfinyl group bonded with the aforementioned "C1-6 alkyl", and as examples there may be mentioned methylsulfinyl, ethylsulfinyl, n-propylsulfinyl and iso-propylsulfinyl.
The term "C1-6 alkylsulfonyl" used throughout the present specification refers to a sulfonyl group bonded with the aforementioned "C1-6 alkyl", and as examples there may be mentioned methylsulfonyl, ethylsulfonyl, n-propylsulfonyl and iso-propylsulfonyl.
The term "C6-14 aryl" used throughout the present specification refers to an aromatic hydrocarbon ring group of 6 to 14 carbons, which may be a monocyclic, bicyclic or tricyclic fused ring. As preferred examples of such groups there may be mentioned phenyl, indenyl, 1-naphthyl, 2-naphthyl, azulenyl, heptalenyl, biphenyl, indacenyl, acenaphthyl, fluorenyl, phenalenyl, phenanthrenyl, anthracenyl, cyclopentacyclooctenyl and benzocyclooctenyl, preferably phenyl, 1-naphthyl or 2-naphthyl, and more preferably phenyl.
The term "5- to 14-membered heteroaryl group" used throughout the present specification refers to a 5- to 14-membered aromatic heterocycle group, which is

monocyclic, bicyclic or tricyclic group containing at least one hetero atom selected from N, O and S, . As

nitrogen-containing heteroaryl groups such as pyrrolyl,
pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, triazolyl,'
tetrazolyl, benzotriazolyl, pyrazolyl, imidazolyl,
benzimidazolyl, indolyl, isoindolyl, indolidinyl,
purinyl, indazolyl, quinolyl, isoquinolyl, quinolidyl,
phthalazyl, naphthylidinyl, quinoxalyl, quinazolinyl,
cinnolinyl, pteridinyl, imidazotriazinyl,
pyrazinopyridazinyl, acridinyl, phenanthridinyl,
carbazolyl, carbazolinyl, pyrimidinyl, phenanthrolinyl,
phenazinyl, imidazopyridinyl, imidazopyrimidinyl,
pyrazolopyridinyl, and pyrazolopyridinyl; sulfur-
containing heteroaryl groups such as thienyl and
benzothienyl; oxygen-containing heteroaryl groups such
as furyl, pyranyl, cyclopentapyranyl, benzofuryl and
isobenzofuryl; and heteroaryl groups containing two or
more different hetero atoms, such as thiazolyl,
isothiazolyl, benzothiazolyl, benzothiadiazolyl,
phenothiazinyl, isoxazolyl, furazanyl, phenoxazinyl,
oxazolyl, isoxazoyl, benzoxazolyl, oxadiazolyl,
pyrazoloxazolyl, imidazothiazolyl, thienofuranyl,
furopyrrolyl, pyridoxazinyl and
benzo [1,2,5] thiadiazolyl..
The "5- to 14-membered heteroaryl group" is

preferably pyrrolyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, triazolyl, tetrazolyl, pyrazolyl, imidazolyl,

thiazolyl, isothiazolyl, oxazolyl, isoxazolyl or oxadiazolyl, and more preferably pyridyl, thienyl, furyl, thiazolyl or oxazolyl.
The term "5- to 6-membered heteroaryl group" used throughout the present specification refers to a 5- to 6-membered heteroaryl group among the aforementioned 5-to 14-membered heteroaryl group, and as specific examples there may be mentioned pyrrolyl, pyridyl, pyridazinyl, pyrimidinyl, pyrazinyl, triazolyl, tetrazolyl, pyrazolyl, imidazolyl, thienyl, furyl, thiazolyl, isothiazolyl, oxazolyl, isoxazolyl and oxadiazolyl, and more preferably pyridyl, thienyl, furyl, thiazolyl or oxazolyl.
The term "9- to 11-membered benzene fused ring group" used throughout the present specification refers to a bicyclic' group comprising a non-aromatic ring fused with a benzene ring, and having 9 to 11 atoms composing the ring of the ring group. The "9- to 11-membered benzene fused ring" of a "9- to 11-membered benzene fused ring group" is a ring represented by the following formula:


(wherein Y1, Y2, Y3, Y4 and Y5 represent carbonyl, oxygen, sulfur, methylene or the formula -NR31- (wherein R31 represents hydrogen or C1-6 alkyl) , and such a "9- to 11-membered benzene fused ring" is preferably a ring represented by the formula:

(wherein Y1, Y2, Y3 and Y4 have the same definitions as above), more preferably a ring represented by the formulas:

and ' even more preferably a ring represented by the


The term "9- to 11-membered benzene fused ring group" refers to a monovalent group derived by removing a hydrogen atom from any desired position of the "9- to 11-membered benzene fused ring".
The term "8- to 11-membered heteroaryl fused ring group" used throughout the present specification refers to a bicyclic group comprising a non-aromatic ring fused with "5- to 6-membered aromatic heterocycle" such as pyridine, thiophene or furan, and having 8 to 11 atoms composing the ring of the ring group.
The term "monocyclic 4- to 8-membered non-aromatic heterocyclic group" used throughout the present specification refers to: [1] a monocyclic non-aromatic cyclic group, [2] having 4 to 8 atoms in the ring of the cyclic group, [3] containing 1 or 2 hetero atoms among the atoms of the ring of the cyclic group,
[4] optionally including 1 or 2 double bonds in the ring, and [5] optionally including 1 to 3 carbonyl in the ring.
As specific examples of the "monocyclic 4- to 8-membered non-aromatic heterocycle" of a "monocyclic 4-to 8-membered non-aromatic heterocyclic group" there

may be mentioned pyrrolidine, piperidine, azepane,
pyridone, pyrazinone, tetrahydrofuran,
thiomorpholine, piperazine, thiazolidine, dioxane, imidazoline, thiazoline, azetidine, oxetane, thietane, dioxolane, piperidin-4-one, piperidin-3-one, piperidin-2-one, pyrrolidin-2-one, tetrahydrofuran-2-one and 3,4-dihydro-2H-pyran.
A "monocyclic 4- to 8-membered non-aromatic heterocyclic group" is a monovalent group derived by removing a hydrogen atom from any desired position of a "monocyclic 4- to 8-membered non-aromatic heterocycle".
The term "bicyclic 7- to 12-membered hydrocarbon ring" used throughout the present specification refers to a bicyclic hydrocarbon ring having 7 to 12 carbon atoms in the ring.
Specifically, it refers to [1] a hydrocarbon ring represented by the formula:

(wherein Mla, M2a and M3a each independently represent the formula -(CH2)mi_ (wherein ml is an integer of 0-2), with the proviso that Mla, M2a and M3a are not all -
(CH2)0-),

[2] a hydrocarbon ring represented by the formula:

(wherein M6a represents the formula -(CH2)m3- (wherein m3
is an integer of 0-3)), or
[3] a hydrocarbon ring represented by the formula:

(wherein M*3 and M5a each independently represent the
formula -(CH2)m2- (wherein m2 is an integer of 0-3)).
As specific examples of the "bicyclic 7- to 12-membered
hydrocarbon ring" there may be mentioned
bicyclo[3.1.0]hexane, bicyclo[4.1.0]heptane,
spiro[2.4]heptane, spiro[2.5]octane,
bicyclo[4.4.0]decane(decahydro-naphthalene), octahydro-
indene(bicyclo[4.3.0]nonane), bicyclo[3.3.1]nonane,
bicyclo[3.2.1]octane, spiro[4.5]decane,
spiro[3.5]nonane, norbornane, adamantane,
bicyclo [1.1.0]butane, spiro[2.2]pentane,
bicyclo[2 .1.0]pentane, bicyclo[3.1.0]hexane,
bicyclo [4 .1.0]heptane, nortricyclane, quadricyclane,
bicyclo [3. 3.0]octane, bicyclo[2.2.2]octane,
perhydroquinacene,' bicyclo [3 . 3 . 3] undecane and

perhydroanthracene.
The "bicyclic 7- to 12-membered hydrocarbon

naphthalene), octahydro-indene(bicyclo[4.3.0]nonane),
bicyclo[3.3.l]nonane, bicyclo[3.2.1]octane,
spiro[5.4]decane or spiro[3.5]nonane, and more preferably bicyclo[4.4.0]decane(decahydro-naphthalene) or octahydro-indene(bicyclo[4.3.0]nonane).
The term "bicyclic 7- to 12-membered hydrocarbon ring group" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of the aforementioned "bicyclic 7- to 12-membered hydrocarbon cycle".
The term "bicyclic 7- to 12-membered non-aromatic heterocyclic group" used throughout the present specification refers to
[1] a bicyclic non-aromatic cyclic group, [2] having 7 to 12 atoms in the ring of the cyclic group,
[3] containing 1 to 3 hetero atoms among the atoms of the ring of the cyclic group,
[4] optionally including 1 to 3 double bonds in the ring, and [5] optionally including 1 to 3 carbonyl in the ring.
That is, a "bicyclic 7- to 12-membe.red non-

aromatic heterocyclic group" is a monovalent derived
from the aforementioned "bicyclic 7- to 12-membered

or methylene in the ring with oxygen, sulfur, nitrogen
or -NH-, and then [2] removing a hydrogen atom at any
desired position of the ring.
The term "4- to 14-membered heterocyclic group"
used throughout the present specification has 4 to 14
members and refers to
[1] a monocyclic, bicyclic or tricyclic heterocyclic
group,
[2] having 4 to 14 atoms in the ring of the cyclic
group,
[3] containing 1 to 3 hetero atoms among the atoms of
the ring of the cyclic group,
[4] optionally including 1 to 3 double bonds in the
ring, and
[5] optionally including 1 to 3 carbonyl in the ring.
Specifically, for. example, it refers the aforementioned "monocyclic 4- to 8-membered non-aromatic heterocyclic group" or "bicyclic 7- to 12-membered non-aromatic heterocyclic group" .
The "4- to 14-membered heterocyclic group" is preferably a "4- to 7-membered heterocyclic group" as defined below, and more preferably there may be mentioned tetrahydrofuranyl, tetrahydrothiophenyl,

tetrahydropyranyl, dioxoranyl, pyrrolidin-2-onyl, dihydrofuran-2-onyl and piperidinyl.

used throughout the present specification refers to 4-to 7-raembered heterocyclic groups among the groups referred by "4- to 14-membered heterocyclic group" as defined above. Specifically, it refers to a monovalent group derived by removing a hydrogen atom from any desired position of a ring represented by, for example, the formula:

(wherein X10 represents sulfur, oxygen or -NX12 (wherein
X12 represents hydrogen or C1-6 alkyl) , X11 represents
methylene, sulfur, oxygen or -NX13 (wherein X13
represents hydrogen or C1-6 alkyl) , and s represents an
integer of 1-3) , and preferably there may be mentioned
tetrahydrofuranyl, tetrahydrothiophenyl,
tetrahydropyranyl, dioxoranyl, pyrrolidin-2-onyl, dihydrofuran-2-onyl and piperidinyl. The term "tetrahydrofuranyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a tetrahydrofuran ring, and specifically there may be

mentioned tetrahydrofuran-2-yl and tetrahydrofuran-3-yl. The term "tetrahydrothiophenyl" used throughout
derived by removing a hydrogen atom from any desired position of . a tetrahydrothiophene ring, and specifically there may be mentioned tetrahydrothiophen-2-yl and tetrahydrothiophen-3-yl.
The term "tetrahydropyranyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a tetrahydropyran ring, and specifically there may be mentioned tetrahydropyran-2-yl, tetrahydropyran-3-yl and tetrahydropyran-4-yl.
The term "dioxolanyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a dioxolane ring, and specifically there may be mentioned dioxolan-2-yl and dioxolan-4-yl.
The term "pyrrolidin-2-onyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a pyrrolidin-2-one ring, and specifically there may be mentioned pyrrolidin-2-on-l-yl, pyrrolidin-2-on-3-yl, pyrrolidin-2-on-4-yl and pyrrolidin-2-on-5-yl.
The term "furanyl" used throughout the present

specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a

furanyl and 3-furanyl.
The term "thienyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a thiophene ring, and specifically there may be mentioned 2-thienyl and 3-thienyl.
The term "pyrrolidinyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a pyrrolidine ring, and specifically there may be mentioned 1-pyrrolidinyl, 2-pyrrolidinyl and 3-pyrrolidinyl.
The term "piperidyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a piperidine ring, and specifically there may be mentioned 1-pyrrolidinyl, 2-pyrrolidinyl and 3-pyrrolidinyl.
The term "oxazolyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of an oxazole ring, and specifically there may be mentioned 2-oxazolyl, 4-oxazolyl and 5-oxazolyl.

The term "isoxazolyl" used throughout the present specification refers to a monovalent group derived by
an isaxazole ring, and specifically there may be mentioned 3-isoxazolyl, 4-isoxazolyl and 5-isoxazolyl.
The term "thiazolyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a thiazole ring, and specifically there may be mentioned 2-thiazolyl, 4-thiazolyl and 5-thiazolyl.
The term "pyrrolyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a pyrrole ring, and specifically there may be mentioned 1-pyrrolyl, 2-pyrrolyl and 3-pyrrolyl.
The term "pyrazolyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a pyrazole ring, and specifically there may be mentioned 1-pyrazolyl, 3-pyrazolyl, 4-pyrazolyl and 5-pyrazolyl.
The term "morpholinyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a morpholine ring, and 'specifically there may be mentioned 4-morpholinyl, 2-morpholinyl and 3-morpholinyl.

The term "pyridyl" used throughout the present specification refers to a monovalent group derived by

pyridine ring, and specifically there may be mentioned 2-pyridyl, 3-pyridyl and 4-pyridyl.
The term "dioxanyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a 1,3-dioxane ring or 1,4-dioxane ring, and specifically there may be mentioned 1,3-dioxan-2-yl, 1,3-dioxan-4-yl, 1,3-dioxan-5-yl and 1,4-dioxan-2-yl.
The term "dihydropyranyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a 3,4-dihydro-2H-pyran ring or 3, 6-dihydro-2H-pyran ring, and specifically there may be mentioned 3,4-dihydro-2H-pyran-2-yl, 3, 4-dihydro-2H-pyran-3-yl, 3, 4-dihydro-2H-pyran-4-yl, 3, 4-dihydro-2H-pyran-5-yl, 3, 4-dihydro-2H-pyran~6-yl, 3, 6-dihydro-2H-pyran-2-yl, 3, 6-dihydro-2H-pyran-3-yl, 3, 6-dihydro-2H-pyran-4-yl, 3, 6-dihydro-2H-pyran-5-yl and 3, 6-dihydro-2H-pyran-6-yl. The term "dihydrofuran-2-onyl" used throughout the present specification refers to a monovalent group derived by removing a hydrogen atom from any desired position of a dihydrofuran-2-one ring, and specifically there may be mentioned dihydrofuran-2-on-3-yl,

dihydrofuran-2-on-4-yl and dihydrofuran-2-on-5-yl.
A compound of general formula (I) above wherein
7-membered ring optionally containing 1 to 4 hetero atoms in the ring and optionally containing carbonyl in the ring" is a compound in which the pyrazolo[1, 5-a]pyridine in general formula (I) is fused with M1 at the bonding positions of R2 and R3, as represented by the formula:

(wherein R1, R4, R5, R6 and Ar have the same definitions as above, ring M1 is a 5- to 7-membered ring optionally having 1 to 4 hetero atoms and optionally having carbonyl in the ring, and ring M1 also optionally has a substituent selected from Substituent Group A above), or a compound in which the pyrazolo[1,5-a]pyridine in general formula (I) is fused with M1 at the bonding positions of R4 and R3, as represented by the formula:


(wherein R1, R2, R5, R6 and Ar have the same definitions as above, ring M1 is a 5- to 7-membered ring optionally having 1 to 4 hetero atoms and optionally having a carbonyl group in the ring, and ring M1 also optionally has a substituent selected from Substituent Group A above).
As rings for "ring M1" there may be mentioned as preferable pyridine optionally having a substituent selected from Substituent Group A, benzene optionally having a substituent selected from Substituent Group A, thiophene optionally having a substituent selected from Substituent Group A, cyclohexane optionally having a substituent selected from Substituent Group A, pyridine optionally having a substituent selected from Substituent Group A and piperidin-2-one optionally having a substituent selected from Substituent Group A.
A compound of general formula (I) above wherein "R5 and R6 may bond together to form a 5- to 10-membered ring optionally containing 1 to 4 hetero atoms in the

ring and optionally containing carbonyl in the ring" is a compound wherein R5 and R6 in formula (I) bond

(wherein R1, R2, R3, R4 and Ar have the same definitions as above, ring M2 is a 5- to 10-meitibered ring optionally having 1 to 4 hetero atoms and optionally having carbonyl in the ring, and ring M2 also optionally has a substituent selected from Substituent Group A above.
As rings for "ring M2" there may be mentioned as preferable "5- to 14-membered heteroaryl group" optionally having a substituent selected from Substituent Group A, "4- to 14-membered heterocyclic group" optionally having a substituent selected from Substituent Group A, "9- to 11-membered benzene fused ring group" optionally having a substituent selected from Substituent Group A, and "8- to 11-membered heteroaryl fused ring group" optionally having a substituent selected from Substituent Group A.
A compound of general formula (I) above wherein

"Rs and R2 may bond together to form a 6- to 7-membered ring optionally containing 1 or 2 hetero atoms in the
a compound wherein R6 and R2 bond together as M3 to form a ring, as represented by the formula:
F R1
(wherein R1, R3, R4, R5 and Ar have the same definitions as above, and M3 represents optionally substituted 1,2-ethylene, optionally substituted 1,3-propylene, optionally substituted 1,2-vinylene or optionally substituted amide.
The term "salt" used throughout the present specification is not particularly restricted so long as it is a salt formed with a compound of the present invention and is pharmacologically acceptable, and as preferred salts there may be mentioned hydrogen halide acid salt (for example, hydrofluoride, hydrochloride, hydrobromide and hydroiodide) , inorganic acid salt (for example, sulfate, nitrate, perchlorate, phosphate, carbonate and bicarbonate), organic carboxylate (for example, acetate, trifluoroacetate, oxalate, maleate,

tartarate, fumarate and citrate), organic sulfonate
(for example, methanesulfonate,

benzenesulfonate, toluenesulfonate and
camphorsulfonate), amino acid salt (for example, aspartate and glutamate), quaternary amine salt, alkali metal salt (for example, sodium salt and potassium salt) or alkaline earth metal salt (for example, magnesium salt and calcium salt), and more preferred as "pharmacologically acceptable salt" are hydrochloride, oxalate, trifluoroacetate and the like.
Representative production schemes ' for compounds
represented by formula (I) above according to the
invention will now be presented. In the following
production schemes, R1, R2, R3, R4, R5, R6, R8a, R8b, R8c,
R8d and Ar have the same respective definitions given
above, X represents halogen (for example, fluorine,
chlorine, bromine or iodine), and XBS represents boron
substituted with ORBa and 0R8b or tin substituted with
R8c, R8d and R8e. Y represents NRy, 0, S(O)n, and A
represents NO or N02. A group represented by ProtN is
an amino protecting group, and a group represented by
Prot0 is a hydroxyl protecting group. Ax represents Ar
or X [where Ar and X have the same respective
definitions as given above], an Ar ring has the same
definition for Ar given above, a Het ring represents an,

optionally substituted 5- to 14-membered heteroaryl or 9- to 11-meitibered benzene fused ring group, and Rlc and

alkenyl, C2-6 alkynyl, C3-8 cycloalkyl or the like. Rca represents optionally substituted C1-6 alkyl or the like, and Lev represents a leaving group such as halogen or trif luoromethanesulfonyl. Rar and Rhet each represent cyano, C1-6 alkyl, C2-6 alkenyl, C2_e alkynyl, halogenated C1-6 alkyl, C1-6 alkoxy, halogenated C1-6 alkoxy, C2_6 alkenyloxy, C2-6 alkynyloxy, or the like. Rrr represents cyano, C1-6 alkoxy, optionally substituted aryl or optionally substituted 5- to 14-membered heteroaryl, and RX1 represents C1-6 alkyl, C2-6 alkenyl, C2-6 alkynyl, halogenated C1-6 alkyl, benzyl, a substituent serving as a protective group for a Y atom such as Boc, or the like. Ry and R60 each represent a substituent selected from Substituent Group A, n represents an integer of 0-2 and m represents an integer of 0-6. The term "room temperature" used below refers to a range of 0-40°C.

Step A: A halogenated compound (1) may be reacted in the presence of a catalyst such as a palladium catalyst or copper •(!) iodide, in the presence of an acetylene

derivative and a base and in an inert solvent at 0-250°C, to obtain an acetylene derivative (2). The
solvents used will differ depending on the starting
material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned benzene, toluene, xylene, anisole, N, N-dimethylformamide, 1,2-dimethoxyethane, tetrahydrofuran, dioxane, n-butanol, ethanol, methanol, l-methyl-2-pyrrolidinone, water or mixtures thereof. The base used will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, and as preferred bases there may be mentioned potassium carbonate, sodium carbonate, cesium fluoride, potassium fluoride, sodium hydrogencarbonate, triethylamine and diethylamine. These bases may also be used as solvents. When a palladium or nickel metal complex is used, its use will also differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but Pd(PPh3)4, Pd (OAc) 2/PPh3, PdCl2, PdCl2 (dppf) , Ni(dpp)2Cl2 and the like are preferred. Step B: The acetylene compound (2) may be treated with an W-amination agent (for example, hydroxylamine-O-sulfonic acid or O-mesitylenesulfonylhydroxylamine) in

a solvent (for example, ethyl acetate, tetrahydrofuran, diethyl ether, dichloromethane, 1,2-dimethoxyethane,
water, ot the like) at a temperature of between
and room temperature to obtain an N-aminopyridinium salt, and this may be reacted in the presence of a base at a temperature of between 0°C and 250°C to obtain a closed ring compound (3) . The solvent used will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned benzene, toluene, xylene, anisole, N, N-dimethylformamide, 1,2-dimethoxyethane, tetrahydrofuran, dioxane, n-butanol, ethanol, methanol and l-methyl-2-pyrrolidinone. The base used will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but as preferred bases there may be mentioned potassium carbonate, sodium carbonate, cesium fluoride, potassium fluoride, sodium hydrogencarbonate, triethylamine, sodium methoxide, sodium ethoxide, sodium tert-butoxide and potassium tert-butoxide.


Step A: The' pyrazolo[1,5-a]pyridine derivative (3) obtained in Production Scheme 1 may be treated with an alkyllithium reagent (for example, n-butyllithium, sec-butyllithium or tert-butyllithium) in an inert solvent at a temperature of between -7 8°C and room temperature and then reacted with a halogenating agent to obtain a 7-halogenated compound (4) . The halogenating agent used will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned bromine, iodine, N-chlorosuccinimide, N-bromosuccinimide, N-iodosuccinimide, hexachloroethane, 1,2-dibromoethane,

1,2-dibromo-l,1,2,2-tetrachloroethane and 1,2-diiodoethane. The solvent used will differ depending

particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned hexane, pentane, tetrahydrofuran and diethyl ether. Step B: The halogenated compound (4) may be reacted with a heteroaryl-boric acid or aryl-boric acid compound or an aryl-metal compound (for example, a heteroaryl-tin compound or aryl-tin compound) and a palladium or nickel complex, at a temperature of between 0°C and 250°C, to obtain an aryl- or heteroaryl-substituted derivative (5). The solvent used will differ depending on the starting material, reagents, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned benzene, toluene, xylene, mesitylene, anisole, N, N-dimethylformamide, 1,2-dimethoxyethane, tetrahydrofuran, 1,4-dioxane, n-butanol, ethanol, methanol, l-methyl-2-pyrrolidinone, water and mixtures thereof. The base used will differ depending on the starting material, solvent,' etc. and is not particularly restricted so long as it does not inhibit the reaction, but as preferred bases there may

be mentioned potassium carbonate, sodium carbonate, barium hydroxide, cesium fluoride, potassium fluoride,

palladium or nickel complex is used, its use will also differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but Pd(PPh3)4, Pd (OAc) 2/PPh3, PdCl2, PdCl2(dppf), Ni(dpp)2Cl2 and the like are preferred.
Step C: The pyrazolo[1,5-a]pyridine derivative (5) may be reacted with a nitrating agent either in a solvent or without a solvent, to obtain a 3-nitro-pyrazolo[1,5-a]pyridine derivative (6). The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned acetic anhydride, acetic acid, sulfuric acid, trifluoroacetic anhydride, trifluoroacetic acid, acetonitrile, 1,2-dimethoxyethane and tetrahydrofuran. The nitrating. agent used will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned copper nitrate trihydrate, nitric acid, fuming nitric acid, sodium nitrate, BF4NO2, NH4+NO3~, and the like.

The reaction temperature will normally be from -50°C to 200°C.
Slternatively, the pyrazolo[1,5-a]pyridine
derivative (5) may be reacted with a nitrosating agent to obtain a 3-nitroso-pyrazolo[1,5-a]pyridine derivative (6) . This reaction may also be conducted either without a solvent or with a solvent, in which case the solvent will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned solvents such as acetic anhydride, acetic acid, hydrochloric acid, sulfuric acid, trifluoroacetic anhydride, trifluoroacetic acid, acetonitrile, 1,2-dimethoxyethane and the like, or their mixtures with water or ethanol. The nitrosating agent used will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned sodium nitrite, BF4NO and the like. The reaction temperature will normally be from -20°C to 200°C. Step D: The nitro derivative or nitroso derivative (6) may be reacted with a metal (powder) either in the presence or in the absence of an acid and either in a solvent or without a solvent, to obtain a 3-

aminopyrazolo[1,5-a]pyridine derivative (7). The reaction temperature will normally be from -10°C to

starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned acetic acid, hydrochloric acid, sulfuric acid and the like. The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned methanol, ethanol, n-butanol, water and the like, either alone or mixture thereof. The metal (powder) used may be Zn, Fe, SnCl2, NiCl2 or the like.
As an alternative method, the nitro or nitroso derivative (6) may be subjected to hydrogenation reaction under a hydrogen atmosphere to obtain a 3-amino-pyrazolo [l,.5-a]pyridine derivative (7). The hydrogen pressure will normally be from 1 to 100 atmospheres, and the reaction temperature from 0-200°C. The reaction may be conducted either without a solvent or with a solvent, in which case the solvent will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting

material to some extent, but preferably there may be mentioned methanol, ethanol, propanol, butanol,

N, N-dimethylformamide and the like. The reaction may be conducted either in the presence or in the absence of an acid, and using a metal catalyst. The acid and metal catalyst used will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but as preferred acids there may be mentioned acetic acid and hydrochloric acid, while as preferred metal catalysts there may be mentioned Pd-C, Pt02, Pt-C, Raney-Ni and the like. Also, ammonium formate or the like may be heated in a solvent such as methanol to generate hydrogen in the system during the reaction to obtain a 3-aminopyrazolo[1,5-a]pyridine derivative (7) .
Step E: The 3-aminopyrazolo[1,5-a]pyridine derivative (7) may be reacted with a carbonyl derivative (for example, diethylketone) or an aldehyde derivative (for example, propionaldehyde) in the presence of a reducing agent to obtain a pyrazolo[1,5-a]pyridine derivative represented by formula (I) or (I1)- Compound (I) or compound (I') may be obtained depending on the number of moles of the carbonyl derivative. The reaction may be conducted in the presence or in the absence of an

acid, with or without a solvent, and in the presence or in the absence of an inorganic salt. The solvent, if
reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting materials to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, 1,2-dichloroethane, dichloromethane, chloroform, acetonitrile, water and the like, which may be used alone or as mixed solvents. The acid, inorganic salt and reducing agent used will differ depending on the starting material, solvent, etc. and are not particularly restricted so long as they do not inhibit the reaction, but preferably there may be mentioned acetic acid, sulfuric acid and the like as acids, sodium sulfate and the like as inorganic salts, and sodium triacetoxyborohydride, sodium borohydride, sodium cyanoborohydride and the like as reducing agents. The reaction temperature will normally be from -10°C to 150°C.

Step A: The pyrazolo[1,5-a]pyridine derivative (4) may

be subjected to nitration reaction or nitrosation reaction in the same manner as Step C of Production

Step B: The halogenated compound (8) may be subjected to cross-coupling reaction in the same manner as Step B of Production Scheme 2 above, to obtain an aryl- or heteroaryl-substituted derivative (6).

Step A: The 3-amino-pyrazolo[1,5-a]pyridine derivative (7) may be may be subjected to reaction with an amino-protecting reagent (for example, di-tert-butyl dicarbonate) to obtain a 3-aminopyrazolo[1,5-a]pyridine derivative (9) having the 3-position amino group protected with a carbamate group (for example, t-butoxycarbonyl). The reaction may be conducted with or without a solvent, and in the presence or in the absence'of a base. The solvent, if used, will differ

depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not

materials to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, 1,4-dioxane, dichloromethane, 1,2-dichloroethane, chloroform, N,N-dimethylformamide, and the like. The base, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned triethylamine, sodium hydride, potassium carbonate, sodium carbonate, cesium carbonate, sodium hydrogencarbonate, 4- (dimethylamino)pyridine, sodium bis(trimethylsilyl)amide, and the like. The reaction temperature will normally be from -70°C to 150°C. As preferred examples of protecting groups ("ProtN" in this scheme) there may be mentioned, in addition to Boc, also 9-fluorenylmethoxycarbonyl (Fmoc), 2,2,2-trichloroethoxycarbonyl (Troc), and the like, in which case the amino group is protected using a reagent and reaction suitable for that protecting group. Step B: The 3-aminopyrazolo[1,5-a]pyridine derivative (9) may be reacted with an alkylating agent (for example, an optionally substituted alkyl halide), to obtain a pyrazolo[1,5-a]pyridine derivative (10). The reaction may be conducted with or without a solvent,

and in the presence or in the absence of a base. The solvent, if used, will differ depending on the starting

restricted so long as it does not inhibit the reaction and dissolves the starting materials to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, N, N-dimethylformamide, dimethylsulfoxide, and the like. The base, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned sodium hydride, potassium hydride, potassium carbonate, sodium carbonate, cesium carbonate, potassium hydroxide, sodium hydroxide, and the like. The reaction temperature will normally be from -70°C to 200°C. Step C: The amino group-protected 3-amino-pyrazolo[1,5-a]pyridine derivative (10) may be subjected to deprotecting reaction to obtain a 3-monoalkylaminopyrazolo[1,5-a]pyridine derivative (I')« The reaction may be conducted either in the presence or in the absence of a deprotecting reagent. If used, the deprotecting reagent will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned hydrochloric acid, sulfuric acid, trifluoroacetic acid,

methanesulfonic acid, iodotrimethylsilane, aluminum (III) chloride, trimethylsilyl triflate, and the like.
like) is used as the protecting group, the deprotection is carried out using reagents and reaction suitable for that protecting group. The reaction may be conducted with or without a solvent, and if it is carried out with a solvent, the solvent is preferably ethyl acetate, tetrahydrofuran, diethyl ether, 1,4-dioxane, acetonitrile, dichloromethane, chloroform, nitromethane, phenol, anisole, thiophenol or the like. The solvent will depend on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting materials to some extent. The reaction temperature will normally be from -70°C to 200°C.
Step D: The pyrazolo[1,5-a]pyridine derivative (I') may be reacted with a carbonyl derivative (for example, diethylketone), an aldehyde derivative (for example, propionaldehyde) or a carbonyl-equivalent compound (for example, ( (1-ethoxycyclopropyl)oxy) trimethylsilane) , in the presence of a reducing agent, to obtain a pyrazolo[1,5-a]pyridine derivative (I). The reaction temperature will normally be from -10°C to 150°C. The reaction may be conducted in the presence or in the absence of an acid, with or without a solvent, and in

the presence or in the absence of an inorganic salt. The solvent, if used, will differ depending on the
particularly restricted so long as it does not inhibit the reaction and dissolves the starting materials to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, 1,2-dichloroethane, dichloromethane, chloroform, acetonitrile, ethanol, methanol, water and the like, which may be used alone or as mixed solvents. The acid, inorganic salt and reducing agent used will differ depending on the starting material, solvent, etc. and are not particularly restricted so long as they do not inhibit the reaction, but preferably there may be mentioned acetic acid, sulfuric acid and the like as acids, sodium sulfate and the like as inorganic salts, and sodium triacetoxyborohydride, sodium borohydride, sodium cyanoborohydride and the like as reducing agents. Alternatively, the pyrazolo[1,5-a]pyridine derivative (I'M may be reacted with an acylating agent either in the presence or in the absence of a base, and with or without a solvent, to obtain a pyrazolo[1, 5-a]pyridine derivative (I) . The reaction temperature will normally be from -20°C to 150°C. The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so

long as it does not inhibit the reaction and dissolves the starting materials to some extent, but preferably

1,2-dichloroethane, dichloromethane, acetonitrile, ethanol, methanol, water and the like, which may be used alone or as mixed solvents. The base, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned triethylamine, N, N-diisopropylethylamine, 4-(dimethylamino)pyridine, sodium carbonate, potassium carbonate, sodium hydroxide, potassium hydroxide, and the like.

Step A: The nitro derivative or nitroso derivative (8) nay be reacted with a metal (powder) to obtain a 3-aminopyrazolo[1,5-a]pyridine derivative (11). The reaction temperature will normally be from -10°C to

150°C. The reaction may be conducted either in the presence or in the absence of an acid, and with or

depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned acetic acid, hydrochloric acid, sulfuric acid, and the like. The solvent, if used, will differ depending on the starting material, reagents, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting materials to some extent, but preferably there may be mentioned methanol, ethanol, n-butanol, tetrahydrofuran, water and the like, which may be used alone or as mixed solvents. The metal (powder) used may be zinc, iron, SnCl2, NiCl2, or the like.
Step B: The 3-aminopyrazolo[1,5-a]pyridine derivative (11) may be subjected to reaction in the same manner as Step A of Production Scheme 4 above, and the amino group thereof protected, to obtain compound (12). Step C: The halogenated compound (12) may be subjected to cross-coupling reaction using a palladium catalyst in the same manner as Step B of Production Scheme 2 above, to obtain compound (9).


Step A: A carboxylic acid derivative (13) and an azidating agent (for example, diphenylphosphoryl azide (DPPA)) may be reacted with or without a solvent and in the presence or in the absence of a base at a temperature from -70°C to 250°C to produce an acid azide derivative, and the acid azide derivative heated to 0-250CC for rearrangement reaction, such as Curtius rearrangement reaction, to produce isocyanate in the system, and then subjected to reaction with t-butanol or the like, to obtain a 3-aminopyrazolo[1,5-a]pyridine derivative ((9) or (12)) protected with a carbamate group such as t-butoxycarbonyl (Boc) . The solvent, if used, will differ depending on the starting material, reagents, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned benzene, toluene, xylene, diphenylether, t-butanol, tetrahydrofuran, dioxane, acetonitrile, N, N-dimethylformamide and the like, which may be used alone or as mixed solvents. The base, if used, will differ depending on the starting material,

solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but
preferably th~er~e may pyridine, and the like. As an alternative method for synthesis of the acid azide derivative, the carboxylic acid derivative (9) may be converted to an acid chloride or mixed acid anhydride and subjected to reaction with an azidating agent (for example, sodium azide, trimethylsilyl azide, etc.) to obtain the acid azide derivative. As yet alternative methods, the target compound ((9) or (12)) may also be obtained by Hofmann rearrangement or Schmidt rearrangement reaction.
Production Scheme 7

Step A: Compound (12) may be alkylated in the same manner as Step B of Production Scheme 4 to obtain Compound (13).

Step B: Compound (13) ' may be deprotected of the protecting group in the same manner as Step C of
Production Scheme-
Step C: Compound (14) may be alkylated or acylated in
the same manner as Step D of Production Scheme 4 to
obtain Compound (15).
Step C: Compound (11) may be alkylated in the same
manner as Step E of Production Scheme 2 to obtain
Compound (15).
Step E: Compound (15) may be cross-coupled using a
palladium complex or the like in the same manner as
Step B of Production Scheme 2 to obtain Compound (I).

Step A: Compound (19) was produced according to the method disclosed in Heterocycles, 1977, 6, 379. Specifically, Compound (17) may be reacted with Compound (18), to obtain Compound (19). Step B: Compound (20) may be obtained by reduction of

Compound (19) according to Step D of Production Scheme 2.
51:ep Cl Compound (
protected may be obtained from Compound (20) according to Step A of Production Scheme 4.
Step D: A halogenated compound (12') may be obtained from the 3-position amino group-protected Compound (21) by introducing a halogen at the 7-position according to Step A of Production Scheme 2.

Step A: Compound (Is) may be oxidized using an oxidizing agent such as m-chloroperbenzoic acid or the like, either with or without a solvent, to obtain a sulfoxide (Is1) . The reaction temperature will normally be from -70°C to 150°C. The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned acetone, acetic acid, trifluoroacetic acid, dichloromethane, chloroform, benzene, nitromethane, methanol, ethanol, water, and the like, which may be

used alone or as mixed solvents. As oxidizing agents to be used there may be mentioned m-chloroperbenzoic

bis(trimethylsilyl)peroxy acid, sodium periodate, dinitrogen tetroxide, nitric acid/sulfuric acid mixture, chromic acid, and the like.
Step B: The sulfoxide (Is1) may be oxidized using an oxidizing agent such as m-chloroperbenzoic acid or the like, either with or without a solvent, to obtain a sulfone (Is2) . The reaction temperature will normally be from -70°C to 150°C. The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned acetone, acetic acid, triflucroacetic acid, dichloromethane, chloroform, benzene, methanol, ethanol, water, and the like, which may be used alone or as mixed solvents. As oxidizing agents to be used there may be mentioned m-chloroperbenzoic acid, chromic acid, osmium tetroxide, potassium permanganate, and the like.


Step_A: A 2-pyridylacetic acid ester (22) and hydroxylamine-O-sulfonic acid (23) may be reacted in the presence or in the absence of a base, and with a solvent, to obtain a 2-hydroxypyrazolo[1,5-aJ pyridine derivative (24) . The reaction temperature will normally be from 0°C to 100°C. The solvent used will differ depending on the starting materials, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting materials to some extent, but preferably there may be mentioned acetone, acetic acid, methanol, ethanol, water, and the like, which may be used alone or as mixed solvents.
Step B: A 2-hydroxypyrazolo[1,5-a]pyridine derivative (24) may be reacted with an alkylating agent either with or without a solvent, and in the presence or in the absence of a base, to obtain Compound (25) . The reaction temperature will normally be from 0°C to 100°C.

The solvent, if used, will differ depending on the starting material, reagent, etc. and is not

the reaction and dissolves the starting material to some extent, but preferably there may be mentioned acetone, methanol, ethanol, water, and the like, which may be used alone or as mixed solvents. As alkylating agents there may be mentioned dimethylsulfuric acid, alkyl halides, diazomethane, trimethylsilyldiazomethane, or the like. The base, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned calcium carbonate, sodium carbonate, sodium hydrogencarbonate, triethylamine, and the like. Step C: Compound (25) may be used to obtain Compound (26) in the same manner as Step A of Production Scheme 2.
Step D: Compound (26) may be used to obtain Compound (81) in the same manner as Step C of Production Scheme 2.


Step A: A step of converting the leaving group Lev substituting at the 7-position or N atom at the 3-position of a pyrazolo[1,5-a]pyridine derivative represented by formula (Ial) or formula (Ihl), to a desired substituent Rar or Rrr. The following reactions may be employed.
[1] A pyrazolo[1,5-a]pyridine derivative represented by formula (Ial) or formula (Ihl) may be heated and reacted with a metal cyanide compound such as copper (I) cyanide, zinc cyanide or potassium cyanide, either with or without a solvent and in the presence or in the absence of a catalyst, to obtain a pyrazolo[1,5-a]pyridine derivative represented by

formula (Ia2) or formula (Ih2) . The reaction temperature will normally be from 40°C to 250°C. The solvent, if

reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned N, N-dimethylformamide, 1-methyl-2-pyrrolidinone, 1,3-dimethyl-2-imidazolidinone, tetrahydrofuran, 1,4-dioxane, pyridine, quinoline, and the like, which may be used alone or as mixed solvents. The catalyst, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned crown ethers such as 18-crown-6.
[2] A pyrazolo[1,5-a]pyridine derivative represented by formula (Ial) or formula (Ihl) may be reacted with an organic boric acid derivative, an organic tin derivative or a metal cyanide compound such as copper (I) cyanide, zinc cyanide or potassium cyanide, in the presence of a palladium or nickel complex, either with or without a solvent and in the presence or in the absence of a base, to obtain a pyrazolo[1,5-a]pyridine derivative represented by formula (Ia2) or formula (Ih2) . The reaction temperature will normally be from 0°C to 150°C. The solvent, if

used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so

the starting material to some extent, but preferably there may be mentioned N, N-dimethylformamide, 1-methyl-2-pyrrolidinone, 1,3-dimethyl-2-imidazolidinone, tetrahydrofuran, 1,4-dioxane, 1,2-dimethoxyethane, benzene, toluene, xylene, ethanol, water, and the like, which may be used alone or as mixed solvents. As examples of palladium or nickel complexes to be used there may be mentioned Pd(PPh3)4, Pd(OAc) 2/PPh3, Pd2(dba)3, PdCl2, PdCl2(dppf), Ni(dpp)2Cl2, and the like. The base, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned potassium carbonate, sodium carbonate, cesium fluoride, potassium fluoride, sodium hydrogencarbonate, barium hydroxide, triethylamine, and the like.
F


Step A: A step of removing Rxl from a compound represented by formula (Ia3) having YRxl, wherein Rxl is

for its deprotection. For example, when YRxl is a C1-6 alkoxy group, it may be reacted with a deprotecting reagent such as boron tribromide, either with or without a solvent, to obtain a compound represented by formula (Ia4) . The reaction may be conducted either in the presence or in the absence of a deprotecting agent. The deprotecting agent, if used, will differ depending on the starting material, reagent, etc., and preferably there may be mentioned boron tribromide, iodotrimethylsilane, boron trifluoride diethyl etherate, hydrochloric acid, and the like. The solvent used will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned chloroform, dichloromethane, acetonitrile, ethyl acetate, methanol, ethanol, water, and the like, which may be used alone or as mixed solvents.
This step also includes deprotection of Rxl
considered as a protecting group when Y is NRy or S(O)n-
Step B: For example, a compound represented by formula
(Ia4) having a phenolic hydroxyl group may be reacted
with an alkylating agent (for example, an optionally

substituted alkyl halide) , either in the presence or in the absence of a base, and with or without a solvent,
Ry introduced therein. The reaction is conducted either with or without a solvent, and in the presence or in the absence of a base. The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, N,N-dimethylformamide, dimethylsulfoxide, acetone, ethanol, methanol, water, and the like. The base, if used, will differ depending on the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned sodium hydride, potassium hydride, potassium carbonate, sodium carbonate, cesium carbonate, potassium hydroxide, sodium hydroxide, and the like. The reaction temperature will normally be from -70°C to 200°C.
As an alternative method, an optionally substituted alcohol derivative may be used for Mitsunobu reaction in the presence of a diazo compound such as diethyl azodicarboxylate and an organic phosphorus compound such as triphenylphosphine, with or

without a solvent, at a reaction temperature of from -70°C to 100°C, to obtain a compound represented by

if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long, as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, and the like.
The step may also include introduction of substituents by suitable substituent-introduction methods when Y is NRy or S(O)n.

Step A: Compound (1°) having a hydroxyl group protected with a benzoate group or the like, on substituent R60 on N atom at the 3-position may be subjected to deprotecting reaction to obtain Compound (I01) having a hydroxyl group on the substituent R60 on N atom at the 3-position. The reaction may be conducted either in the presence or in the absence of a deprotecting agent. The deprotecting agent, if used, will differ" depending

on. the starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit

sodium hydroxide, potassium hydroxide, sodium hydrogencarbonate, potassium carbonate, sodium carbonate, and the like. The reaction may also be conducted without or with a solvent, in which case the solvent is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned methanol, ethanol, n-butanol, water, and the like. The reaction temperature will normally be from 0°C to 200°C. When a group other than a benzoate group (for example, methoxymethyl, benzyl, acetyl, etc.) is used as the protecting group, deprotection is carried out by reaction using a reagent suited for that protecting group.


Step A: Compound (12) or (15) may be reacted with a boric acid ester derivative such as triethoxyborane or
a halogenated organic tin compound such as trimethyltin
chloride, either with or without a solvent, after using an organic lithium reagent such as n-butyllithium to convert the halogen atom to an anion, to obtain an organic boric acid derivative or organic tin derivative represented by formula (27) or (28) . The reaction temperature will normally be from -100°C to room temperature. The solvent used will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned tetrahydrofuran, diethyl ether, n-hexane, n-pentane, and mixtures thereof. The organic lithium reagent used will differ depending on the starting material or solvent, but preferably there may be mentioned n-butyllithium, sec-butyllithium, tert-butyllithium, and the like. The boric acid ester used will also differ depending on the starting material, solvent, etc., but preferably there may be mentioned trimethoxyborane, triethoxyborane, triisopropyloxyborane, and the like. The organic tin compound used will likewise differ depending on the starting material, solvent, etc., but preferably there may be mentioned trimethyltin chloride,

tributyltin chloride, tributyltin bromide, and the like. Instead of using an organic lithium reagent, the organic boric acid derivative or represented by formula (27) or (28) may be obtained by the reaction of a Grignard reagent, which is converted from the halide by using metallic magnesium, and a boric acid ester, diborane compound or a halogenated organic tin reagent, either with or without a solvent.
As an alternative method, Compound (12) or (15) may be subjected to coupling reaction with a diborane such as bis(pinacolato)diborane or an organic tin compound such as hexamethylditin (IV), in the presence of a Pd catalyst such as tetrakis(triphenylphosphine)palladium (O) complex, in the presence or in the absence of a base and with or without a solvent, to obtain an organic boric acid derivative or organic tin derivative represented by formula (27) or (28) . The reaction temperature will normally be from 0°C to 200°C. The solvent used will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned dioxane, toluene, 1,2-dimethoxyethane, and mixtures thereof. Step B: Compound (27) or (28) may be subjected to

coupling reaction in the same manner as Step B of
Production Scheme 2 above, to obtain Compound (9) or
(I) . • :

Step A: A pyrazolo[1,5-a]pyridine derivative (I') may be reacted with an aryl halide (for example, bromobenzene) or a heteroaryl halide (for example, 2-bromopyridine) , in the presence or in the absence of an organic phosphorus compound such as tri-t-butylphosphine, and in the presence of a Pd catalyst such as Pd2(dba)3,to obtain a pyrazolo [1,5-a] pyridine derivative (I) wherein R6 is an aryl or heteroaryl group. The reaction temperature will normally be from 0°C to 250°C. The reaction may be conducted in the presence or in the absence of a base, and with or without a solvent. The solvent, if used, will differ depending on the starting material, reagent, etc. and is not particularly restricted so long as it does not inhibit the reaction and dissolves the starting material to some extent, but preferably there may be mentioned toluene, xylene, mesitylene, tetrahydrofuran, diethyl

ether, 1, 2-dimethoxyethane, 1,4-dioxane, water, and the like, which may be used alone or as mixed solvents.
The base, if used, will diff er depending on the-
starting material, solvent, etc. and is not particularly restricted so long as it does not inhibit the reaction, but preferably there may be mentioned sodium t-butoxide, potassium t-butoxide, sodium carbonate, potassium carbonate, barium carbonate, cesium carbonate, and the like. As organic phosphorus compounds to be used there may be mentioned tri-t-butylphosphine, 2,2'-bis(diphenylphosphino)-1,1'-binaphthyl, di-t-butyl-o-biphenylphosphine, and the like. As Pd catalysts to be used there may be mentioned dichlorobis(tri-o-tolylphosphine)palladium complex, tetrakis(triphenylphosphine)palladium complex, Pd2(dba)3, Pd2(dba)3CHCl3, Pd(OAc)2, PdCl2 (PPh3) 2, and the like.
Representative production schemes for compound (I) according to the present invention have been described above, but the starting compounds and reagents used for production of the compounds of the invention may also form salts or hydrates which will differ depending on the starting materials and solvent used, and these are not particularly restricted so long as the reaction is not inhibited. The solvents used will also differ depending on the starting materials

and reagents, and they are not particularly restricted so long as they do not inhibit the reaction and dissolve the starting materials; to some extent. When compound (I) of the present invention is obtained as a free compound, a common method may be used to convert it to a salt which compound (I) can form. The different isomers (for example, geometric isomers, and optical isomers, rotational isomers, stereoisomers and tautomers based on asymmetric carbons) obtained for compound (I) according to the invention may be purified and isolated using common separation means such as recrystallization, diastereomer salt methods, enzymatic separation methods and chromatography methods (for example, thin-layer chromatography, column chromatography, gas chromatography, etc.).
The compounds of the present invention represented by the formula (I) and their salts exhibit excellent antagonism against CRF receptors and particularly CRF1 receptor, as well as low toxicity and high safety, and are therefore highly useful as drugs. The compounds of the invention and their salts may therefore be used to obtain Corticotropin-Releasing Factor (CRF) receptor antagonists and Corticotropin-Releasing Factor (CRF)-l receptor or Corticotropin-Releasing Factor (CRF)-1 receptor antagonists.
The compounds of the present invention and their

salts may be used to obtain pharmaceutical compositions (formulations) as (i) therapeutic or prophylactic
agents for diseasesReleasing Factor (CRF), (ii) therapeutic or prophylactic agents for depression, depressive symptom, mania, anxiety, generalized anxiety disorder, panic disorder, phobias, obsessive-compulsive disorder, posttraumatic stress disorder, Tourrete's syndrome, autism, affective disorder, dysthymia, bipolar disorder, cyclothymic personality and schizophrenia, (iii) therapeutic or prophylactic agents for depressive symptoms such as major depression, single-episode depression, recurrent depression, depression-induced child abuse or postpartum depression, (iv) therapeutic or prophylactic agents for peptic ulcer, irritable bowel syndrome, ulcerative colitis, Crohn's disease, diarrhea, constipation, postoperative ileus, stress-associated gastrointestinal disorders and nervous vomiting, and (v) therapeutic or prophylactic agents for Alzheimer's disease, senile dementia of Alzheimer's type, neurodegenerative disease, multi-infarct dementia, senile dementia, anorexia nervosa, eating disorder, obesity, diabetes, alcohol dependence, pharmacophilia, drug withdrawal symptoms, alcohol withdrawal symptoms, sleep diorder, insomnia, migraine, stress-induced headache, muscle contraction induced headache, ischemic

neuronal damage, excitotoxic neuronal damage, stroke, progressive supranuclear palsy, amyotrophic lateral

fatigue syndrome, psychosocial dwarfism, epilepsy, head trauma, spinal cord injury, cheirospasm, spasmodic torticollis, cervicobrachial syndrome, primary glaucoma, Meniere's syndrome, autonomic imbalance, alopecia, neurosis, hypertension, cardiovascular disorder, tachycardia, congestive heart failure, hyperventilation syndrome, bronchial asthma, apneusis, sudden infant death syndrome, inflammatory disorder, pain, allergosis, impotence, menopausal disorder, fertilization disorder, infertility, cancer, HIV infection-related immune dysfunction, stress-induced immune dysfunction, hemorrhagic stress, Cushing's syndrome, thyroid function disorder, encephalomyelitis, acromegaly, incontinence and osteoporosis.
Treatment or prevention of a disease associated with Corticotropin-Releasing Factor (CRF) receptors is also possible by single or multiple administration of a therapeutically effective dose of a compound of the invention or salt thereof to a patient with the disease associated with CRF receptors.
Compounds represented by formula (I) according to the present invention and salts thereof or hydrates of the foregoing may be used directly or in admixture with

publicly known pharmaceutically acceptable carriers, and formulated by common methods. As preferred dosage

particles, granules, coated tablets, capsules, syrups, lozenges, inhalants, suppositories, injections, ointments, eye salves, eye drops, nasal drops, ear drops, paps, lotions and the like. For the formulation there may be employed any commonly used excipients, binders, disintegrators, lubricants, coloring agents, corrective coatings, and if necessary, stabilizers, emulsifiers, absorbefacients, surfactants, pH adjustors, preservatives, antioxidants, or the like, in combination with various components that are ordinarily used as starting materials for pharmaceutical formulations.
As such components there may be mentioned animal and vegetable oils such as soybean oil, beef tallow and synthetic glycerides; hydrocarbons such as liquid paraffin, squalane and solid paraffin; ester oils such as octyldodecyl myristate and isopropyl myristate; higher alcohols such as cetostearyl alcohol and behenyl alcohol; silicone resins; silicone oils; surfactants such as polyoxyethylene fatty acid esters, sorbitan fatty acid esters, glycerin fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene hydrogenated castor oil and

polyoxyethylene-polyoxypropylene block copolymer; water-soluble polymers such as hydroxyethylcellulose,

glycol, polyvinylpyrrolidone and methylcellulose; lower
alcohols such as ethanol and isopropanol; polyhydric
alcohols such as glycerin, propylene glycol,
dipropylene glycol and sorbitol; sugars such as glucose
and sucrose; inorganic powders such as silicic
anhydride, magnesium aluminum silicate and aluminum
silicate; purified water, and the like. Examples of
excipients which may be used include lactose, corn
starch, white soft sugar, glucose, mannitol, sorbit,
crystalline cellulose and silicon dioxide; examples of
binders which may be used include polyvinyl alcohol,
polyvinyl ether, methylcellulose, ethylcellulose, gum
arabic, tragacanth, gelatin, shellac,
hydroxypropylcellulose, hydroxypropylmethyl cellulose,
polyvinylpyrrolidone, polypropylene
glycol/polyoxyethylene block polymer and meglumine, calcium citrate, dextrin pectin and carboxymethylcellulose calcium; examples of disintegrators which may be used include starch, agar, gelatin powder, crystalline cellulose, calcium carbonate, sodium hydrogencarbonate, calcium citrate, dextrin, pectin and carboxymethylcellulose calcium; examples of lubricants which may be used include

magnesium stearate, talc, polyethylene glycol, silica and hydrogenated vegetable oils; examples of coloring

for addition to drugs; examples of corrective coatings which may be used include cocoa powder, menthol, aromatic powders, mentha oil, borneol and powdered cinnamon; and examples of antioxidants which may be used include those approved for addition to drugs, such as ascorbic acid and alpha-tocopherol.
An oral formulation may be prepared by combining a compound of the present invention or salt thereof with an excipient, if necessary adding a binder, disintegrator, lubricant, coloring agent, corrective coating or the like, and forming a powder, fine particles, granules, tablets, coated tablets, capsules, etc. by a common method.
The tablets or granules may, of course, also be coated with a sugar coating, gelatin coating or other type of suitable coating if necessary.
In the case of a liquid formulation such as syrup, injection, eye drops or the like, a common method may be used for formulation with a pH adjustor, solubilizer, isotonizing agent or the like, as well as a solubilizing aid, stabilizer, buffering agent, suspending agent, antioxidant, etc. if necessary. In ' the case of a liquid formulation, it may also be

lyophilized, and an injection may be administered intravenously, subcutaneously or intramuscularly. As

mentioned methyl cellulose, polysorbate 80, hydroxyethyl cellulose, gum arabic, tragacanth powder, sodium carboxymethylcellulose, polyoxyethylene sorbitan monolaurate and the like; as preferred examples of solubilizing aids there may be mentioned polyoxyethylene hydrogenated castor oil, polysorbate 80, nicotinamide, polyoxyethylene sorbitan monolaurate and the like; as preferred examples of stabilizing agents there may be mentioned sodium sulfite, sodium metasulfite, ether and the like; and as preferred examples of preservatives there may be mentioned methyl paraoxybenzoate, ethyl paraoxybenzoate, sorbic acid, phenol, cresol, chlorocresol, and the like.
There are no particular restrictions on the method of preparing an external agent, and any common method may be employed. The base materials used may be any raw materials commonly employed in drugs, quasi drugs, cosmetics and the like, and as examples there may be mentioned raw materials such as animal and vegetable oils, mineral oils, ester oils, waxes, higher alcohols, fatty acids, silicone oils, surfactants, phospholipids, alcohols, polyhydric alcohols, water-soluble polymers, clay minerals, purified water and the

like, with addition of pH adjustors, antioxidants, chelating agents, antiseptics and fungicides, coloring
necessary, there may also be included differentiation-inducing components, or other components such as circulation promoters, microbicides, antiphlogistic agents, cell activators, vitamins, amino acids, humectants, keratolytic agents and the like.
Drug formulations comprising the compounds of the present invention and salts thereof or hydrates of the foregoing as effective ingredients are useful for disease treatment or prevention in mammals (for example, humans, mice, rats, guinea pigs, rabbits, dogs, horses, monkeys, etc.), and especially for disease treatment or prevention in humans.
Although the dosage of a drug according to the present invention will differ depending on the patient's severity of symptoms, age, gender, body weight, the dosage form, type of salt, drug sensitivity and specific type of disease, etc., it will generally be from about 30 ug to 10 g, preferably from 100 ug to 500 mg, more preferably from 100 ug to 100 mg per day for adult humans in the case of oral administration or about 1-3000 ug/kg and preferably about 3-1000 ug/kg in the case of injection, administered once or divided over several times a day.

[EXAMPLES]
The following production examples, examples and

illustration and are not intended to be restrictive on the compounds of the invention in any way. It will be apparent to those skilled in the art that various modifications may be added beyond these examples and within the scope of the claims of the invention in the present specification in order to maximize the effect of the invention, and such modifications are also encompassed within the claims. Production Example 1 2-(1-Butynyl)pyridine
After dissolving 2-bromopyridine (50 g) in diethylamine (50 0 mL) and adding dichlorobis(triphenylphosphine)palladium (II) (2.2 g) and copper iodide (0.3 g) , the mixture was stirred at room temperature for 4 hours while.introducing 1-butyne (100 g) as a gas. After bubbling in nitrogen, extraction was performed with ethyl acetate. The insoluble portion was filtered out with celite, and then the organic layer was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (35 g) was

obtained from the n-hexane:ethyl acetate (5:1) fraction
as a brown oil.
(q, J= 7.6 Hz, 2H) , 7.16-7.20 (m, 1H) , 7.35-7.38 (m,
1H), 7.59-7.63 (m, 1H) , 8.53-8.54 (m, 1H) .
Production Example 2
2-Ethylpyrazolo[1,5-a]pyridine
After dissolving 2-(1-butynyl)pyridine (12.8 g)
in dichloromethane (60 mL) , a solution of O-mesitylenesulfonylhydroxyamine (Reference document:
Synthesis, 1997, 1) (20 g) in dichloromethane (132 mL) was added dropwise while cooling on ice, and the mixture was stirred for 30 minutes. Diethyl ether (2 L) was added to the reaction mixture to precipitate crystals, which were collected by filtration and dried under reduced pressure to obtain N-amino-2-(1-butynyl)pyridinium mesitylenesulfonate (12.6 g) as colorless crystals.
A 6.1 g portion of the obtained N-amino-2-(1-butynyl)pyridinium mesitylenesulfonate was dissolved in tetrahydrofuran (600 mL), potassium tert-butoxide (3.55 g) was added at room temperature, and the mixture was vigorously stirred for 30 minutes. After adding ice water to the reaction mixture, extraction was performed with ethyl acetate. The aqueous layer was again extracted with ethyl acetate, the insoluble portion was

filtered with a celite filter, and the organic layers were combined and washed with brine. After drying over
anhydrous was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (0.63 g) was obtained from the n-hexane:ethyl acetate (10:1) fraction as a light yellow oil. XH NMR (400MHz, CDC13) δ 1.36 (t, J= 7.6 Hz, 3H) , 2.86 (q, J= 7.6 Hz, 2H) , 6,30 (s, 1H) , 6.65 (ddd, J= 1.6, 6.8, 6.8 Hz, 1H), 7.04 (ddd, J= 1.2, 6.8, 8.8 Hz, 1H), 7.41 (ddd, J = 1.2, 1.2, 8.8 Hz, 1H) , 8.37 (ddd, J = 1.2, 1.2, 6.8 Hz, 1H). Production Example 3 7-Bromo-2-ethylpyrazolo[1,5-a]pyridine
After dissolving 2-ethylpyrazolo[1,5-a]pyridine (80 mg) in tetrahydrofuran (1 mL) , an n-butyllithiumhexane solution (1.6 M; 0.58 mL) was added dropwise at -78°C under a nitrogen stream, and the mixture was stirred for 30 minutes. A solution of 1,2-dibromo-1,1,2,2-tetrachloroethane (196 mg) in tetrahydrofuran (0.5 mL) was added to the reaction mixture, and stirring was continued for 30 minutes. The temperature was increased to room temperature, water was added, extraction was performed with ethyl acetate and the organic layer was washed with water and

brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography and the title compound (90 mg) was obtained from the n-hexane:ethyl acetate (20:1) fraction as a light brown oil. 1H NMR (400MHz, CDC13) δ 1.36 (t, J= 7.6 Hz, 3H) , 2.93 (q, J = 7.6 Hz, 2H) , 6,49 (s, 1H) , 6.94 (dd, J = 7.2, 8.4 Hz, 1H) , 6.99 (dd, J= 1.6, 7.2 Hz, 1H) , 7.44 (dd, J = 1.6, 8.4 Hz, 1H). Production Example 4 7-(2,4-Dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridine
After dissolving 7-bromo-2-ethylpyrazolo[1,5-a]pyridine (300 mg) in ethanol (2 mL) and toluene (4
mL), 2,4-dichlorophenylboric acid (508 mg), tetrakis(triphenylphosphine)palladium (O) complex (154 mg) and 2M aqueous sodium carbonate (1.33 mL) were added and the mixture was heated and stirred at 80°C for 3 hours under a nitrogen stream. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the organic layer was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (38 0 mg) was obtained from the n-hexane:ethyl aceta'te

(100:1) fraction as a light yellow oil. 1H NMR (400MHz, CDCl3) 5 1.30 (t, J = 7.6 Hz, 3H) , 2.82

6.8 Hz, 1H) , 7.12 (dd, J= 6.8, 8.8 Hz, 1H) , 7.38 (dd,
J = 2.0, 8.4 Hz, 1H) , 7.48 (d, J = 8.4 Hz, 1H ), 7.51
(dd, J- 1.6, 8.8 Hz, 1H) , 7.55 (d, J= 2.0 Hz, 1H) .
Production Example 5
7-(2,4-Dichlorophenyl)-2-ethyl-3-nitropyrazolo[1,5-
a]pyridine
After dissolving 7-(2,4-dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridine (280 mg) in acetonitrile
(20 mL) , nitroniuia tetrafluoroborate (255 mg) was added 4 times at 30 minute intervals while stirring on ice. The reaction mixture was added to ice water, extraction was performed with ethyl acetate and the extract was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (115 mg) was obtained from the n-hexane:ethyl acetate (20:1) fraction as yellow crystals.
1H NMR (400MHz, CDCI3) 5 1.30 (t, J = 7.6 Hz, 3H) , 3.15 (q, J = 7.6 Hz, 2H) , 7.07 (dd, J = 1.6, 7.2 Hz, 1H) , 7.43 (d, J = 1.2 Hz, 1H) , 7.60 (t, J = 1.2 Hz, 1H) , 7.70 (dd, J= 7.2, 8.8 Hz, 1H ), 8.44 (dd, J= 1.6, 8.8 Hz, 1H) .

Production Example 6 7-Bromo-2-ethyl-3-nitropyrazolo[1,5-a]pyridine

a]pyridine (1.1 g) in acetonitrile (20 mL) , nitronium tetrafluoroborate (1.3 g) was added while stirring on ice, and stirring was continued for 30 minutes. The reaction mixture was added to ice water, extraction was performed with ethyl acetate and the extract was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (670 mg) was. obtained from the n-hexane:ethyl acetate (10:1) fraction as yellow crystals. 1H NMR (400MHz, CDC13) 6 1.42 (t, J= 7.6 Hz, 3H) , 3.27 (q, J = 7.6 Hz, 2H) , 7.39 (dd, J = 1.2, 7.6 Hz, 1H) , 7.50 (dd, J= 7.6, 8.8 Hz, 1H), 8.38 (dd, J= 1.2, 8.8 Hz, 1H).
Production Example 7
7-(2-Chloro-4-methoxyphenyl)-2-ethyl-3-nitropyrazolo[1,5-a]pyridine
After dissolving 7-bromo-2-ethyl-3-nitropyrazolo[1,5-a]pyridine (100 mg) in 1,2-dimethoxyethane (6 mL) and water (1 mL) , 2-chloro-4-methoxyphenylboric acid (138 mg) , tetrakis(triphenylphosphine)palladium- (O) complex (86

mg) and barium hydroxide octahydrate (233 mg) were added and the mixture was heated and stirred at 80°C
the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with saturated aqueous sodium hydrogencarbonate and brine, in that order. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (90 mg) was obtained from the n-hexane:ethyl acetate (30:1) fraction as yellow crystals. lR NMR (400MHz, CDC13) δ 1.30 (t, J= 7.6 Hz, 3H) , 3.15 (q, J = 7.6 Hz, 2H) , 3.90 (s, 3H) , 6.96 (dd, J = 2.4, 8.4 Hz, 1H), 7.07 (dd, J= 1.6, 7.2 Hz, 1H), 7.10 (d, J = 2.4 Hz, 1H) , 7.40 (d, J= 8.4 Hz, 1H), 7.68 (dd, J = 7.2, 8.8 Hz, 1H) , 8.40 (dd, J= 1.6, 8.8 Hz, 1H) . Production Example 8 2-Ethyl-4--methoxypyrazolo [1, 5-a]pyridine
After adding
dichlorobis(triphenylphosphine)palladium (II) (671 mg) and copper iodide (91 mg) to a solution of 2-bromo-3-methoxypyridine (18.0 g) in diethylamine (250 mL) , 1-butyne (15.5 g) was bubbled through at room temperature,' and the mixture was stirred for 2 0 hours. Upon completion of the reaction, the solvent was distilled

off under reduced pressure. Water was added to the obtained residue, extraction was performed with ethyl

over magnesium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was subjected to silica gel column chromatography (500 g) , and 2-(1-butynyl)-4-methoxypyridine (10.0 g) was obtained from the n-hexane:ethyl acetate (2:1) fraction as a brown oil.
To a solution of the obtained 2-(1-butynyl)-4-methoxypyridine (10.0 g) in dichloromethane (100 mL) there was added dropwise a solution of 0-mesitylenesulfonylhydroxyamine (16.0 g) in dichloromethane (100 mL) at 0°C, and the mixture was stirred for 1 hour. Diethyl ether (250 mL) was added to the reaction mixture, and the precipitated solid was suction filtered and dried to obtain N-amino-2-(1-butynyl)-4-methoxypyridinium mesitylenesulfonate as a white salt (20.7 g).
Potassium tert-butoxide (11.1 g) was added to a solution of N-amino-2-(1-butynyl) -4-methoxypyridinium mesitylenesulfonate (20.7 g) in tetrahydrofuran (300 mL) and N, N-dimethylformamide (15 mL) , and the mixture was stirred at room temperature for 1 hour. Water was added while cooling on ice, extraction was performed with ethyl acetate, the extract was washed with brine

and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was
subjected to silica gel column
and the title compound (6.44 g) was obtained from the n-hexane:ethyl acetate (3:1) fraction as a yellow oil. XE NMR (400MHz, CDC13) δ 1.35 (t, J= 7.6 Hz, 3H) , 2.84 (q, J= 7.6 Hz, 2H), 3.93 (s, 3H) , 6.32 (d, J= 1.1 Hz, 1H) , 6.42 (s, 1H) , 6.57 (t, J= 7.5 Hz, 1H) , 8.03 (dd, J = 0.7, 7.0 Hz, 1H). Production Example 9 7-Bromo-2-ethyl-4-methoxypyrazolo[1,5-a]pyridine
n-Butyllithium (1.31 mL) was slowly added dropwise to a solution of 2-ethyl-4-methoxypyrazolo[1,5-a]pyridine (303 mg) in tetrahydrofuran (15 mL) at -78°C. After stirring the fixture at -78 °C for 1 hour, 1,2-dibromoethane (0.18 uL) was added and stirring was continued for 1 hour. Saturated aqueous ammonium chloride was added, extraction was performed with ethyl acetate, the 2xtract was washed with brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica jel column chromatography (20 g) , and the title :ompound (282 mg) was obtained from the n-hexane:ethyl icetate (5:1) fraction as a colorless oil. XE NMR (400MHz, CDC13) δ 1.35 -(t, J = 7.7 Hz; 3H) , 2.91

(q, J= 7.7 Hz, 2H) , 3.93 (s, 3H) , 6.28 (d, J= 8.1 Hz,
1H), 6.61 (s, 1H), 6.85 (d, J= 8.1 Hz, 1H).

7-Bromo-2-ethyl-4-methoxy-3-nitropyrazolo[1,5-
a]pyridine
After adding nitronium tetrafluoroborate (17 6 mg)
to a solution of 7-bromo-2-ethyl-4-methoxypyrazolo[1,5-
a]pyridine (282 mg) in acetonitrile (20 mL) at 0°C, the mixture was stirred for 20 minutes. Upon completion of the reaction, water was added, extraction was performed with ethyl acetate, the extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel column chromatography (20 g) , and the title compound (159 mg) was obtained from the n-hexane:ethyl acetate (3:1) fraction as yellow crystals.
1H NMR (400MHz, CDC13) δ 1.39 (t, J= 7.5 Hz, 3H) , 3.13 (q, J- 7.5 Hz, 2H), 3.99 (s, 3H), 6.72 (d, J= 8.4 Hz, 1H), 7.19 (d, J = 8.3 Hz, 1H). Production Example 11
2-Ethyl-4-iuethoxy-7- (2-methoxy-4, 6-dimethylphenyl) -3-nitropyrazolo[1,5-a]pyridine
After adding 4,6-dimethyl-2-methoxyphenylboric acid (191 mg) , barium hydroxide octahydrate (334 mg)

and tetrakis(triphenylphosphine)palladium (O) complex (123 mg) to a solution of 7-bromo-2-ethyl-4-methoxy-3-nitropyrazolo [l,~5-aTpyridine (T5~9 mg) in a miirtuTB" of ethyleneglycol diethyl ether (15 mL) and water (7.5 mL), the mixture was heated at 80°C for 30 minutes. Water was added, extraction was performed with ethyl acetate, the ' extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel column chromatography (20 g) , and the title compound (185 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as yellow crystals. 1H NMR (400MHz, CDC13) δ 1.24 (t, J= 7.5 Hz, 3H), 1.98 (s, 3H) , 2.40 (s, 3H) , 2.99 (q, J= 7.5 Hz, 2H) , 3.66 (s, 3H) , 4.03 (s, 3H) , 6.68 (s, 1H) , 6.78 (s, 1H) , 6.81 (d, J= 8.1 Hz, 1H), 6.90 (d, J= 8.1 Hz, 1H). Production Example 12
tert-Butyl N- [2-methylthiopyrazolo [1, 5-a]pyridin-3-
yl]carbamate
2-Methylthio-3-nitropyrazolo[1, 5-a]pyridine
(Reference document: Heterocycles, 1977, 6, 379) (400
mg) was suspended in ethanol (20 mL) , and then water
(10 mL) , acetic acid (2 mL) and zinc powder (800 mg)
were added and the mixture was heated and stirred at
80°C for 30 minutes. The reaction mixture was filtered,

water was added to the filtrate, extraction was performed with ethyl acetate and the extract was washed
with" saturated" aqueous sodium
brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure to obtain 2-methylthiopyrazolo[1, 5-a]pyridin-3-yl]amine as a crude product. This was then dissolved in dichloromethane (5 mL) , triethylamine (0.4 mL) was added, di-tert-butyl dicarbonate (625 mg) was further added while cooling on ice, and the mixture was stirred overnight at room temperature. After adding water to the reaction mixture, extraction was performed twice with ethyl acetate and the organic layer was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (230 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as a yellow oil.
LH NMR (400MHz, CDC13) δ 1.53 (br s, 9H) , 2.60 (s, 3H) , 6.00-6.15 (m, 1H), 6.69 (t, J= 6.8 Hz, 1H), 7.11 (t, J = 8.0 Hz, 1H), 7.40-7.50 (m, 1H), 8.83 (d, J= 6.8 Hz, 1H) . Production Example 13
tert-Butyl N- [7-10do-2-methylthiopyrazolo [1,5-
a]pyridin-3-yl] Carbamate

After dissolving tert-butyl N-[2-methylthiopyrazolo[1,5-a]pyridin-3-yl]carbamate (21.6
g) in tetrahydrofuran
butyllithium in hexane (1.6 M; 130 mL) was added
dropwise at -78°C under a nitrogen stream, and the
mixture was stirred for 30 minutes. A solution of 1,2-
diiodoethane {24 g) in tetrahydrofuran (50 mL) was
added to the reaction mixture, and stirring was
continued for 1 hour. Saturated aqueous ammonium
chloride was added to the reaction mixture, the
temperature was raised to room temperature, extraction
was performed with ethyl acetate and the extract was
washed with water and brine. After drying over
anhydrous magnesium sulfate and filtration, the solvent
was concentrated under reduced pressure, the residue
was purified by silica gel column chromatography, and
the title compound was obtained from the n-hexane:ethyl
acetate (5:1) fraction as yellow crystals.
1H NMR (400MHz, CDC13) δ 1.52 (s, 9H) , 2.64 (s, 3H) , 6.02-6.10 (m, 1H) , 6.81 (dd, J= 7.2, 8.8 Hz, 1H) , 7.22 (dd, J= 1.2, 7.2 Hz, 1H), 7.42-7.50 (m, 1H) . Production Example 14 7-Bromo-2-methoxypyrazolo[1,5-a]pyridine
A solution of 2-methoxypyrazolo[1,5-a]pyridine
(7.15 g) [CAS No.59942-88-O] in tetrahydrofuran (140
mL) was cooled to -7 8°C under a nitrogen stream, and

then a solution of n-butyllithium in hexane (1.6 M; 46 itiL) was added dropwise and the mixture was stirred for
30 minutes. A
tetrachloroethane (18.9 g) in tetrahydrofuran (30 mL) was added dropwise at -78°C, and stirring was continued for 1 hour. After increasing the temperature of the reaction mixture to room temperature and adding water, extraction was performed with ethyl acetate and the extract was washed with brine. After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (7.1 g) was obtained from the n-hexane:ethyl acetate (50:1) fraction as a yellow oil.
1H NMR (400MHz, CDC13) δ 4.03 (s, 3H) , 6.02 (s, 1H) , 6.91-6.97 (m, 2H), 7.31 (dd, J =2.4, 7.6 Hz, 1H). Production Example 15
2-Methoxy-7-(2-methoxy-4,6-dimethylphenyl)-3-nitrosopyrazolo[1,5-a]pyridine
After dissolving 7-bromo-2-methoxypyrazolo[1,5-a]pyridine (400 mg) in acetic acid (4 mL) , an aqueous solution (2 mL) containing sodium nitrite (134 mg) was added and the mixture was stirred at room temperature for 30 minutes. The precipitated crystals were collected by filtration and washed with water. After

dissolving the obtained crude 7-bromo-2-methoxy-3-nitrosopyrazolo[1,5-a]pyridine, without further
purification,
(20 mL), 4,6-dimethyl-2-methoxyphenylboric acid (475 mg) , tetrakis(triphenylphosphine)palladium (O) complex (203 mg) and barium hydroxide octahydrate (829 mg) were added and the mixture was heated and stirred at 80°C for 1 hour. Water was added to the reaction mixture, extraction was performed with ethyl acetate, the organic layer was washed with brine, dried over anhydrous magnesium sulfate and filtered, and the solvent was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography, and the title compound (200 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as a brown oil.
1H NMR (400MHz, CDC13) δ 2.05 (s, 3H) , 2.43 (s, 3H) , 3.70 (s, 3H) , 4.20 (s, 3H), 6.70 (s, 1H), 6.79 (s, 1H) , 6.08 (dd, J= 1.6, 7.2 Hz, 1H) , 7.80 (dd, J= 7.2, 8.4 Hz, 1H), 8.30 (dd, J= 1.6, 8.4 Hz, 1H). Production Example 16 7-Bromo-2-methoxypyrazolo [1, 5-a]pyridine-^3-amine
After dissolving 7-bromo-2-methoxypyrazolo[1,5-a]pyridine (1 g) in acetic acid (10 mL) , an aqueous solution (5 mL) containing sodium nitrite (334 mg) was added and the mixture was stirred at -room temperature

for 2 0 minutes. After adding ethanol (60 mL) and water (30 mL) to the reaction mixture, zinc powder (1 g) was added and the mixture was heated arid stirred at 60C for 30 minutes. The insoluble residue was filtered out, water was added, and extraction was performed with ethyl acetate. After washing the organic layer with brine, drying it over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (7 50 mg) was obtained from the n-hexane:ethyl acetate (3:1) fraction as brown crystals.
1H NMR (400MHz, CDC13) δ 4.13 (s, 3H) , 6.78 (dd, J = 1.6, 6.8 Hz, 1H) , 6.81 (dd, J= 6.8, 8.4 Hz, 1H) , 7.24 (dd, J = 1.6, 8.4 Hz, 1H). Production Example 17
tert-Butyl N- (7-bromo-2-methoxypyrazolo[1,5-a]pyridin-3-yl)carbamate
After dissolving 7-bromo~2-methoxypyrazolo[1,5-a]pyridine-3-amine (810 mg) in dichloromethane (20 mL) , triethylamine (0.7 mL) was added, di-tert-butyl dicarbonate (923 uL) was further added while cooling on ice, and the mixture was stirred overnight at room temperature. After adding water to the reaction mixture, extraction was performed with ethyl acetate and the organic layer was washed with brine. After drying over

anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue
was purTf ied~by silica gel column
the title compound (1.05 g) was obtained from the n-hexane:ethyl acetate (10:1) fraction as yellow crystals.
1H NMR (400MHz, CDC13) 6 1.49 (s, 9H) , 4.12 (s, 3H) , 6.89 (dd, J = 1.2, 7.6 Hz, 1H), 6.94 (dd, J = 7.6, 8.8 Hz, 1H), 7.30-7.39 (m, 1H). Production Example 18 3-[(tert-Butoxycarbonyl)amino]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-7-ylboric acid
After dissolving tert-butyl N-(7-10do~2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl)carbamate (200 mg) in tetrahydrofuran (2 mL) , the mixture was cooled to -78°C and n-butyllithium (1.6 M; 0.66 mL) was added dropwise. The mixture was stirred for 1 -hour at the same temperature, triethoxyborane (109 uL) was added and the temperature was increased to room temperature. Saturated aqueous ammonium chloride was added to the obtained reaction mixture, and extraction was performed with ethyl acetate. The obtained organic layer was washed with brine and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure to obtain the title compound (106 mg) as grayish white crystals. 1H NMR (400MHz, CDC13) δ 1.53 (br s, 9H) , 2.59 (s, 3H) ,

6.05 (br s, 1H), 6.66 (ddd, J= 1.6, 1.6, 6.8 Hz, 1H) ,
7.04-7.12 (m, 1H), 7.44 (br s, 2H), 8.27 (ddd, J= 1-6, ____________Example 1
tert-Butyl N-[7-(2,4-dichlorophenyl)-2-
ethvlpyrazolo[1,5-a]pyridin-3-yl]carbamate
After dissolving [7-(2,4-dichlorophenyl)-2-ethylpyrazolo[l,5-a]pyridin-3-yl]amine (60 mg) and triethylamine (0.041 mL) in dichloromethane, di-tert-butyl dicarbonate (71 mg) was added while cooling on ice, and the mixture was stirred overnight at room temperature. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the organic layer was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (59 mg) was obtained from the n-hexane:ethyl acetate (10:1) fraction as a light yellow oil. 1H NMR (400MHz, CDCl3) 5 1.26 (t, J= 7.6 Hz, 3H) , 1.68 (s, 9H), 2.79 (q, J= 7.6 Hz, 2H) , 6.70 (dd, J= 1.6, 6.8 Hz, 1H), 7.20 (dd, J= 6.8, 8.8 Hz, 1H) , 7.39 (dd, J= 2.0, 8.4 Hz, 1H), 7.44-7.50 (m, 2H) , 7.56 (d, J = 2.0 Hz, 1H). Example 2

N-[l-(2,4-Dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl] -N, AT-dipropylamine

nitropyrazolo[1,5-a]pyridine (110 mg) was suspended in ethanol (6 mL) , and then water (3 mL) , acetic acid (1 mL) and zinc powder (220 mg) were added and the mixture was heated and stirred at 60°C for 1 hour. The reaction mixture was filtered, water was added to the filtrate, extraction was performed with ethyl acetate and the extract was washed with saturated aqueous sodium hydrogencarbonate and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure to obtain [7-(2,4-dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]amine (90 mg) as crude crystals. These were dissolved in tetrahydrofuran (1 mL) , and after adding propionaldehyde (0.059 mL) and 3 M aqueous sulfuric acid (0.2 94 mL), sodium borohydride (22.2 mg) was added in five portions while vigorously stirring on ice, and stirring was continued for 30 minutes. Water was added to the reaction mixture, extraction was performed with diethyl ether and the extract was washed with saturated sodium hydrogencarbonate and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and

the title compound (59 mg) was obtained from the n-
hexane:ethyl acetate (100:1) fraction as a yellow oil.

(t, J = 7.6 Hz, 3H) , 1.34-1.44 (m, 4H) , 2.75 (q, J =
7.6 Hz, 2H) , 3.02 (t, J = 7.2 Hz, 4H) , 6.57 (dd, J =
1.2, 6.8 Hz, 1H) , 7.01 (dd, J= 6.8, 8.8 Hz, 1H) , 6.57 (dd, J = 2.0, 8.0 Hz, 1H) , 7.50 (d, J = 8.0 Hz, 1H) ,
7.51 (dd, J = 1.2, 8.8 Hz, 1H) , 7.54 (d, J = 2.0 Hz,
1H) .
Example 3
N- [7-(2-Chloro-4-methoxyphenyl)-2-ethylpyrazolo[1,5-
a]pyridin-3-yl]-N, N-dipropylamine
7-(2-Chloro-4-methoxyphenyl)-2-ethyl-3-nitropyrazolo[1,5-a]pyridine (5 mg) was suspended in
ethanol (2 mL), and then water (1 mL), acetic acid (0.5 mL) and zinc powder (10 mg) were added and the mixture was heated and stirred at 80°C for 30 minutes. The reaction mixture was filtered, water was added to the filtrate, extraction was performed with ethyl acetate and the extract was washed with saturated aqueous sodium hydrogencarbonate and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure to obtain [7-
(2-chloro-4-methoxyphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]amine as crude crystals. These were dissolved in tetrahydrofuran (1 mL) without further

purification, and after adding propionaldehyde (0.015 inL) and 3 M aqueous sulfuric acid (0.071 mL) , sodium
borohydride
vigorously stirring on ice, and stirring was continued for 30 minutes. Water was added to the reaction mixture, extraction was performed with diethyl ether and the extract was washed with saturated sodium hydrogencarbonate and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure and the residue was purified by preparative TLC [n-hexane:ethyl acetate (5:1), Rf=0.5] to obtain the title compound (6 mg) as a light yellow oil. JH NMR (400MHz, CDCl3) 6 0.88 (t, J= 7.6 Hz, 6H) , 1.23 (t, J = 7.6 Hz, 3H) , 1.34-1.44 (m, 4H) , 2.76 (q, J = 7.6 Hz, 2H) , 3.02 (t, J= 7.6 Hz, 4H) , 3.87 (s, 3H) , 6.56 (dd, J= 1.6, 6.4 Hz, 1H) , 6.92 (dd, J= 2.8, 8.6 Hz, 1H), 6.99 (dd, J= 6.4, 8.6 Hz, 1H) , 7.06 (d, J = 2.8 Hz, 1H) , 7.32 (d, J = 8.6 Hz, 1H) , 7.45 (dd, J = 1.6, 8.6 Hz, 1H).
The compounds of Examples 4 to 22 were synthesized according to the production methods of Examples 1, 2 and 3. Example 4
N-[2-Ethyl-7-(2-methoxy-4,6-dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N,N-

dipropylamine
(Light yellow crystals)
_
(t, J = 7.6 Hz, 3H) , 1.34-1.44 (m, 4H) , 1.98 (s, 3H) , 2.39 (s, 3H) , 2.74 (q, J = 7.6 Hz, 2H) , 3.02 (t, J = 7.6 Hz, 4H) , 3.68 (s, 3H) , 6.49 (dd, J= 1.2, 6.8 Hz, 1H) , 6.68 (s, 1H), 6.76 (s, 1H), 6.99 (dd, J = 6.8, 8.8 Hz, 1H), 6.99 (dd, J= 1.2, 8.8 Hz, 1H). Example 5
N-[7-(2,6-Dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine (Light yellow oil)
lR NMR (400MHz, CDC13) 6 0.87 (t, J= 7.6 Hz, 6H) , 1.21 (t, J = 7.6 Hz, 3H) , 1.34-1.44 (m, 4H) , 2.43 (s, 3H) , 2.74 (q, J = 7.6 Hz, 2H) , 3.01 (t, J = 7.6 Hz, 4H) , 3.70 (s, 6H) , 6.51 (s, 2H) , 6.57 (dd, J= 1.2, 6.8 Hz, 1H), 6.99 (dd, J= 6.8, 8.8 Hz, 1H) , 6.99 (dd, J= 1.2, 8.8 Hz, 1H). Example 6
N- [7-(2,4-Dimethoxyphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine (Light yellow oil)
XE NMR (400MHz, CDC13) δ 0.87 (t, J =-7.6 Hz, 6H) , 1.24 (t, J = 7.6 Hz, 3H) , 1.34-1.44 (m, 4H) , 2.75 (q, J = 7.6 Hz, 2H) , 3.01 (t, J = 7.6 Hz, 4H) , 3.75 (s, 3H) , 3.87 (s, 3H) , 6.58-6.62 (m, 3H) , 6.98 (dd, J= 6.8, 9.2

Hz, 1H) , 7.42 (dd, J= 1.6, 8.8 Hz, 1H) , 7.49 (d, J = 9.2 Hz, 1H).

N- [2-Ethyl-7-(4-methoxy-2-methylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine (Light yellow oil)
1H NMR (400MHz, CDC13) 6 0.88 (t, J = 7.6 Hz, 6H) , 1.23 (t, J= 7.6 Hz, 3H), 1.34-1.44 (ra, 4H) , 2.10 (s, 3H) , 2.75 (q, J = 7.6 Hz, 2H) , 3.01 (t, J = 7.6 Hz, 4H) , 3.86 (s, 3H) , 6.49 (dd, J= 1.6, 6.8 Hz, 1H), 6.82 (dd, J = 2.8, 8.4 Hz, 1H) , 6.86 (d, J = 2.8 Hz, 1H) , 6.99 (dd, J = 6.8, 8.8 Hz, 1H) , 7.32 (d, J = 8.4 Hz, 1H) , 7.45 (dd, J= 1.6, 8.8 Hz, 1H). Example 8
N,N-Dicyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1, 5-a]pyridin-3-yl]amine (Colorless crystals)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 4H) , 0.30-O.36 (m, 4H) , 0.80-O.90 (m, 2H) , 1.22 (t, J = 7.6 Hz, 4H) , 1.97 (s, 3H), 2.39 (s, 3H) , 2.72-2.84 (m, 2H) , 2.99 (d, J= 6.A Hz, 2H) , 3.68 (s, 3H) , 6.48 (dd, J= 1.2, 6.8 Hz, 1H), 6.69 (s, 1H) , 6.77 (s, 1H), 6.99 (dd, J= 6.8, 8.8 Hz, 1H), 7.46 (dd, J= 1.2, 8.8 Hz, 1H). Example 9
N, N-Dicyclopropylmethyl-2.- [2-ethyl-7- (4-methoxy-2-methylphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine

(Yellow oil) lE NMR (400MHz, CDC13) 5 -O.02-O.06 (m, 4H), 0.30-O.38

2.08 (s, 3H) , 2.81 (q, J = 7.5 Hz, 2H) , 3.00 (d, J = 6.6 Hz, 4H) , 3.86 (s, 3H) , 6,49 (dd, J= 1.4, 6.7 Hz, 1H), 6.80-6.90 (m, 2H) , 6.99 (dd, J = 6.8, 9.0 Hz, 1H), 7.34 (d, J = 8.2 Hz, 1H) , 7.48 (dd, J - 1.4, 8.9 Hz, 1H) . MS (ESI) m/z 390 MH+ Example 10
N- [7-(4-Chloro-2-methoxyphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine (Yellow oil)
lB. NMR (400MHz, CDC13) 6 -O.02-O.06 (m, 4H) , 0.30-O.37 (m, 4H) , 0.76-O.88 (m, 2H) , 1.25 (t, J= 7.5 Hz, 3H) , 2.79 (q, J = 7.5 Hz, 2H) , 2.98 (d, J = 6.6 Hz, 4H) , 3.75 (s, 3H), 6,57 (dd, J= 1.3, 6.8 Hz, 1H), 6.97 (dd, J = 6.8., 8.8 Hz, 1H) , 7.01 (d, J = 2.0 Hz, 1H) , 7.05 (dd, J = 2.0, 8.1 Hz, 1H) , 7.46 (d, J" = 1.6 Hz, 1H) , 7.48 (d, J = 1.3 Hz, 1H).
MS (ESI) m/z 410 MH+ Example 11
N, 7\f-Dicyclopropylmethyl-.N- [2-ethyl-7- (4-methoxy-2, 6-dimethylphenyDpyrazolo[1, 5-alpyridin-3-yI]amine (Yellow crystals) lE NMR " (400MHz, CDC13) 5 -O.02-O.06 (m, 4H) , 0.30-O.40

(m, 4H) , 0.81-O.94 (m, 2H) , 1.24 (t, J= 7.5.Hz, 3H) , 2.04 (s, 6H) , 2.81 (q, J = 7.5 Hz, 2H) , 3.03 (d, J =

1H), 6.73 (s, 2H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H), 7.49 (dd, J = 1.4, 8.9 Hz, 1H). MS (ESI) m/z 404 MH+ Example 12
N, N-Dicyclopropylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ 0.00-O.04 (m, 4H) , 0.30-O.36 (m, 4H) , 0.80-O.90 (m, 2H) , 1.23 (t, J = 7.6 Hz, 3H) , 2.43 (s, 3H) , 2.78 (q, J = 7.6 Hz, 2H) , 2.98 (d, J = 6.8 Hz, 4H) , 3.69 (s, 6H) , 6.51 (s, 2H) , 6.56 (dd, J = 1.6, 6.8 Hz, 1H) , 6.98 (dd, J= 6.8, 8.8 Hz, 1H) , 7.44 (dd, J = 1.6, 8.8 Hz, 1H). Example 13
N,N-Dicyclopropylmethyl-N- [7-(2,4-dimethoxy-6-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]amine (Colorless crystals)
1H NMR (400MHz, CDC13) δ -O.02- -O.03 (m, 2H) , 0.29-0.35 (m, 2H) , 0.80-O.90 (m, 1H) , 1.23 (t, J = 7.6 Hz, 3H) , 2.00 (s, 3H), 2.74-2.84 (m, 2H), 2.99 (d, J= 6.4 Hz, 2H) , 3.67 (s, 3H) , 3.86 (s, 3H) , 6.44 (d, J= 2.0 Hz, 1H) , 6.47-6.50 (m, 2H) , 6.98 (dd, J = 6.8, 8.8 Hz, 1H), 7.45 (dd, J= 1.6, 8.8 Hz, 1H).'

Example 14
N,N Dicyclopropylmethyl-N-[2-ethyl-7- (2,4,6-
trimethoxyphenyl) pyrazolo [ 1, 5-a ]
(Light yellow crystals)
1H NMR (400MHz, CDC13) δ 0.00-O.04 (m, 4H), 0.30-O.36 (m, 4H) , 0.80-O.90 (m, 2H) , 1.23 (t, J = 7.6 Hz, 3H) ,
2.79 (q, J = 7.6 Hz, 2H) , 2.99 (d, J = 6.8 Hz, 4H) ,
3.69 (s, 6H) , 3.88 (s, 3H) , 6.25 (s, 2H), 6.55 (dd, J =
1.6, 6.8 Hz, 1H) , 6.98 (dd, J= 6.8, 8.8 Hz, 1H) , 7.43
(dd, J = 1.6, 8.8 Hz, 1H).
Example 15
N, N-Dicyclopropylmethyl-N- [7-(2,4-dimethoxyphenyl)-2-
ethylpyrazolo[1,5-a]pyridin-3-yl]amine
(Yellow oil) lE NMR (400MHz, CDC13) 6 0.00-O.05 (m, 4H) , 0.32-O.38
(m, 4H) , 0.80-O.90 (in, 2H) , 1.26 (t, J = 7.6 Hz, 3H) , 2.80 (q, J = 7.6 Hz, 2H) , 2.98 (d, J = 6.8 Hz, 4H) , 3.74 (s, 3H) , 3.87 (s, 3H) , 6.57-6.63 (m, 3H) , 6.97 (dd, J = 6.8, 8.8 Hz, 1H) , 7.44 (dd, J = 1.6, 8.8 Hz, 1H) , 7.48 (dd, J= 1.2, 7.6 Hz, 1H). Example 16
N, N-Dicyclopropylmethyl-N- [2-ethyl-7- (2-methoxy-4-methylphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
XH NMR (400MHz, CDC13) 5 0.00-O.05 (m, 4H), 0.32-O.38 (m, 4H) , 0.80-O.90 (m, 2H) , 1.26 (t, J = 7.6 Hz, 3H) ,

2.43 (s, 3H) , 2.80 (q, J = 7.6 Hz, 2H) , 2.99 (d, J =
6.8 Hz, 4H) , 3.75 (s, 3H) , 6.59 (dd, J= 0.8, 6.8 Hz,
(dd, J = 6.8, 8.8 Hz, 1H) , 7.41 (d, J = 7.6 Hz, 1H) ,
7.45 (dd, J = 0.8, 8.8 Hz, 1H).
Example 17
N,N-Dicyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4-
trifluoromethylphenyl)pyrazolo[1, 5-a]pyridin-3-yl]amine
(Yellow oil)
XH NMR (400MHz, CDC13) 5 0.01-O.06 (m, 4H) , 0.32-O.37 (m, 4H) , 0.78-O.80 (m, 2H) , 1.26 (t, J = 7.6 Hz, 3H) ,
2.80 (q, J = 7.6 Hz, 2H) , 2.99 (d, J = 6.8 Hz, 4H) ,
3.80 (s, 3H), 6.61 (dd, J= 1.2, 6.8 Hz, 1H), 7.00 (dd, J = 6.8, 8.8 Hz, 1H) , 7.24 (br s, 1H) , 7.34 (br d J = 7.6 Hz, 1H) , 7.51 (dd, J= 1.2, 8.8 Hz, 1H),7.65 (d, J = 7.6 Hz, 1H) .
Example 18
N-[l~(4-Chloro-2,6-dimethoxyphenyl)-2-
ethylpyrazolo[1,5-a]pyridin-3-yl]-N, N-
dicyclopropylmethylamine
(Yellow oil) lH NMR (400MHz, CDCI3) 5 -O.02-O.06 (m, 4H) , 0.30-O.38
(m, 4H) , 0.78-O.91 (m, 2H) , 1.23 (t, J= 7.5 Hz, 3H) , 2.79 (q, J = 7.5 Hz, 2H) , 2.99 (d, J = 6.6 Hz, 4H) , 3.70 (s, 6H) , 6,54 (dd, J= 1.5, 6.8 Hz, 1H) , 6.69 (s, 2H) , 6.98 (dd, J= 6.'8, 8.8 Hz, 1H) , 7.46 (dd, J= 1.5,

8.8 Hz, 1H). MS (ESI) m/z 44 0 MH+
a]pyridin-3-yl]-N,N-dicyclopropylmethylamine (Yellow oil)
1H NMR (400MHz, CDCl3) 5 -O.02-O.06 (m, 4H), 0.30-O.38 (m, 4H) , 0.77-O.90 (m, 2H) , 1.26 (t, J = 7.5 Hz, 3H) , 2.80 (q, J = 7.5 Hz, 2H) , 2.99 (d, J = 6.6 Hz, 4H) , 3.86 (s, 3H), 6,55 (dd, J= 1.3, 6.8 Hz, 1H), 6.92 (dd, J = 2.6, 8.6 Hz, 1H) , 6.99 (dd, J = 6.8, 9.0 Hz, 1H) , 7.06 (d, J = 2.4 Hz, 1H) , 7.47 (d, J = 8.4 Hz, 1H) , 7.49 (dd, J = 1.3, 8.8 Hz, 1H).
MS(ESI) m/z 410 MH+ Example 20
N, N-Dicyclopropylmethyl-N- [7-(2,4-dichloro-6-methoxyphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]amine (White crystals)
1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 4H) , 0.30-O.40 (m, 4H) , 0.79-O.92 (m, 2H) , 1.24 (t, J = 7.5 Hz, 3H) , 2.80 (dq, J = 2.2, 7.5 Hz, 2H) , 3.00 (d, J = 6.8 Hz, 4H) , 3.72 (s, 3H) , 6,55 (dd, J= 1.5, 6.8 Hz, 1H), 6.94 (d, J = 1.8 Hz, 1H) , 7/01 (dd, J = 6.8, 8.8 Hz, 1H) , 7.17 (d, J = 1.8 Hz, 1H) , 7.52 (dd, J = 1.4, 8.9 Hz, 1H) . MS (ESI) m/z 444 MH+

Example 21
N, N-Dicyclopropylmethyl-N-[2-ethyl-7-(4-methoxy-2-

(Yellow oil)
lE NMR (400MHz, CDC13) δ -O.03-O.03 (m, 4H) , 0.30-O.36 (m, 4H) , 0.78-O.86 (m, 2H) , 1.21 (t, J = 7.6 Hz, 3H) ,
2.70-2.82(m, 2H, 2.98 (d, J= 6.4 Hz, 4H), 3.91 (s, 3H),
6.49 (d, J = 6.0 Hz, 1H) , 6.98 (dd, J = 6.8, 8.8 Hz,
1H), 7.16 (dd, J= 2.8, 8.8 Hz, 1H) , 7.26-7.32 (m, 1H),
7.45-7.51 (m, 2H).
Example 22
N- [7-(2-Chloro-6-methoxy-4-methylphenyl)-2-
ethylpyrazolo [1, 5-a]pyridin-3-yl] -N, A7-
dicyclopropylmethy1amine
(Light yellow crystals) 1H NMR (400MHz, CDCl3) 5 0.00-O.04 (m, 4H) , 0.32-O.36
(m, 4H) , 0.80-O.92 (m, 2H) , 1.23 (t, J = 8.0 Hz, 3H) , 2.42 (s, 3H) , 2.76-2.84 (m, 2H) , 3.00 (d, J= 6.4 Hz, 4H), 3.70 (s, 3H), 6.55 (dd, J= 1.6, 6.8 Hz, 1H), 6.76
(br s, 1H) , 6.98 (br s, 1H), 7.01 (dd, J= 6.8, 8.8 Hz,
1H), 7.50 (dd, J= 1.6, 8.8 Hz, 1H) .
Example 23
N- [7-(2,4-Dichlorophenyl)-2-ethylpyrazolo[1,5-
a]pyridin-3-yl]-N- (3-hexyl) amine
After dissolving [7-(2,4-dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]amine (30 mg) in

acetic acid (1 mL) , 3-hexanone (0.024 mL) and sodium sulfate (139 mg) were added and the mixture was stirred
at room
triacetoxyborohydride (41.5 mg) was then added, and stirring was continued for 2 hours. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with saturated aqueous sodium hydrogencarbonate and brine. After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (21 mg) was obtained from the n-hexane:ethyl acetate (30:1) fraction as a yellow oil.
1H NMR (400MHz, CDC13) δ 0.86-O.93 (m, 3H) , 0.97 (t, J = 7.6 Hz, 3H) , 1.22-1.30 (m, 5H) , 1.40-1.54 (m, 4H) , 2.72-2.80 (m, 2H), 2.94-3.02 (m, 1H), 6.54-6.60 (m, 1H) , 6.98-7.06 (m, 1H) , 7.25-7.27 (m, 1H) , 7.36 (dd, J= 2.0, 8.4 Hz, 1H), 7.48 (d, J = 8.4 Hz, 1H) , 7.54 (d, J = 2.0 Hz, 1H). Example 2 4
N-[7-(2,4-Dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N- (2-methoxyethyl)amine
After dissolving tert-butyl N-[7-(2,4-dichlorophenyl)-2-ethylpyrazolo[1, 5-a]pyridin-3-yl]carbamate (57 mg) in N, N-dimet-hylf ormamide (2 mL) ,

sodium hydride (60%, 7.3 mg) was added while cooling on ice, and then 2-bromoethyl methyl ether (0.015 rciL) was
added and the mixture was stirred added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine. The obtained organic layer was dried over anhydrous magnesium sulfate and filtered, and then the solvent was concentrated under reduced pressure to obtain a crude product. This was dissolved in ethyl acetate (1 mL) without purification, a 4 N hydrochloric acid/ethyl acetate solution (2 mL) was added, and the mixture was stirred at room temperature for 1 hour. The reaction mixture was neutralized with 5 N aqueous sodium hydroxide while cooling on ice, and then extraction was performed with ethyl acetate and the organic layer was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (46 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as a yellow oil. lE NMR (400MHz, CDC13) δ 1.26 (t, J= 7.6 Hz, 3H) , 2.77 (q, J = 7.6 Hz, 2H) , 3.25 (t, J= 4.8 Hz, 2H) , 3.41 (s', 3H) , 3.50 (t, J = 4.8 Hz, 2H) , 6.57 (dd, J = 1.6, 6.8 Hz, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H) , 7.37 (dd, J =

2.0, 8.4 Hz, 1H) , 7.47 (d, J= 8.4 Hz, 1H), 7.50-7.53 (m, 1H), 7.54 (d, J= 2.0 Hz, 1H).
Ex amp I e 25
N- [7-(2,4-Dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-(2-methoxyethyl)-N-propylamine
N-[l-(2,4-Dichlorophenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N- (2-methoxyethyl)amine (14 mg) was dissolved in tetrahydrofuran (1 mL) , and after adding propionaldehyde (0.016 mL) and 3 M aqueous sulfuric acid (0.77 mL) , sodium borohydride (5.8 mg) was added in five portions while vigorously stirring on ice, and stirring was continued for 30 minutes. Water was added to the reaction mixture, extraction was performed with diethyl ether and the extract was washed with saturated aqueous sodium hydrogencarbonate and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure and the residue was purified by preparative TLC [n-hexane:ethyl acetate (5:1), Rf=0.5] to obtain the title compound (9.5 mg) as a light yellow oil. 1H NMR (400MHz, CDC13) δ 0.87 (t, J= 7.6 Hz, 3H) , 1.23 (t, J = 7.6 Hz, 3H) , 1.34-1.44 (m, 2H) , 2.75 (q, J = 7.6 Hz, 2H), 3.08 (dd, J= 6.4, 7.2 Hz, 2H) , 3.28 (t, J = 6.0 Hz, 2H) , 3.29 (s, 3H) , 3.35 (t, J= 6.0 Hz, 2H) , 6.59 (dd, J- 1.6, 6.8 Hz, 1H) , 7.03 (dd, J- 6.8, 8.8 Hz, 1H), 7.37 (dd, 'J = 2.0, 8.4 Hz, 1H) , 7.50 (d, J =

8.4 Hz, 1H), 7.52 (dd, J= 1.6, 8.8 Hz, 1H), 7.54 (d, J
= 2.0 Hz, 1H).
The compounds _
synthesized according to the production method of
Example 25.
Example 2 6
N-Cyclopropylmethyl-N- [7-(2, 4-dichlorophenyl)-2-
ethylpyrazolo[1,5-a]pyridin-3-yl]-N-(2-methoxyethyl)amine
(Light yellow oil) 1H NMR (400MHz, CDC13) δ 0.01-O.03 (m, 2H) , 0.34-O.38
(m, 2H) , 0.80-O.90 (m, 1H) , 1.25 (t, J = 7.6 Hz, 3H) , 2.77 (q, J = 7.6 Hz, 2H) , 2.98 (d, J = 6.4 Hz, 2H) , 3.29 (s, 3H) , 3.37 (br s, 4H) , 6.58 (dd, J = 1.6, 6.8 Hz, 1H) , 7.03 (dd, J= 6.8, 9.2 Hz, 1H) , 7.38 (dd, J = 2.0, 8.4 Hz, 1H), 7.50 (d, J= 8.4 Hz, 1H) , 7.53 (dd, J = 1.6, 9.2 Hz, 1H), 7.55 (d, J = 2.0 Hz, 1H). Example 27
N- [7-(2,4-Dichlorophenyl)-2-ethylpyrazolo[l,5-a]pyridin-3-yl]-N-isobutyl-N- (2-methoxyethyl)amine (Light yellow oil)
^ NMR (400MHz, CDC13) δ 0.91 (d, J= 6.8 Hz, 6H), 1.24
(t, J = 7.6 Hz, 3H) , 1.52-1.62 (m, 1H) , 2.76 (q, J =
7.6 Hz, 2H), 2.92 (d, J= 7.2 Hz, 2H), 3.23 (t, J= 6.0
Hz, 2H) , 3.29 (s, 3H) , 3.37 (t, J= 6.0 Hz, 2H) , 6.57-
6.60' (m, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H) , 7.67 (dd,

J = 2.0, 8.4 Hz, 1H) , 7.50 (d, J = 8.4 Hz, 1H) , 7.52-7.55 (m, 1H), 7.54 (d, J= 2.0 Hz, 1H).
Example 2 8 N- [2-Ethyl-7-(2-methoxy-4, 6-
dimethylphenyDpyrazolo[1, 5-a]pyridin-3-yl]-N-isobutyl-
N-(2-methoxyethyl)amine (Light yellow oil)
XH NMR (400MHz, CDC13) 5 0.85-O.95 (m, 6H) , 1.16-1.26 (m, 3H) , 1.52-1.62 (m, 1H) , 1.97 (s, '3H) , 2.39 (s, 3H) , 2.70-2.80 (m, 2H), 2.87-2.95 (m, 2H) , 3.20-3.40 (m, 4H) , 3.68 (s, 3H) , 6.47-6.54 (m, 1H) , 6.69 (s, 1H), 6.77 (s, 1H), 6.98-7.06 (m, 1H), 7.42-7.50 (m, 1H).
Example 29
N- [2-Ethyl-7-(2-methoxy-4, 6-
dimethylphenyDpyrazolo[1, 5-a]pyridin-3-yl]-N-isobutyl-
N-(2-methoxyethyl)amine (Light yellow oil)
MS(ESI) m/z 396 MH+ Example 3 0
N- [2-Ethyl-7-(2-methoxy-4, 6-
dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N- (3-fluoropropyl)-N-propylamine
(Light yellow oil) 1H NMR (400MHz, CDC13) 5 0.88 (t, J= 7.6 Hz, 3H) , 1.20
(t, J = 7.6 Hz, 3H) , 1.38-1.46 (m, 2H) , 1.68-1.82 (m,
2H),' 1.98 (s, 3H) , 2.39 (s, 3H) , 2.73 (q, J = 7.6 Hz,

2H) , 3.00-3.05 (m, 2H) , 3.22 (t, J= 6.8 Hz, 2H) , 3.68 (s, 3H), 4.52 (td, J= 6.0, 47.6 Hz, 2H), 6.52 (dd, J=
J= 6.8, 8.8 Hz, 1H), 7.42 (dd, J= 1.6, 8.8 Hz, 1H).
Example 31
N- [2-Ethyl-7-(2-methoxy-4,6-
dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-propyl-N-
tetrahydro-2-furanylmethylaraine
(Light yellow oil) MS(ESI) m/z 422 MH+
Example 32
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4, 6-
dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propylamine
(Light yellow oil)
MS(ESI) m/z 392 MH+ Example 33
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (2-methoxyethyl)amine
(Light yellow oil)
MS(ESI) m/z 408 MH+ Example 34
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (3-fluoropropyl)amine

(Light yellow oil) 1H NMR (400MHz, CDC13) δ -O.02-O.02 (m, 2H), 0.32-O.38
(m, 2H) , 0.80-O.90 1.70-1.82 (m, 2H) , 1.97 (s, 3H), 2.39 (s, 3H), 2.74 (q, J= 7.6 Hz, 2H), 2.92 (d, J= 6.8 Hz, 2H), 3.30 (t, J= 6.8 Hz, 2H) , 3.68 (s, 3H) , 4.55 (td, J= 6.0, 47.2 Hz, 2H), 6.51 (dd, J = 1.2, 6.8 Hz, 1H), 6.69 (s, 1H). 6.77 (s, 1H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.44 (dd, J =» 1.2, 8.8 Hz, 1H). Example 35
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylamine (Light yellow oil) MS (ESI) m/z 434 MH+ Example 3 6
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyDpyrazolo [1, 5-a]pyridixL-3-yl] -N-tetrahydro-3-furanylmethylamine (Yellow oil)
lE NMR (400MHz, CDC13) δ -O.02-O.03 (m, 2H), 0.33-O.40 (m, 2H) , 0.80-O.90 (m, 1H) , 1.21 (t, J = 7.2 Hz, 3H) , 1.60-1.70 (m, 1H) , 1.88-1.98 (m, 1H) , 1.99 (s, 3H) , 2.23-2.32 (m, 1H) , 2.40 (s, 3H) , 2.76 (q, J = 7.2 -Hz, 2H) , 2.92 (d, J= 6.4 Hz, 2H) , 3.06-3.13 (m, 1H) , 3'.21-3.28 (m, 1H) , 3.60-3.65 (m, 1H) , 3.66-3.72 (m, 4H) ,

3.73-3.86 (m, 2H) , 6.52 (br d, J = 6.8 Hz, 1H), 6.70 (s, 1H), 6.78 (s, 1H), 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.45

Example 37
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.34-O.40 (m, 2H) , 0.80-O.90 (m, 1H) , 1.21 (t, J= 7.2 Hz, 3H) , 1.55-1.67 (m, 1H) , 1.86-1.96 (m, 1H) , 2.43 (s, 3H) , 2.74 (q, J = 7.2 Hz, 2H) , 2.90 (d, J = 6.8 Hz, 2H) , 3.04-3.11 (m, 1H), 3.20-3.26 (m, 1H), 3.58-3.84 (m, 7H), 6.51 (s, 2H) , 6.57-6.60 (m, 1H) , 6.98-7.04 (m, 1H) , 7.40-7.44 (m, 1H). Example 38
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylamine (Light yellow oil)
XB. NMR (400MHz, CDC13) δ -O.01-O.04 (m, 2H) , 0..32-O.38 (m, 2H) , 0.80-O.90 (m, 1H) , 1.22 (t, J = 7.6 Hz, 3H) , 1.62-1.70 (m, 1H) , 1.75-1.95 (m, 3H) , 2.43 (s, 3H) , 2.77 (q, J = 7.6 Hz, 2H) , 2.96 (d, J = 6.8 Hz, 2H) , 3.03-3.10 (m, 1H), 3.40-3.46 (m, 1H) , 3.64-3.72 (m, 4H), 3.80-3.90 (m, 2H) ,' 6.51 (s, 2H) , 6.57 (dd, J= 1.2, 6.8

Hz, 1H) , 7.00 (dd, J = 6.8, 8.8 Hz, ' 1H) , 7.46 (dd, J = 1.2, 8.8 Hz, 1H).
Example 39
N-Cyclopropyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N- (1,3-dioxolan-2-ylmethyl)amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.32-O.38 (m, 2H) , 0.80-O.90 (m, 1H) , 1.22 (t, J= 7.6 Hz, 3H) , 2.41 (s, 3H) , 2.77 (q, J = 7.6 Hz, 2H) , 3.01 (d, J = 7.2 Hz, 2H) , 3.35 (d, J = 4.4 Hz, 2H) , 3.68 (s, 6H) , 3.78-3.84 (m, 2H) , 3.94-3.98 (m, 2H), 4.90 (t, J= 4.4 Hz, 1H) , 6.49 (s, 2H) , 6.56 (dd, J= 1.2, 6.8 Hz, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H), 7.44 (dd, J= 1.2, 8.8 Hz, 1H). Example 40
N-Cyclopropylmethyl-N-[7-(2, 4-dimethoxy-6-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine
After dissolving N-(7-bromo-2-ethylpyrazolo[1,5-
a]pyridin-3-yl)-N-cyclopropylmethyl-N-tetrahydro-3-
furanylmethylamine (150 mg) in 1,2-dimethoxyethane (20
ruL) and water (10 mL) , 2,4-dimethoxy-6-
methylphenylboric acid (155 mg),
tetrakis(triphenylphosphine)palladium (O) complex (92 mg) and barium hydroxide octahydrate (250
added and the mixture was heated and stirred at 80°C for 1 hour. Water was added to the reaction mixture,
extraction was perforated with organic layer was washed with brine, dried over anhydrous magnesium sulfate and filtered, and the solvent was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography, and the title compound (88 mg) was obtained from the n-hexane:ethyl acetate (6:1) fraction as a yellow oil. 1H NMR (400MHz, CDCl3) 5 -O.02-O.04 (m, 2H) , 0.32-O.41 (m, 2H) , 0.80-O.92 (m, 1H) , 1.23 (t, J = 7.5 Hz, 3H) , 1.58-1.70 (m, 1H) , 1.87-2.00 (m, 1H) , 2.02 (s, 3H) ,
2.22-2.34 (m, 1H) , 2.76 (dq, J= 1.8, 7.5 Hz, 2H), 2.92 (dd, J= 1.7, 6.8 Hz, 2H), 3.06-3.14 (m, 1H), 3.20-3.29 (m, 1H) , 3.60-3.65 (m, 1H), 3.66-3.88 (m, 3H), 3.68 (s,
3H), 3.87 (s, 3H), 6.45 (d, J= 2.4 Hz, 1H), 6.49 (d, J
= 2.2 Hz, 1H) , 6.52 (dd, J= 0.9, 6.8 Hz, 1H) , 7.03 (dd,
J = 6.8, 8.8 Hz, 1H), 7.42-7.48 (m, 1H).
The compounds of Examples 41 to 4 6 were
synthesized according to the production method of
Example 40.
Example 41
N-Cyclopropylmethyl-N-[2-ethyl-7-(4-methoxy-2,6-
dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-
tetrahydro-3-furanylmethylamine

(Yellow crystals) 1H NMR (400MHz, CDC13) 5 -O.03-O.06 (m, 2H) , 0.33-O.42
(nw 2HK 0.80-O.92 1.60-1.73 (m, 1H) , 1.90-2.02 (m, 1H) , 2.04 (s, 6H) , 2.24-2.38 (m, 1H), 2.78 (q, J= 7.5 Hz, 2H) , 2.94 (d, J = 6.8 Hz, 2H) , 3.13 (dd, J = 8.6, 12.0 Hz, 1H) , 3.27 (dd, J= 6.6, 12.0 Hz, 1H) , 3.64 (dd, J= 5.5, 8.6 Hz, 1H), 3.68-3.90 (m, 3H), 3.87 (s, 3H), 6.48 (dd, J= 1.3, 6.6 Hz, 1H) , 6.74 (s, 2H) , 7.05 (dd, J= 6.6, 8.8 Hz, 1H), 7.48 (dd, J= 1.3, 8.8 Hz, 1H). Example 42
N-[7-(4-Chloro-2-methoxyphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-cyclopropylmethyl-N-tetrahydro-3-furanylmethylamine (Light brown oil)
1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H), 0.34-O.42 (m, 2H) , 0.78-O.90 (m, 1H) , 1.25 (t, J= 7.5 Hz, 3H) , 1.58-1.69 (m, 1H), 1.85-1.96 (m, 1H), 2.18-2.32 (m, 1H), 2.76 (q, J = 7.5 Hz, 2H) , 2.90 (d, J = 6.8 Hz, 2H) , 3.08 (dd, J = 8.6, 12.0 Hz, 1H) , 3.23 (dd, J = 6.8, 12.0 Hz, 1H), 3.58-3.86 (m, 4H) , 3.76 (s, 3H) , 6.61 (dd, J= 1.3, 6.8 Hz, 1H), 6.98-7.04 (m, 2H) , 7.06 (dd, J = 1.9, 8.1 Hz, 1H), 7.45 (dd, J= 1.3, 8.9 Hz, 1H), 7.46 (d, J = 8.1 Hz, 1H). Example 4 3 N-Cyclopropylmethyl-N- [2-ethyl-7-(2-[2-(fluoromethoxy)-
1

4,6-dimethylbenzyl]oxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine
(m, 2H) , 0.72-O.85 (m, 1H) , 1.17 (t, J= 7.5 Hz, 3H) , 1.56-1.70 (m, 1H) , 1.84-1.96 (m, 1H) , 1.88 (s, 3H) ,
1.96 (s, 3H), 2.23 (s, 3H), 2.16-2.26 (m, 1H) , 2.40 (s,
3H), 2.64-2.78 (m, 2H), 2.80-2.94 (m, 2H), 3.02-3.10 (m,
1H), 3.14-3.25 (m, 1H) , 3.56-3.86 (m, 4H), 4.87 (d, J=
11.0 Hz, 1H) , 5.03 (d, J= 11.0 Hz, 1H) , 5.38 (s, 1H) ,
5.52 (s, 1H) , 6.42 (dd, J= 1.4, 6.9 Hz, 1H) , 6.60 (s,
1H) , 6.70 (s, 1H) , 6.78 (s, 1H) , 6.91 (s, 1H) , 6.90-
6.97 (m, 1H), 7.37 (dd, J= 1.3, 8.8 Hz, 1H).
Example 44
N-[7-(2-Chloro-6-methoxy-4-methylphenyl)-2-ethylpyrazolo [1, 5-a]pyridin-3-yl] -N-cyclopropylraethyl-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.02-O.06 (m, 2H), 0.32-O.42 (m, 2H) , 0.78-O.92 (m, 1H) , 1.22 (t, J= 7.6 Hz, 3H) , 1.58-1.70 (m, 1H), 1.86-1.98 (m, 1H), 2.22-2.34 (m, 1H), 2.42 (s, 3H), 2.70-2.82 (m, 2H) , 2.91 (dd, J- 1.6, 6.8 Hz, 2H) , 3.04-3.14 (m, 1H) , 3.24 (dd, J= 6.7, 12.0 Hz, 1H), 3.59-3.87 (m, 4H) , 3.70 (s, 3H), 6.58 (dd, J='l.3, 6.8 Hz, 1H) , 6.75 (s, 1H) , 6.98 (s, 1H) , 7.04 (dd, J = 6.8, 8.9 Hz, 1H), 7.44-7.51 (m, 1H).

Example 45
N-Cyclopropylmethyl-N-2-ethyl-7- [2- (fluoromethoxy) -4, 6-
dimethylphenyl]pyrazolo [1, 5-a]pyridin-~3-yl-./v-~
tetrahydro-3-furanylmethylamine
(Yellow oil) 1H NMR (400MHz, CDC13) 5 -O.03-O.08 (m, 2H) , 0.33-O.44
(m, 2H) , 0.80-O.94 (m, 1H) , 1.23 (t, J = 7.6 Hz, 3H) ,
1.60-1.74 (m, 1H) , 1.89-2.01 (m, 1H) , 2.08 (s, 3H) , 2.22-2.36 (m, 1H) , 2.43 (s, 3H) , 2.72-2.83 (m, 2H) , 2.93 (d, J= 6.8 Hz, 2H) , 3.08- 3.16 (m, 1H), 3.22-3.31
(m, 1H), 3.58-3.92 (m, 4H) , 5.32 (d, J= 2.6 Hz, 0.5H), 5.45 (d, J= 2.7 Hz, 0.5H), 5.54 (d, J= 2.7 Hz, 0.5H), 5.68 (d, J= 2.7 Hz, 0. 5H) , 6.56 (dd, J= 1.3, 6.8 Hz, 1H) , 6.97 (s, 1H) , 7.01 (s, 1H) , 7.07 (dd, J= 6.8, 8.8 Hz, 1H), 7.49 (dd, J= 1.3, 8.8 Hz, 1H). Example 4 6
N- [7-(2,6-Dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-propyl-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) 5 0.88 (t, J= 7.3 Hz, 3H) , 1.21 (t, J = 7.5 Hz, 3H) , 1.34-1.46 (m, 2H) , 1.54-1.68 (m, 1H), 1.85-1.96 (m, 1H), 2.18-2.32 (m, 1H) , 2.43 (s, 3H), 2.73 (q, J= 7.5 Hz, 2H), 2.94-3.05 (m, 3H), 3.14 (dd, J= 6.6, 12.0 Hz, 1H) , 3.58 (dd, J= 5.5, 8.4 Hz, 1H) , 3.62-3.85 (m, 3H)', 3.69 (s, 6H) , 6.51 (s, 2H) , 6.59 (dd,

J = 1.5, 6.8 Hz, 1H) , 7.01 (dd, J = 6.8, 8.8 Hz, 1H) , 7.40 (dd, J- 1.3, 8.8 Hz, 1H).
Example 47
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] - Arte trah.ydro-2.H-4-pyr any liaethylamine
After dissolving N-cyclopropylmethyl-N-[2-ethyl-7- (2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl] amine (255 mg) in tetrahydrofuran (2 mL) , tetrahydro-2H-4-pyrancarbaldehyde (173 mg) [CAS No.50675-18-8] and sodium triacetoxyborohydride (241 mg) were added, and the mixture was stirred at room temperature for 1 hour. Saturated aqueous sodium hydrogencarbonate was added to the reaction mixture, extraction was performed with ethyl acetate, and the extract was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (134 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as a yellow oil. 1H NMR (400MHz, CDC13) δ -O.04-O.00 (m, 2H), 0.31-O.35 (m, 2H) , 0.76-O.88 (m, 1H) , 1.20 (t, J = 7.6 Hz, 3H) , 1.24-1.34 (m, 2H), 1.54-1.65 (m, 1H), 1.72-1.80 (m, 2H) , 1.98 (s, 3H) , 2.39 (s, 3H) , 2.74 (dq, J= 1.-6, 7.6 Hz,

2H) , 2.88 (d, J= 6.8 Hz, 2H), 3.04 (d, J= 6.8 Hz, 2H) , 3.31 (dt, J = 2.0, 11.6 Hz, 2H) , 3.68 (s, 3H) , 3.92-

1H), 6.77 (s, 1H) , 7.01 (dd, J= 6.8, 8.8 Hz, 1H), 7.44 (dd, J = 1.6, 8.8 Hz, 1H).
The compounds of Examples 4 8 to 61 were
synthesized according to the production method of
Example 47.
Example 48
N-Cyclopropylmethyl-N- [2-ethyl-7-(4-methoxy-2,6-
dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-
tetrahydro-2ff-4-pyranylamine
(White crystals) 1H NMR (400MHz, CDC13) 6 -O.02-O.05 (m, 2H) , 0.34-O.42
(m, 2H) , 0.78-O.90 (m, 1H) , 1.31 (t, J = 7.5 Hz, 3H) ,
1.56-1.70 (m, 2H) , 1.88-1.98 (m, 2H) , 2.12 (s, 6H) , 2.86 (q, J = 7.5 Hz, 2H) , 3.10 (d, J = 6.8 Hz, 2H) , 3.33-3.44 (m, 1H) , 3.50 (dt, J = 2.0, 12.0 Hz, 2H) , 3.95 (s, 3H), 4.04-4.12 (m, 2H) , 6,56 (dd, J= 1.4, 6.7 Hz, 1H) , 6.82 (s, 2H) , 7.13 (dd, J= 6.8, 8.8 Hz, 1H) , 7.53 (dd, J = 1.4, 8.8 Hz, 1H).
MS (ESI) m/z 434 MH+ Example 4 9
N- [1-(4-Chloro-2,6-dimethoxyphenyl)-2-
ethylpyrazolo[1,5-a]pyridin-3-yl]-N-cyclopropylmethyl-N- tetrahydro-2H-4-pyranylamine

(Yellow oil) 1H NMR (400MHz, CDC13) 5 -O.02-O.06 (m, 2H) , 0.30-O.40

1.51-1.64 (m, 2H), 1.83-1.92 (m, 2H) , 2.83 (q, J= 7.5
Hz, 2H) , 3.05 (d, J = 6.,6 Hz, 2H) , 3.26-3.38 (m, 1H) ,
3.44 (dt, J = 2.0, 12.0 Hz, 2H) , 3.77 (s, 6H) , 3.98-
4.06 (m, 2H) , 6,64 (dd, J= 1.4, 6.9 Hz, 1H) , 6.76 (s,
2H) , 7.08 (dd, J= 6.9, 8.8 Hz, 1H) , 7.48 (dd, J= 1.4,
8.8 Hz, 1H).
MS (ESI) m/z 47 0 MH+ Example 50
N- [2-Ethyl-7-(4-methoxy-2,6-
dimethylphenyl)pyrazolo[l,5-a]pyridin-3-yl]-N-propyl-N-
tetrahydro-2ff-4-pyranylamine
(White crystals) 1H NMR (400MHz, CDCI3) 5 0.85 (t, J = 7.4 Hz, 3H), 1.19 (t, J= 7.5 Hz, 3H) , 1.25-1.38 (m, 2H) , 1.46-1.60 (m, 2H), 1.74-1.83 (m, 2H), 2.01 (s, 6H), 2.72 (q, J= 7.4 Hz, 2H), 3.08 (t, J = 7.2 Hz, 2H), 3.11-3.22 (m, 1H) , 3.37 (dt, J = 2.0, 12.0 Hz, 2H) , 3.84 (s, 3H) , 3.92-4.00 (m, 2H) , 6,45 (dd, J= 1.4, 6.6 Hz, 1H) , 6.70 (s, 2H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.41 (dd, J= 1.4,
8.9 Hz, 1H). MS(ESI) m/z 422 MH+
Example 51
N- [7- (4-Chloro-2, 6-dimethoxyptienyl) -2-

ethylpyrazolo[1,5-a]pyridin-3-yl]-N-propyl-N-
tetrahydro-2H-4-pyranylamine

1H NMR (400MHz, CDC13) δ 0.84 (t, J = 7.3 Hz, 3H) , 1.20
(t, J = 7.5 Hz, 3H) , 1.23-1.37 (m, 2H) , 1.46-1.60 (m,
2H), 1.74-1.84 (m, 2H), 2.73 (q, J= 7.5 Hz, 2H) , 3.07
(t, J = 7.3 Hz, 2H) , 3.10-3.21 (m, 1H) , 3.36 (dt, J = 1.8, 12.0 Hz, 2H) , 3.70 (s, 6H) , 3.90-3.99 (m, 2H) , 6,57 (dd, J= 1.4, 6.9 Hz, 1H) , 6.69 (s, 2H), 7.01 (dd, J = 6.9, 8.9 Hz, 1H), 7.4 0 (dd, J = 1.4, 8.9 Hz, 1H).
MS(ESI) m/z 458 MH+ Example 52
N-Cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-tetrahydro-2.Ff-4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.10- -O.04 (m, 2H) , 0.24-0.32 (m, 2H) , 0.70-O.80 (m, 1H) , 1.21 (t, J = 7.6 Hz, 3H) , 1.46-1.60 (m, 2H), 1.76-1.84 (m, 2H) , 1.97 (s, 3H), 2.40 (s, 3H) , 2.70-2.80 (m, 2H) , 2.98 (d, J= 6.4 Hz, 2H), 3.22-3.30 (m, 1H), 3.34-3.42 (m, 2H), 3.68 (s, 3H) , 3.92-3.99 (m, 2H) , 6.51 (dd, J= 1.2, 6.8 Hz, 1H), 6.69 (s, 1H) , 6.77 (s, 1H), 7.02 (dd, J= 6.8, 9.2 Hz, 1H) , 7.40 (dd, J= 1.2, 9.2 Hz, 1H). Example 53 N-[2-Ethyl-7-(2-methoxy-4,6-

dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (3-fluoropropyl)-N-tetrahydro-2H-4-pyranylamine

*H NMR (400MHz, CDC13) 5 1.19 (t, J = 7.2 Hz, 3H) , 1.48-1.60 (m, 2H), 1.60-1.74 (m, 2H), 1.76-1.84 (m, 2H), 1.97 (s, 3H) , 2.40 (s, 3H) , 2.68-2.76 (m, 2H) , 3.12-3.20 (m, 1H) , 3.29 (t, J = 6.A Hz, 2H) , 3.36 (dt, J = 1.6, 11.6 Hz, 2H) , 3.69 (s, 3H) , 3.94-4.00 (m, 2H) , 4.51 (td, J = 5.6, 47.6 Hz, 2H), 6.54 (dd, J = 1.2, 6.8 Hz, 1H) , 6.69 (s, 1H) , 6.77 (s, 1H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.39 (dd, J= 1.2, 8.8 Hz, 1H). Example 54
[2-Ethyl-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(2-methoxyethyl)-N-tetrahydro-2H- 4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.20 (t, J = 7.6 Hz, 3H) , 1.47-1.58 (m, 2H) , 1.77-1.84 (m, 2H) , 1.98 (s, 3H) , 2.40 (s, 3H) , 2.68-2.76 (m, 2H) , 3.16-3.25 (m, 1H) , 3.26 (s, 3H) , 3.27-3.40 (m, 6H) , 3.69 (s, 3H) , 3.92-3.99 (m, 2H) , 6.53 (dd, J= 1.2, 6.8 Hz, 1H) , 6.70 (s, 1H), 6.77 (s, 1H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.40 (dd, J = 1.2, 8.8 Hz, 1H). Example 55
N-Cyclopropylmethyl-N-[7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1, 5-a]pyridin-3-yl]-N-

tetrahydro-2.ff-4-pyranylamine
(Yellow oil)

0.32 (m, 2H) , 0.70-O.80 (m, 1H) , 1.22 (t, J = 7.6 Hz,
/
3H) , 1.46-1.62 (m, 2H), 1.76-1.84 (m, 2H) , 2.43 (s, 3H) , 2.75 (q, J = 7.6 Hz, 2H) , 2.97 (d, J = 6.8 Hz, 2H) , 3.22-3.30 (m, 1H) , 3.32-3.40 (m, 2H) , 3.69 (s, 6H) , 3.92-3.98 (m, 2H), 6.51 (s, 2H) , 6.58 (dd, J- 1.6, 6.8 Hz, 1H) , 7.01 (dd, J= 6.8, 8.8 Hz, 1H), 7.39 (dd, J = 1.6, 8.8 Hz, 1H). Example 56
N- [7-(2,6-Dimethoxy-4-methylphenyl)-2-
ethylpyrazolo [1, 5-a]pyridin-3-yl'] -N- (3-f luoropropyl) -N-tetrahydro-2ff-4-pyranylamine (Yellow oil)
:H NMR (400MHz, CDC13) δ 1.20 (t, J = 7.2 Hz, 3H) , 1.49-1.60 (m, 2H), 1.61-1.74 (m, 2H) , 1.77-1.84 (m, 2H) , 2.43 (s, 3H) , 2.72 (q, J = 7.2 Hz, 2H) , 3.12-3.20 (m, 1H) , 3.28 (t, J= 6.8 Hz, 2H) , 3.36 (dt, J= 2.0, 12.4 Hz, 2H), 3.70 (s, 6H), 3.93-3.99 (m, 2H) , 4.50 (td, J = 6.0, 47.2 Hz, 2H), 6.51 (s, 2H), 6.62 (dd, J= 1.2, 6.8 Hz, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H) , 7.38 (dd, J = 1.2, 8.8 Hz, 1H). Example 57
N- [7- (2,6-Dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N- (2-methoxyethyl)-N-

tetrahydro-2fl-4-pyranylamine (Yellow oil)

1.47-1.59 (m, 2H), 1.77-1.84 (m, 2H) , 2.43 (s, 3H) , 2.72 (q, J= 7.6 Hz, 2H) , 3.15-3.24 (m, 1H) , 3.26 (s, 3H), 3.27-3.40 (m, 6H) , 3.70 (s, 3H) , 3.92-3.98 (m, 2H) , 6.51 (s, 2H) , 6.61 (dd, J = 1.6, 6.8 Hz, 1H), 7.04 (dd, J = 6.8, 8.8 Hz, 1H) , 7.3 8 (dd, J" = 1. 6, 8.8 Hz, 1H) . Example 58
A/-Cyclopropylmethyl-A7- [7- (2, 4-dimethoxy-6-methylphenyl) -2-ethylpyrazolo [1, 5-a]pyridin-3-yl] -Arte trahydro-2ff-4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) 5 -O.10- -O.01 (m, 2H) , 0.23-0.32 (m, 2H) , 0.70-O.80 (m, 1H) , 1.22 (t, J = 7.6 Hz, 3H) , 1.46-1.58 (m, 2H) , 1.77-1.85 (m, 2H) , 2.00 (s, 3H), 2.68-2.82 (m, 2H), 2.98 (d, J= 7.6 Hz, 2H), 3.22-3.31 (m, 1H), 3.38 (dt, J= 2.0, 12.0 Hz, 2H) , 3.68 (s, 3H), 3.86 (s, 3H) , 3.73-4.00 (m, 2H) , 6.44 (d, J= 2.0 Hz, 1H) , 6.48 (d, J = 2.0 Hz, 1H) , 6.51 (dd, J = 1.2, 6.8 Hz, 1H) , 7.01 (dd, J= 6.8, 8.8 Hz, 1H) , 7.40 (dd, J = 1.2, 8.8 Hz, 1H). Example 59
AT- [7- (2, 4-Dimethoxy-6-methylphenyl) -2-
ethylpyrazolo[1, 5-a]pyridin-3-yl]-N-(3-fluoropropyl)-N-tetrahydro-2ff-4-pyranylamine

(Yellow oil) 1H NMR (400MHz, CDC13) 5 1.20 (t, J = 7.6 Hz, 3H) ,
1.48-1.60
2.00 (s, 3H) , 2.72 (q, J = 7.6 Hz, 2H) , 3.12-3.20 (m, 1H) , 3.29 (t, J= 6.8 Hz, 2H) , 3.36 (dt, J= 2.0, 12.0 Hz, 2H) , 3.68 (s, 3H), 3.86 (s, 3H) , 3.93-4.00 (m, 2H) , 4.51 (td, J = 6.0, 47.2 Hz, 2H) , 6.44 (d, J = 2.0 Hz, 1H) , 6.48 (d, J = 2.0 Hz, 1H) , 6.54 (dd, J = 1.6, 6.8 Hz, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H) , 7.38 (dd, J = 1.6, 8.8 Hz, 1H). Example 60
N-Cyclopropylmethyl-J\f- [2-ethyl-7- (2-methoxy-4, 6-dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-tetrahydro-2ff-3-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H) , 0.32-O.42 (m, 2H) , 0.78-O.88 (m, 1H) , 1.30 (t, J= 7.6 Hz, 3H) , 1.30-1.44 (m, 1H) , 1.66-1.76 (m, 2H) , 2.06 (s, 3H) , 2.06-2.18 (m, 1H) , 2.49 (s, 3H) , 2.83(q, J = 7.6 Hz, 2H) , 3.06 (d, J= 6.8 Hz, 2H) , 3.18-3.38 (m, 3H) , 3.77 (s, 3H), 3.86-3.96 (m, 1H), 4.12-4.20 (m, 1H), 6.61 (dd, J= 1.2, 6.8 Hz, 1H), 6.78 (s, 1H), 6.86 (s, 1H) , 7.12 (dd, J = 6.8, 8.8 Hz, 1H) , 7.48 (dd, J = 1.2, 8.8 Hz, 1H) .
Example 61 N-Cyclopropylmethyl-N- [7- (2, 6-dimethoxy-4-

methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine

1H NMR (400MHz, CDC13) δ -O.01-O.03 (m, 2H) , 0.34-O.40 (m, 2H) , 0.80-O.90 (m, 1H) , 1.23 (t, J = 7.6 Hz, 3H) , 1.20-1.34 (m, 2H) , 1.56-1.62 (m, 1H), 1.74-1.80 (m, 2H), 2.45 (s, 3H) , 2.77 (q, J = 7.6 Hz, 2H) , 2.89 .(d, J = 6.4 Hz, 2H) , 3.06 (d, J= 6.8 Hz, 2H) , 3.32 (dt, J = 2.0, 11.6 Hz, 2H) , 3.71 (s, 6H) , 3.92-3.98 (m, 2H) , 6.53 (s, 2H), 6.60 (dd, J= 1.2, 6.8 Hz, 1H), 7.01 (dd, J= 6.8, 8.8 Hz, 1H), 7.45 (dd, J= 1.2, 8.8 Hz, 1H) . Example 62
N, N-Dicyclopropylmethyl-N-[2-ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine
2-Ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)-3-nitropyrazolo[1,5-a]pyridine (185 mg) was dissolved in a mixture of ethanol (7 mL) and water (7.5 mL) , and then acetic acid (0.3 mL) and zinc powder (185 mg) were added and the reaction mixture was heated at 60°C for 20 minutes. The reaction mixture was filtered with celite, and the obtained filtrate was concentrated under reduced pressure. Water was added, extraction was performed with ethyl acetate, the extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium .

sulfate, and the solvent was distilled off under reduced pressure to obtain 2-ethyl-4~methoxy-7- (2-
methoxy- 4, b-
amine as a crude product.
To a solution of the obtained crude 2-ethyl-4-methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-amine in tetrahydrofuran (10 mL) there were added cyclopropanecarboxyaldehyde (0.20 mL) and 3 M sulfuric acid (0.87 mL) , and then sodium borohydride (79 mg) was slowly added at 0°C and the mixture was stirred at room temperature for 30 minutes. A 5 N aqueous sodium hydroxide solution was added while cooling on ice to make the reaction mixture basic, and then extraction was performed with ethyl acetate, the extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel column chromatography (20 g) , and the title compound (18 5 mg) was obtained from the n-hexane:ethyl acetate (6:1) fraction as white crystals. 1H NMR (400MHz, CDC13) δ -O.32-O.46 (m, 8H) , 0.70-O.88 (m, 2H) , 1.20 (t, J = 7.5 Hz, 3H) , 1.97 (s, 3H) , 2.38 (s, 3H), 2.74-2.97 (m, 6H) , 3.67 (s, 3H), 3.93 (s, 3H) , 6,34 (d, J = 7.7 Hz, 1H) , 6.38 (d, J = 7.7 Hz, 1H) , 6.68 (s, 1H),'6.75 (s, 1H).

MS (ESI) m/z 434 MH+
Example 63
dimethylphenyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-(1-
ethylpropyl)amine
To a solution of 2-ethyl-4-methoxy-7-(2-methoxy-
4,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-amine (100 mg) in acetic acid (10 mL) there was added 3-pentanone
(0.04 mL) , and then sodium triacetoxyborohydride (85.0 mg) was slowly added at room temperature and the mixture was stirred for 3 hours. A 5 N aqueous sodium hydroxide solution was added while cooling on ice, and then extraction was performed with ethyl acetate, the organic layer was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was subjected to silica gel column chromatography (10 g) , and the title compound (69 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as yellow crystals.
1H NMR (400MHz, CDCl3) 5 0.94 (t, J = 7 . 5 Hz, 3H) , 0.96
(t, J = 7.5 Hz, 3H) , 1.21 (t, J = 7.5 Hz, 3H) , 1.42-1.55 (m, 4H), 1.98 (s, 3H) , 2.38 (s, 3H) , 2.70 (q, J = 7.5 Hz, 2H), 2.87-2.96 (m, 1H), 3.67 (s, 3H), 3.92 (s, 3H) , 6,20 (d, J= 7.7 Hz, 1H), 6.28 (d, J= 7.5 Hz, 1H) , 6.67 (s, 1H), 6.74 (s, 1H).

MS (ESI) m/z 396 MH+ Example 64

methylthiopyrazolo[1,5-a]pyridin-3-yl]carbamate
After dissolving tert-butyl N-[2-methylthiopyrazolo[1,5-a]pyridin-3-yl]carbamate (220 mg) in tetrahydrofuran (3 mL) , a solution of n-butyllithium in hexane (1.6 M; 1.51 mL) was added dropwise at -78°C under a nitrogen stream, and the mixture was stirred for 30 minutes. A solution of 1,2-dibromo-1,1,2,2-tetrachloroethane (384 mg) in tetrahydrofuran (2 mL) was added to the reaction mixture, and stirring was continued for 30 minutes. Saturated aqueous ammonium chloride was added to the reaction mixture, the temperature was raised to room temperature, extraction was performed with ethyl acetate and the extract was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and tert-butyl N-[7-bromo-2-methylthiopyrazolo[1,5-a]pyridin-3-yl]carbamate was obtained from the n-hexane:ethyl acetate (10:1) fraction as yellow crystals. After dissolving this in 1,2-dimethoxyethane (6 mL) and water (1 mL), 2,4-dichlorophenylboric acid (191 mg) ,

tetrakis(triphenylphosphine)palladium (O) complex (116 mg) and barium hydroxide octahydrate (315 mg) were
added and:
for 4 hours under a nitrogen stream. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (160 mg) was obtained from the n-hexane:ethyl acetate (20:1) fraction as a yellow oil.
1H NMR (400MHz, CDC13) δ 1.58 (s, 9H) , 2.46 (s, 3H) , 6.67 (m, 1H), 7.16 (dd, J= 6.8, 8.8 Hz, 1H) , 7.36 (dd, J= 2.0, 8.4 Hz, 1H), 7.43 (d, J= 8.4 Hz, 1H) , 7.54 (d, J = 2.0 Hz, 1H) . Example 65
tert-Butyl N- [7- (2-methoxy-4 , 6-dimethylphenyl) -2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]carbamate
After dissolving tert-butyl N-[7-10do-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]carbamate (2.0 g) in 1,2-dimethoxyethane (60 mL) and water (30 mL), 4,6-dimethyl-2-methoxyphenylboric acid (1.33 g), tetrakis(triphenylphosphine)palladium (O) complex (865 mg) and barium hydroxide octahydrate (2.34 g) were added and the mixture was- heated and stirred at 80°C

for 3 hours. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the
extract was wastred
anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (2.1 g) was obtained from the n-hexane:ethyl acetate (20:1) fraction as yellow amorphous.
2H NMR (400MHz, CDC13) δ 1.54 (br s, 9H), 1.98 (s, 3H), 2.39 (s, 3H) , 2.42 (s, 3H), 3.64 (s, 3H), 6.02-6.12 (m, 1H) , 6.58 ,(dd, J= 1.6, 6.8 Hz, 1H) , 7.13 (dd, J- 6.8, 9.2 Hz, 1H), 7.42-7.48 (m, 1H). Example 6 6
AJ-Cyclopropylmethyl-N- [7- (2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine
After dissolving tert-butyl N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] carbamate (4 00 mg) in N, N-dimethylformamide (5 mL), sodium hydride (60%, 58 mg) was added while cooling on ice, and then (bromomethyl)cyclopropane (111 uL) was added and the mixture was stirred for 1 hour at 40°C. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine..

After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was
concentrated under
tert-butyl N-cyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]carbamate. This was dissolved in ethyl acetate (10 mL) without purification, a 4 N hydrochloric acid/ethyl acetate solution (20 mL) was added, and the mixture was stirred at 40°C for 1 hour. The reaction mixture was neutralized with 5 N aqueous sodium hydroxide while cooling on ice, and then extraction was performed with ethyl acetate and the organic layer was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was distilled off under reduced pressure to obtain the title compound (368 mg) as a yellow oil. 1H NMR (400MHz, CDC13) δ 0.18-O.23 (m, 2H), 1.50-O.55 (m, 1H) , 1.1.04-1.13 (m, 1H) , 1.98 (s, 3H) , 2.38 (s, 3H) , 2.39 (s, 3H) , 2.99 (d, J = 6.8 Hz, 2H) , 3.66 (s, 3H) , 6.51 (dd, J= 1.2, 6.8 Hz, 1H) , 6.66 (br s, 1H) , 6.74 (br s, 1H) , 7.00 (dd, J = 6.8, 8.8 Hz, 1H) , 7.42 (dd, J = 1.6, 8.8 Hz, 1H). Example 67
N- [7-(2-Methoxy-4,6-dimethylphenyl)-2-(methylsulf anyl) pyrazolo [1, 5-a]pyridin-3-yl] -N,N-dipropylamine

tert-Butyl N-[7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyDpyrazolo[1,5-a]pyridin-3-yl]carbamate

acetate solution (2 mL) , and the mixture was stirred at room temperature for 1 hour. The reaction mixture was neutralized with 5 N aqueous sodium hydroxide and extracted with ethyl acetate, and the organic layer was concentrated to obtain 7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridine-3-amine. This was dissolved in tetrahydrofuran (1 mL), and after adding propionaldehyde (0.07 8 mL) and 3 M aqueous sulfuric acid (0.363 mL) , sodium borohydride (27 mg) was added in five portions at a time while vigorously stirring on ice, and stirring was continued for 30 minutes. After adding saturated aqueous sodium hydrogencarbonate to neutralize the reaction mixture, extraction was performed with ethyl acetate and the organic layer was concentrated. The residue was purified by silica gel column chromatography, and the title compound (20.6 mg) was obtained from the n-hexane:ethyl acetate (7:1) fraction as a light yellow oil.
1H NMR (400MHz, CDC13) 5 0.88 (t, J = 7.6 Hz, 6H) , 1.34-1.44 (m, 4H) , 1.99 (s, 3H) , 2.40 (s, 3H) , 2.43 (s, 3H), 3.01-3.06 (m, 4H) , 3.63 (s, 3H) , 6.49 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) . 6.75 (s, 1H),'7.03 (dd, J =

6.8, 8.8 Hz, 1H) , 7.39 (dd, J= 1.2, 8.8 Hz, 1H) .
The compounds of Examples 68 to 101 were

Example 67.
Example 68
N-[7-(2,6-Dimethoxy-4-methylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-
dipropylamine
(Light yellow oil) 1H NMR (400MHz, CDC13) δ 0.84-O.92 (m, 6H) , 1.34-1.44
(m, 4H) , 2.40-2.48 (m, 6H) , 3.00.-3.10 (m, 4H) , 3.70 (s,
6H), 6.49 (s, 2H), 6.56-6.60 (m, 1H), 6.99-7.05 (m, 1H) ,
7.35-7.42 (m, 1H).
Example 69
N- [7- (2,6-Dimethoxy-3-pyridyl) -2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine
(Light yellow oil)
1H NMR (400MHz, CDC13) 5 0.88 (t, J = 6.8 Hz, 6H) , 1.33-1.42 (m, 4H) , 2.50 (s, 3H) , 2.95-3.06 (m, 4H) , 3.93 (s, 3H) , 3.99 (s, 3H) , 6.42 (d, J= 8.4 Hz, 1H) , 6.67-6.74 (m, 1H) , 6.98-7.06 (m, 1H) , 7.34-7.42 (m, 1H) , 7.98 (d, J = 8.4 Hz, 1H) . Example 7 0
N-{1-(6-Methoxy-2-methyl-3-pyridyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-

dipropylamine
(Light yellow oil) IH~~NMR (400MHz,
1.32-1.42 (m, 4H) , 2.30 (s, 3H) , 2.47 (s, 3H) , 3.00-
3.06 (m, 4H) , 4.00 (s, 3H) , 6.48 (d, J= 6.8 Hz, 1H) ,
6.66 (d, J = 8.4 Hz, 1H) , 7.03 (dd, J = 6.8, 8.4 Hz,
1H), 7.42 (d, J= 8.4 Hz, 1H), 7.61 (d, J =8.4 Hz, 1H). Example 71
N3,N3-Dipropyl-7-[6-(dimethylamino)-4-methyl-3-pyridyl]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-amine
(Light yellow oil)
1H NMR (400MHz, CDC13) δ 0.82 (t, J = 7.6 Hz, 6H) , 1.19-1.70 (m, 4H) , 2.06 (s, 3H) , 2.42 (s, 3H) , 2.90-3.00 (m, 4H) , 3.13 (s, 6H) , 6.40-6.47 (m, 2H) , 6.92-7.02 (m, 1H), 7.30-7.40 (m, 1H), 8.08 (s, 1H).
MS (ESI) m/z 398 MH+ Example 7 2
N, N-Dicyclopropylmethyl-N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Light yellow oil)
1H NMR (400MHz, CDCI3) 5 0.00-O.04 (m, 4H) , 0.28-O.34 (m, 4H) , 0.80-O.90 (m, 2H) , 1.99 (s, 3-H) , 2.40 (s, 3H) , 2.44 (s, 3H), 2.97-3.04 (m, 4H) , 3.68 (s, 3H), 6.49 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) . 6.76 (s, 1H) , 7.03

(dd, J = 6.8, 8.8 Hz, 1H) , 7.46 (dd, J = 1.2, 8.8 Hz, 1H) .

N, ,N-Diisobutyl-N- [7- (2-methoxy-4, 6-dimethylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Light yellow oil) MS (ESI) m/z 426 MH+ Example 74
N- [7-(2,4-Dimethoxy-6-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine (Light yellow oil)
1H NMR (400MHz, CDC13) 5 0.88 (t, J = 7.2 Hz, 6H) , 1.35-1.44 (m, 4H), 2.02 (s, 3H) , 2.43 (s, 3H), 3.03 (t, J= 7.6 Hz, 4H), 3.67 (s, 3H) , 3.86 (s, 3H), 6.42 (br s, 1H) , 6.46 (br s, 1H) , 6.47-6.51 (m, 1H) , 7.00-7.05 (m, 1H), 7.37-7.40 (m, 1H). Example 7 5
N- [7-(2-Methoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine (Light yellow oil)
1H NMR (400MHz, CDCI3) 5 0.88 (t, J = 7.6 Hz, 6H) , 1.35-1.44 (m, 4H) , 2.44 (s, 3H) , 2.47 (s, 3H)', 3.03 (t, J = 7.6 Hz, 4H) , 3.77 (s, 3H) , 6.61 (dd, J = 1.2, 6.8 Hz, 1H) , 6.84 (s, 1H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H).,

7.37-7.40 (m, 1H), 7.43 (d, J= 7.6 Hz, 1H).
Example 7 6
, 5-a]pyridin-
3-yl]amine (Colorless oil) 1H NMR (400MHz, CDC13) δ -O.01-O.05 (m, 4H) , 0.28-O.34
(m, 4H), 0.80-O.92 (m, 2H) , 2.43 (m, 3H), 2.46 (s, 3H) ,
3.00 (d, J = 6.4 Hz, 2H) , 3.69 (s. 6H) , 6.49 (s, 2H) ,
6.57 (dd, J= 1.6, 6.8 Hz, 1H) , 7.02 (dd, J- 6.8, 8.8
Hz, 1H), 7.44 (dd, J= 1.6, 8.8 Hz, 1H).
Example 77
N-[7-(4-Chloro-2-methoxyphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine
(Light yellow oil) 1H NMR (400MHz, CDC13) δ 0.02-O.06 (m, 4H) , 0.30-O.34
(m, 4H) , 0.80-O.90 (m, 2H) , 2.48 (s, 3H) , 2.99 (d, J =
6.4 Hz, 4H) , 3.76 (s, 3H) , 6.59 (dd, J = 1.6, 6.8 Hz,
1H), 7.00-7.03 (m,21H), 7.06 (dd, J= 2.0, 8.0 Hz, 1H),
7.46-7.50 (m, 2H) .
Example 7 8
N- [7-(2-Chloro-4-methoxyphenyl) -2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-
dicyclopropylmethylamine
(Light yellow oil)

1H NMR (400MHz, CDC13) 5 0.01-O.06 (m, 4H) , 0.28-O.35
(m, 4H) , 0.80-O.90 (m, 2H), 2.49 (s, 3H), 2.99 (d, J=

(m, 1H), 7.01-7.07 (m, 2H) , 7.45-7.53 (m, 2H).
Example 7 9
AT, N-Dicyclopropylmethyl-N- [7- (4-methoxy-2-methylphenyl)-2-(methylsulfanyDpyrazolo[1,5-a]pyridin-
3-yl]amine
(Light yellow oil) 1H NMR (400MHz, CDCI3) 5 0.00-O.04 (m, 4H) , 0.28-O.34
(m, 4H), 0.78-O.88 (m, 2H), 2.10 (s, 3H) , 2.48 (s, 3H) ,
2.99 (d, J= 6.8 Hz, 4H) , 3.87 (s, 3H) , 6.47-6.51 (m,
1H) , 6.81-6.86 (m, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H),
7.33 (d, J= 8.0 Hz, 1H), 7.45-7.49 (m, 1H) .
Example 8 0
N- [7-(4-Methoxy-2,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dipropylamine
(Light yellow crystals)
1H NMR (400MHz, CDCI3) 5 0.89 (t, J = 7.3 Hz, 6H) , 1.30-1.46 (m, 4H), 2.01 (s, 6H), 2.41 (s, 3H), 3.03 (t, J= 7.1 Hz, 4H) , 3.84 (s, 3H) , 6,43 (br d, J = 6.4 Hz, 1H) , 6.69 (s, 2H) , 6.98-7.07 (m, 1H) , 7.40 (br d, J = 9.3 Hz, 1H).
MS(ESI) m/z 398 MH+ Example 81

N, N-Dicyclopropylmethyl-N-[7-(4-methoxy-2,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl] amine
(Light yellow crystals) 1H NMR (400MHz, CDC13) δ -O.06-O.10 (m, 4H), 0.22-O.36
(m, 4H) , 0.80-O.94 (m, 2H) , 2.01 (s, 6H) , 2.44 (s, 3H) ,
3.01 (d, J- 6.4 Hz, 4H), 3.85 (s, 3H), 6,44 (br d, J =
6.4 Hz, 1H) , 6.70 (s, 2H) , 7.00-7.09 (m, 1H) , 7.47 (br d, J = 8.6 Hz, 1H).
MS(ESI) m/z 422 MH+ Example 82 N, N-Dicyclopropylmethyl-N [7- [4-methoxy-2-
(trifluoromethyl)phenyl]-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine
(Yellow oil)
1H NMR (400MHz, CDCI3) 5 0.00-O.04 (m, 4H) , 0.27-O.32
(m, 4H) , 0.80-O.90 (m, 2H) , 2.42 (s, 3H), 2.95-3.05 (m, 4H) , 3.93 (s, 3H), 6.50 (dd, J= 1.6, 6.8 Hz, 1H), 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.15 (dd, J = 2.4, 8.4 Hz, 1H), 7.29 (d, J= 2.4 Hz, 1H) , 7.45 (d, J= 8.4 Hz, 1H), 7.49 (dd, J = 1.6, 8.8 Hz, 1H). Example 83
N- [7-[2-Chloro-4-(trifluoromethoxy)phenyl]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine (Yellow oil)

1H R (400MHz, CDC13) 5 0.00-O.04 (m, 4H) , 0.28-O.34 (m, 4H) , 0.80-O.90 (m, 2H) , 2.48 (s, 3H) , 3.00 (d, J =
J= 6.8, 8.8 Hz, 1H) , 7.23-7.27 (m, 1H) , 7.40-7.42 (m,
1H) , 7.54 (dd, J= 1.6, 8.8 Hz, 1H), 7.59 (dd, J= 8.4
Hz, 1H).
Example 8 4
N, AJ-Dicyclopropylmethyl-N- [7- (4-methyl-l, 3-benzodioxol-
5-yl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-
yl]amine
(Yellow crystals) 1H NMR (400MHz, CDC13) δ 0.00-O.04 (m, 4H), 0.28-O.33
(m, 4H), 0.80-O.90 (m, 2H), 1.95 (s, 3H), 2.50 (s, 3H),
3.00 (d, J = 6.8 Hz, 4H) , 6.04 (s, 2H) , 6.50 (dd, J =
1.2, 6.8 Hz, 1H) , 6.76 (d, J = 8.4 Hz, 1H) , 6.93 (d, J
= 8.4 Hz, 1H), 7.48 (dd, J= 1.2, 8.8 Hz, 1H).
Example 85
N- [7-(2,4-Dimethoxyphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N,N-dipropylamine
(Yellow oil)
1H NMR (400MHz, CDCl3) 5 0.88 (t, J = 7.3 Hz, 6H) , 1.30-1.45 (m, 4H) , 2.48 (s, 3H) , 3.02 (t, J = 7.3 Hz, 4H) , 3.76 (s, 3H) , 3.88 (s, 3H) , 6.56-6.64 (m, 3H) ,
7.01 (dd, J= 6.9, 8.9 Hz, 1H) , 7.37 (dd, J= 1.4, 8.8
Hz, 1H), 7.4 9 (d, J = 8.9 Hz, 1H).

Example 8 6
N, N-Dicyclopropylmethyl-N-[7-(2,4-dimethoxyphenyl)-2-
(methylsulfanyl)pyrazolo
(Yellow oil) XH NMR (400MHz, CDC13) 5 -O.02-O.08 (m, 4H) , 0.25-O.34
(m, 4H) , 0.75-O..88 (m, 2H) , 2.47 (s, 3H) , 2.97 (d, J =
6.8 Hz, 4H) , 3.72 (s, 3H), 3.86 (s, 3H), 6.54-6.60 (m,
3H) , 6,99 (dd, J= 6.8, 8.8 Hz, 1H) , 7.41 (dd, J = >1.4,
8.8 Hz, 1H), 7.47 (dd, J= 0.8, 8.0 Hz, 1H).
Example 87
N- [7-(4-Chloro-2,6-dimethoxyphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridln-3-yl]-N, N-dlpropy1amine
(Yellow crystals)
1H NMR (400MHz, CDC13) δ 0.8 8 (t, J = 7.3 Hz, 6H) , 1.33-1.45 (m, 4H) , 2.43 (s, 3H) , 3.02 (t, J = 7.3 Hz, 4H) , 3.70 (s, 6H), 6,54 (dd, J= 1.4, 6.9 Hz, 1H), 6.67 (s, 2H) , 7.02 (dd, J = 6.9, 8.9 Hz, 1H), 7.40 (dd, J = 1.5, 8.8 Hz, 1H).
MS (ESI) m/z 434 MH+ Example 88
N-[7-(4-Chloro-2,6-dimethoxyphenyl)-2-(methyl5ulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine (Yellow crystals)
1H NMR (400MHz, CDCl3) 5 -O.02-O.06 (m, 4H) , 0.26-O:34

(m, 4H) , 0.77-O.91 (m, 2H) , 2.45 (s, 3H) , 2.99 (d, J =
6.6 Hz, 4H) , 3.69 (s, 6H) , 6,54 (dd, J = 1.5, 6.8 Hz,
MS (ESI) m/z 458 MH+
Example 89
N- [7-(2-Chloro-6-methoxy-4-methylphenyl)-2-
(methylsulfanyl)pyrazolo [1, 5-a]pyridin-3-yl] -N, 1\T-dipropylamine
(Yellow crystals)
1H NMR '(400MHz, CDC13) δ 0.88 (t, J = 7.4 Hz, 6H) , 1.33-1.45 (m, 4H), 2.41 (s, 3H) , 2.43 (s, 3H), 3.03 (t, J = 7.4 Hz, 4H) , 3.70 (s, 3H) , 6,55 (dd, J = 1.3, 6.8 Hz, 1H) , 6.72 (s, 1H) , 6.95 (s, 1H) , 7.04 (dd, J= 6.9, 8.9 Hz, 1H), 7.43 (dd, J= 1.4, 8.9 Hz, 1H) .
MS(ESI) m/z 418 MH+ Example 90
N- [7-(2-Chloro-6-methoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dieyelopropylmethy1amine (Yellow crystals)
1H NMR (400MHz, CDCl3) 5 -O.02-O.08 (m, 4H) , 0.26-O.36 (m, 4H), 0.78-O.92 (m, 2H), 2.41 (s, 3H), 2.45 (s, 3H) , 3.00 (d, J = 6.6 Hz, 4H) , 3.69 (s, 3H) , 6,55 (dd, J = 1.5, 6.8 Hz, 1H), 6.73 (s, 1H), 6.96 (s, 1H), 7.04 (dd, J = 6.8, '9.0 Hz, 1H) , 7.49 (dd, J = 1.4, 8.9 Hz, 1H) .

MS(ESI) m/z 442 MH+
Example 91

trimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine
(Light yellow crystals) 1H NMR (400MHz, CDCl3) 5 0.00-O.06 (m, 4H), 0.28-O.34
(m, 4H) , 0.80-O.90 (m, 2H) , 2.46 (s, 3H) , 2.99 (d, J =
6.4 Hz, 4H) , 3.69 (s, 6H) , 3.89 (s, 3H) , 6.23 (s, 2H) ,
6.56 (dd, J= 1.2, 6.8 Hz, 1H) , 7.02 (dd, J= 6.8, 8.8
Hz, 1H), 7.43 (dd, J= 1.2, 8.8 Hz, 1H).
Example 92
N, N-Dicyclopropylmethyl-N-[7-(2,4-dimethoxy-6-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-
3-yl]amine
(Yellow oil) XE NMR (400MHz, CDC13) δ -O.01-O.04 (m, 4H) , 0.28-O.34
(m, 4H), 0.80-O.92 (m, 2H), 2.02 (m, 3H), 2.45 (s, 3H) , 2.96-3.04 (m, 4H),'3.67 (s, 3H), 3.87 (s. 6H), 6.42 (d, J = 2.0 Hz, 2H) , 6.47 (d, J = 2.0 Hz, 2H) , 6.49 (dd, J = 1.6, 6.8 Hz, 1H) , 7.03 (dd, J = 6.8, 8.8 Hz, 1H) , 7.46 (dd, J= 1.6, 8.8 Hz, 1H). Example 93
Af3,N3-Dicyclopropylmethyl-7- [6- (dimethylamino) -2-methyl-3-pyridyl]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-amine
(Yellow oil)

1H NMR (400MHz, CDC13) δ 0.00-O.40 (m, 4H) , 0.29-O.33 (m, 4H) / 0.80-O.90 (m, 2H) , 2.23 (s, 3H), 2.51 (s, 3H),

2H) , 7.00-7.04 (in, 1H) , 7.44 (dd, J = 1.6, 8.8 Hz, 1H) , 7.52 (d, J = 8.8 Hz, 1H). Example 94
N3, AI3-Dicyclopropylmethyl-7- [6- (dimethylamino) -2, 4-dimethyl-3-pyridyl]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
XE NMR (400MHz, CDC13) δ -O.01-O.02 (m, 4H) , 0.26-O.32 (m, 4H), 0.80-O.90 (m, 2H) , 1.95 (s, 3H), 2.15 (s, 3H), 2.45 (s, 3H) , 3.00 (d, J = 6.8 Hz, 4H) , 3.13 (s, 6H) , 6.30 (s, 1H) , 6.43 (dd, J= 1.6, 6.8 Hz, 1H), 7.01 (dd, J= 6.8, 8.8 Hz, 1H), 7.46 (dd, J= 1.6, 8.8 Hz, 1H) . Example 95
N3,N3-Dicyclopropylmethyl-7-[6-(dimethylamino)-3-pyridyl]-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-amine
(Yellow oil)
lE NMR (400MHz, CDC13) δ 0.00-O.70 (m, 4H) , 0.29-O.34 (m, 4H) , 0.80-O.85 (m, 2H) , 2.61 (s, 3H) , 2.95 (d, J = 6.8 Hz, 4H), 3.17 (s, 6H), 6.60-6.64 (m, 2H) , 7.01-7.05 (m, 1H) , 7.39-7.42 (m, 1H) , 8.28-8.31 (m, 1H) , 8.71-8.72 (m, 1H). Example 9 6

N, Af-Dicyclopropylmethyl-N- [7- (4-methoxy-6-methyl-3-pyridyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.08 (m, 4H), 0.26-O.37 (m, 4H), 0.74-O.93 (m, 2H) , 2.46 (s, 3H) , 2.79 (s, 3H), 2.97 (d, J = 6.8 Hz, 4H) , 3.88 (s, 3H) , 6,60 (dd, J = 1.3, 6.8 Hz, 1H) , 6.90 (s, 1H) , 7.02 (dd, J= 6.8, 8.9 Hz, 1H) , 7.53 (dd, J= 1.4, 8.9 Hz, 1H) , 8.80 (s, 1H) . Example 97
N, N-Dlcyclopropylmethyl-N-[7-(4,6-dimethyl-3-pyridyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Brown oil)
1H NMR (400MHz, CDC13) δ -O.04-O.08 (m, 4H) , 0.24-O.36 (m, 4H), 0.76-O.98 (m, 2H) , 2.11 (s, 3H) , 2.46 (s, 3H),
2.60 (s, 3H) , 2.98 (d, J = 6.8 Hz, 4H) , 6,52 (dd, J =
1.3, 6.8 Hz, 1H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.12 (s, 1H) , 7.52 (dd, J =1.5, 8.9 Hz, 1H) , 8.46 (s, 1H) .
Example 98
N3,N3-Dicyclopropylmethyl-7-[6-(dimethylamino)-4-
methyl-3-pyridyl]-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-amine (Light yellow oil)
1H NMR (400MHz, CDCl3) 5 -O.02-O.08 (m, 4H) , 0.26-O.36 (m, 4H) , 0.78-O.90 (m, 2H), 2.09 (s, 3H), 2.50 (s, 3H) ,
2.99 (d, J = 6.5 Hz, '4H) , 3.15 (s, 6H) , 6.45 (s, 1H) ,

6,50 (dd, J= 1.6, 6.8 Hz, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.47 (dd, J= 1.6, 8.9 Hz, 1H), 8.15 (s, 1H).
Example 99
N- [7-(2-Methoxy-4,6-dimethylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-ditetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDCl3) 5 1.55-1.66 (m, 2H) , 1.89-1.98 (m, 2H) , 1.98-2.01 (m, 3H) , 2.18-2.28 (m, 2H) , 2.40 (s, 3H), 2.43 (s, 3H), 2.96-3.03 (m, 2H), 3.11-3.19 (m, 2H), 3.56-3.61 (m, 2H), 3.64-3.70 (m, 5H), 3.74-3.84 (m, 4H), 6.53 (d, J= 1.6, 6.8 Hz., 1H) , 6.67 (s, 1H) , 6.76 (s, 1H), 7.08 (dd, J= 6.8, 8.8 Hz, 1H) , 7.31 (dd, J = 1.6, 8.8 Hz, 1H). Example 100
N, N-Di(3-furylmethyl)-N-[7-(4-methoxy-2,6-dimethylphenyl)-2-(methylsulfanyl) pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 1.97 (s, 6H) , 2.42 (s, 3H) , ' 3.84 (s, 3H) , 4.12 (s, 4H) , 6.28-6.33 (m, 2H), 6.39 (dd, J= 1.3, 8.1 Hz, 1H) , 6.68 (s, 2H) , 6.95 (dd, J= 6.8, 8.9 Hz, 1H) , 7.13 (dd, J = 1.4, 8.9 Hz, 1H) , 7.20-7.25 (m, 2H), 7.26-7.32 (m, 2H). Example 101 N- [7- (4-Bromo-2-methoxyphenyl)-2-

(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine

1H NMR (400MHz, CDC13) δ 0.00-O.08 (m, 4H) , 0.28-O.46 (m, 4H) , 0.78-O.89 (m, 2H) , 2.48 (s, 3H), 2.95-3.03 (m, 4H) , 3.76 (s, 3H) , 6.59 (dd, J= 1.3, 6.8 Hz, 1H), 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.16 (s, 1H) , 7.21 (d, J = 8.0 Hz, 1H) , 7.42 (d, J = 8.0 Hz, 1H) , 7.48 (dd, J = 1.3, 8.8 Hz, 1H). Example 102
N- [7-(2,4-Dichlorophenyl)-2-methylthiopyrazolo[1,5-a]pyridin-3-yl]-N-propylamine
After dissolving tert-butyl N-[7-(2,4-dichlorophenyl)-2-methylthiopyrazolo[1,5-a]pyridin-3-yl]carbamate (150 mg) in N, W-dimethylf ormamide (3 mL) , sodium hydride (60%, 21 mg) was added while cooling on ice, and then 1-10dopropane (0.041 mL) was added and the mixture was stirred for 30 minutes. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine. The obtained organic layer was dried over anhydrous magnesium sulfate and filtered, and then the solvent was distilled off under reduced pressure to obtain a crude product. This was dissolved in ethyl acetate (1 mL) without purification, a 4 N hydrochloric acid/ethyl acetate solution (4 mL) was added, and the mixture was

stirred at room temperature for 2 hours. The reaction mixture was neutralized with 5 N aqueous sodium
"hydroxide "while cooIiTfg on ice,
performed with ethyl acetate and the organic layer was washed with water and brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (60 mg) was obtained from the n-hexane-.ethyl acetate (20:1) fraction as a yellow oil.
1H NMR (400MHz, CDC13) δ 0.99 (t, J = 7.6 Hz, 3H) , 1.63-1.72 (m, 2H) , 2.45 (s, 3H) , 3.20 (t, J= 7.6 Hz, 2H) , 6.62 (br d, J = 6.4 Hz, 1H) , 7.06 (dd, J = 6.4, 8.4 Hz, 1H), 7.36 (dd, J= 2.0, 8.4 Hz, 1H) , 7.44 (d, J
= 8.4 Hz, 1H) , 7.53 (d, J= 2.0 Hz, 1H), 7.63-7.69 (m, 1H) .
Example 103
N-[7-(2,4-Dichlorophenyl)-2-methylthiopyrazolo[1,5-
a]pyridin-3-yl]-N, N-dipropylamine N- [7-(2,4-dichlorophenyl)-2-
methylthiopyrazolo[1,5-a]pyridin-3-yl]-N-propylamine (59 mg) was dissolved in tetrahydrofuran (1 mL) , and
after adding propionaldehyde (0.035 mL) and 3 M aqueous
sulfuric acid (0.16 mL), sodium borohydride (12 mg) was
added in five portions while vigorously stirring on ice,
and stirring was continued for 3 0 minutes. Water was

added to the reaction mixture, extraction was performed with diethyl ether and the extract was washed with
saturated ^aqueous sodium hydrogencarbonate"After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (49 mg) was obtained from the n-hexane:ethyl acetate (100:1) fraction as a yellow oil.
1H NMR (400MHz, CDC13) δ 0.88 (t, J = 7.6 Hz, 6H) , 1.33-1.44 (m, 4H) , 2.46 (s, 3H) , 3.02 (t, J = 7.6 Hz, 2H) , 6.56 (br d, J = 6.4 Hz, 1H) , 7.03 (dd, J = 6.4, 8.4 Hz, 1H), 7.36 (dd, J- 2.0, 8.4 Hz, 1H) , 7.45 (d, J = 8.4 Hz, 1H) , 7.49 (d, J = 8.4 Hz, 1H) , 7.54 (d, J = 2.0 Hz, 1H).
The compounds of Examples 104 to 158 were synthesized according to the ' production method of Examples 102 and 103. Example 104
AI-Isobutyl-N- [7- (2-methoxy-4, 6-dimethylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propylamine (Light yellow oil)
lE NMR (400MHz, CDC13) δ 0.85-O.95 (m, 9H) , 1.35-1.45 (m, 2H), 1.50-1.60 (m, 1H), 1.99 (s, 3H) , 2.40 (s, 3H), 2.42 (s, 3H) , 2.86 (d, J = 6.8 Hz, 2H) , 2.98 (t, J =

6.8 Hz, 2H) , 3.68 (s, 3H) , 6.47-6.51(m, 1H) , 6.67 (s,
1H), 6.75 (s, 1H), 7.00-7.06 (m, 1H), 7.38-7.43 (m, 1H).
Ex amp1e 105
Af-Cyclopropylmethyl-N- [7-(2-methoxy-4,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a] pyridin-3-yl] -N-propylamine
(Yellow oil) XH NMR (400MHz, CDC13) 5 -O.03-O.01 (m, 2H) , 0.27-O.32
(m, 2H) , 0.80-O.90 (m, 1H) , 0.90 (t, J= 7.6 Hz, 3H) ,
1.35-1.45 (m, 2H), 1.99 (s, 3H), 2.40 (s, 3H), 2.43 (s,
3H) , 2.93 (d, J= 6.8 Hz, 2H) , 3.10-3.15 (m, 2H) , 3.68
(s, 3H) , 6.49 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) .
6.75 (s, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.43 (dd,
J = 1.2, 8.8 Hz, 1H).
Example 10 6
N-[7-(2-Methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(2-methoxyethyl)-N-propylamine
(Light yellow oil)
lK NMR (400MHz, CDC13) δ 0.88 (t, J = 7.2 Hz, 3H) , 1.30-1.44 (m, 2H), 1.99 (s, 3H), 2.40 (s, 3H), 2.43 (s, 3H), 3.06-3.12 (m, 2H), 3.28 (s, 3H), 3.28-3.32 (m, 2H), 3.35-3.40 (m, 2H), 3.68 (s, 3H) , 6.51 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) . 6.75 (s, 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.41 (dd, J= 1.6, 8.8 Hz, 1H). Example 107

N-Cyclopropylmethyl-N-[7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (2-methoxyethyl)amine (Light yellow oil)
lU NMR (400MHz, CDC13) δ -O.02-O.02 (m, 2H), 0.28-O.32 (m, 2H) , 0.82-O.92 (m, 2H), 1.99 (s, 3H), 2.40 (s, 3H) , 2.44 (s, 3H) , 2.98 (d, J = 6.8 Hz, 2H) , 3.29 (s, 3H) , 3.36-3.42 (m, 4H) , 3.68 (s, 3H) , 6.51 (dd, J= 1.2, 6.8 Hz, 1H), 6.67 (s, 1H). 6.76 (s, 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.44 (dd, J= 1.2, 8.8 Hz, 1H) . Example 108
N-Isobutyl-N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(2-methoxyethyl)amine (Light yellow oil) MS (ESI) m/z 428 MH+ Example 109
N- (3-Fluoropropyl)-N- [7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propylamine (Light yellow oil)
lE NMR (400MHz, CDCI3) 5 0.89 (t, J = 7.2 Hz, 3H) , 1.36-1.45 (m, 2H) , 1.68-1.82 (m, 2H) , 1.99 (s, 3H) , 2.40 (s, 3H) , 2.43 (s, .3H) , 3.01-3.06 (m, 2H) , 3.23 (t, J= 6.8 Hz, 2H) , 3.68 (s, 3H) , 4.56 (td, J= 6.0, 47.6 Hz, 2H) , 6.51 (dd, J= 1.6, 6.8 Hz, 1H) , 6.67 (s, 1H) .

6.75 (s, 1H) , 7.06 (dd, J= 6.8, 8.8 Hz, 1H) , 7.37 (dd, J = 1.6, 8.8 Hz, 1H).
Ex amp 1 e 11
N-Cyclopropylmethyl-N- (3-f luoropropyl) -N- [7- (2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyrldin-3-yl]amine (Light yellow oil)
1H NMR (400MHz, CDC13) 6 -O.02-O.02 (m, 2H) , 0.28-O.36 (m, 2H), 0.80-O.92 (m, 1H), 1.70-1.84 (m, 2H), 1.99 (s, 3H) , 2.40 (s, 3H) , 2.43 (s, 3H) , 2.93 (d, J = 6.8 Hz, 2H) , 3.31 (t, J= 7.6 Hz, 2H) , 3.68 (s, 3H) , 4.57 (td,
J= 6.0, 47.2 Hz, 2H) , 6.50 (dd, J= 1.6, 6.8 Hz, 1H) ,
6.67 (s, 1H) , 6.76 (s, 1H) , 7.05 (dd, J= 6.8, 8.8 Hz,
1H), 7.40 (dd, J= 1.6, 8.8 Hz, 1H).
Example 111
N- (3-Fluoropropyl)-N-isobutyl-N-[7-(2-methoxy-4,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]amine
(Light yellow oil) MS (ESI) m/z 430 MH+
Example 112
N-Cyclopropylmethyl-N- [7- (2-methoxy-4, 6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylamine
(Light yellow oil) MS (ESI) m/z 4 52 MH+

Example 113
(Light yellow oil) MS(ESI) m/z 454 MH+
Example 114
N- [7-(2-Methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (2-
morpholinoethyl)-N-propylamine
(Light yellow oil) MS (ESI) m/z 469 MH+
Example 115
Nl-[7-(2-Methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N2, N2-
dimethyl-Nl-propyl-l,2-ethanediamine
(Light yellow oil) MS(ESI) m/z 427 MH+ Example 116 N-[7-(2-Methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] -AT-propyl-N-(2-tetrahydro-lF-l-pyrrolylethyl)amine
(Light yellow oil)
MS (ESI) m/z 453 MH+ Example 117 N-[1-(2-Methoxy-4,6-dimethylphenyl)-2-

Example 118
N-Cyclopropylmethyl-N- [7-(4-methoxy~2,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propylamine
(Yellow oil)
1H NMR (400MHz, CDCl3) 5 -O.04-O.05 (m, 2H) , 0.26-O.37
(m, 2H) , 0.82-O.98 (m, 1H) , 0.96 (t, J = 7.3 Hz, 3H) , 1.38-1.52 (m, 2H) , 2.06 (s, 6H) , 2.47 (s, 3H), 2.98 (d, J= 6.8 Hz, 2H), 3.12-3.20 (m, 2H), 3.90 (s, 3H), 6.44-6.50 (m, 1H) , 6.74 (s, 2H) , 7.03-7.12 (m, 1H) , 7.44-7.52 (m, 1H).
MS (ESI) m/z 410 MH+ Example 119
N-Isobutyl-N-[7-(4-methoxy-2,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propylamine (Yellow crystals)
1H NMR (400MHz, CDCI3) 5 0.89 (t, J= 7.4 Hz, 3H), 0.93
(d, J = 6.6 Hz, 6H) , 1.33-1.45 (m, 2H) , 1.52-1.64 (m,
1H) , 2.01 (s, 6H) , 2.41 (s, 3H) , 2.87 (d, J= 7.1 Hz,
2H) , 2.98 (t, J= 7.4 Hz, 2H) , 3.84 (s, 3H) , 6.42 (dd,
J= 1.3, 6.8 Hz, 1H) , 6.69 (s, 2H) , 7.03 (dd, J= 6.8,

8.8 Hz, 1H), 7.42 (dd, J- 1.3, 8.8 Hz, 1H). MS (ESI) m/z 412 MH+

N-Cyclopropylmethyl-N-isobutyl-N- [7- (4-methoxy-2/ 6-dimethylphenyl)-2- (methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow crystals)
1H NMR (400MHz, CDC13) δ -O.02-O.05 (m, 2H), 0.32-O.39 (m, 2H) , 0.87-O.99 (m, 1H) , 1.01 (d, J - 6.6 Hz, 6H) , 1.60-1.74 (m, 1H), 2.10 (s, 6H), 2.49 (s, 3H) , 2.96 (d, J= 6.8 Hz, 2H) , 3.02 (d, J= 7.1 Hz, 2H) , 3.93 (s, 3H) , 6.50 (dd, J= 1.5, 6.8 Hz, 1H), 6.77 (s, 2H), 7.11 (dd, J= 6.8, 9.0 Hz, 1H) , 7.54 (dd, J = 1.4, 8.8 Hz, 1H) . MS (ESI) m/z 424 MH+ Example 121
N-Cyclopropylmethyl-N- [7- (2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-[(3-methyl-3-oxetanyl)methyl]amine (Light yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.04 (m, 2H), 0.30-O.40 (m, 2H), 0.76-O.86 (m, 1H), 0.87 (s, 3H), 1.97 (s, 1.5H), 1.98 (s, 1.5H), 2.40 (s, 3H), 2.45 (s, 3H) , 2.86-3.01 (m, 2H), 3.20-3.25 (m, 1H), 3.52-3.74 (m, 8H), 6.55 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H), 7.11 (dd, J= 6.8, 8.8 Hz, 1H), 7.44-7.48 (m, 1H) . Example 122

N-Cyclopropylmethyl-N- [7- (2, 6-dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylamine
(Yellow oil) XH NMR (400MHz, CDC13) 5 -O.02-O.02 (m, 2H), 0.29-O.34
(m, 2H) , 0.80-O.90 (m, 1H) , 1.62-1.72 (m, 1H) , 1.75-1.85 (m, 2H) , 1.86-1.96 (m, 1H) , 2.43 (m, 3H) , 2.44 (s, 3H) , 2.96 (d, J= 6.8 Hz, 2H), 3.05-3.11 (m, 1H) , 3.40-3.45 (m, 1H) , 3.65-3.72 (m, 4H) , 3.80-3.90 (m, 2H) , 6.49 (s, 2H) , 6.57 (dd, J= 1.6, 6.8 Hz, 1H), 7.04 (dd, J= 6.8, 8.8 Hz, 1H), 7.44 (dd, J= 1.6, 8.8 Hz, 1H) . Example 123
N-Cyclopropylmethyl-N- [7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.02 (m, 2H), 0.28-O.34 (m, 2H) , 0.80-O.88 (m, 1H) , 1.60-1.70 (m, 1H) , 1.88-1.98 (m, 1H), 1.98 (s, 1.5H), 1.99 (s, 1.5H), 2.20-2.30 (m, 1H), 2.40 (s, 3H), 2.43 (s, 3H) , 2.88-2.92 (m, 2H) , 3.04-3.10 (m, 1H), 3.20-3.26 (m, 1H), 3.60-3.64 (m, 1H), 3.65-3.70 (m, 4H), 3.74-3.84 (m, 2H) , 6.50 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.75 (s, 1H) , 7.05 (dd, J = 6.8, 8.8 Hz, 1H), 7.39-7.41 (m, 1H). Example 12 4 N-Ethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-'

(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine
(Light yellow oil)
1H NMR (400MHz, CDC13) 6 0.97 (t, J - 7.2 Hz, 3H) , 1.55-1.66 (m, 1H) , 1.87-1.97 (m, 1H) , 1.98 (s, 1.5H), 1.99 (s, 1.5H), 2.20-2.28 (m, 1H) , 2.40 (s, 3H) , 2.43 (s, 3H) , 3.02 (dd, J= 8.4, 12.0 Hz, 1H) , 3.10 (q, J = 7.2 Hz, 2H), 3.19 (dd, J = 6.A, 12.0 Hz, 1H), 3.57 (dd, J= 5.6, 8.4 Hz, 1H), 3.63-3.71 (m, 4H), 3.72-3.84 (m, 2H) , 6.51 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H), 6.75 (s, 1H) , 7.05 (dd, J= 6.8, 9.2 Hz, 1H) , 7.35 (dd, J = 1.6, 9.2 Hz, 1H). Example 125
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Light yellow oil)
1H NMR (400MHz, CDCl3) 5 0.00-O.05 (m, 2H) , 0.30-O.38 (m, 2H) , 0.80-O.90 (m, 1H) , 1.55-1.70 (m, 1H) , 1.86-1.96 (m, 1H) , 2.22-2.30 (m, 1H) , 2.44 (s, 3H), 2.45 (s, 3H), 2.90 (d, J= 6.4 Hz, 2H), 3.04-3.10 (m, 1H), 3.21-3.26 (m, 1H) , 3.60-3.68 (m, 2H) , 3.70 (s, 6H) , 3.73-3.84 (m, 2H) , 6.49 (s, 2H) , 6.57-6.60 (m, 1H) , 7.02-7.07 (m, 1H), 7.36-7.40 (m, 1H). Example 12 6 1-(2-(Cyclopropylmethyl)[7-(2-methoxy-4,6-

dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] aminoethyl) -2-pyrrolidinone (Light yellow oil) XE NMR (400MHz, CDC13) δ -O.07-O.03 (m, 2H) , 0.27-O.47 (m, 2H), 0.78-O.88 (m, 1H), 1.86-1.96 (m, 2H), 1.99 (s, 3H) , 2.28-2.36 (m, 2H) , 2.40 (s, 3H) , 2.43 (s, 3H) , 2.88-2.98 (m, 2H) , 3.32-3.43 (m, 6H) , 3.68 (s, 3H) , 6.51. (dd, J= 1.3, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.39 (dd, J= 1.3, 8.8 Hz, 1H). Example 127
N-[7-(2, 6-Dimethoxy-4-methylphenyl)-2-(methylsulf anyl) pyrazolo [1, 5-a]pyridin-3-yl] -JV-propyl-N-tetrahydro-3-furanylmethylamine (White crystals)
^H NMR (400MHz, CDCI3) 5 0.89 (t, J= 7.3 Hz, 3H) , 1.39 (ddq, J = 7.3, 7.3, 7.3 Hz, 2H) , 1.57-1.67 (m, 1H) , 1.87-1.97 (m, 1H) , 2.18-2.31 (m, 1H) , 2.44 (s, 3H) , 2.44 (s, 3H), 2.97-3.04 (m, 1H) , 3.01 (dd, J= 7.3, 7.3 Hz, 2H) , 3.12-3.20 (m, 1H) , 3.55-3.84 (m, 4H) , 3.70 (s, 6H) , 6.49 (s, 2H), 6.58 (dd, J = 1.3, 6.8 Hz, 1H) , 7.05 (dd, J = 6.8, 8.8 Hz, 1H) , 7.35 (dd, J = 1.3, 8.8 Hz, 1H) .
Example 12 8
N- [7-(4-Methoxy-2,6-dimethylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-

N-tetrahydro-3-furanylmethylamine (Yellow oil)

1.32-1.45 (m, 2H), 1.56-1.68 (m, 1H) , 1.87-2.00 (m, 1H) , 2.01 (s, 6H) , 2.15-2.30 (m, 1H) , 2.42 (s, 3H) , 2.96-3.06 (m, 3H) , 3.17 (dd, J= 6.6, 12.0 Hz, 1H), 3.59 (dd, J = 5.7, 8.4 Hz, 1H) , 3.62-3.71 (m, 1H), 3.72-3.84 (m, 2H), 3.85 (s, 3H) , 6.45 (dd, J= 1.4, 6.8 Hz, 1H) , 6.69 (s, 2H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.36 (dd, J = 1.3, 8.9 Hz, 1H). Example 129
N-Cyclopropylmethyl-N-[7-(4-methoxy-2,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Yellow oil)
XH NMR (400MHz, CDC13) 6 -O.03-O.05 (m, 2H) , 0.30-O.38 (m, 2H) , 0.82-O.94 (m, 1H) , 1.62-1.75 (m, 1H) , 1.92-2.04 (m, 1H) , 2.05 (s, 3H), 2.06 (s, 3H), 2.24-2.37 (m, 1H) , 2.46 (s, 3H) , 2.95 (d, J= 6.8 Hz, 2H) , 3.12 (dd, J= 8.7, 12.0 Hz, 1H) , 3.29 (dd, J= 6.6, 12.0 Hz, 1H) , 3.66 (dd, J= 5.7, 8.6 Hz, 1H), 3.71 (dd, J= 7.4, 8.4 Hz, 1H) , 3.81 (dd, J= 7.2, 8.8 Hz, 1H) , 3.84-3.90 (m, 1H) , 3.89 (s, 3H) , 6.49 (dd, J= 1.5, 6.8 Hz, 1H) , 6.74 (s, 2H) , 7.09 (dd, J= 6.8, 8.8 Hz, 1H) , 7.44 (dd, J = 1.5, 8.8 Hz, 1H). Example 130

N- [7-(4-Methoxy-2,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-
N-tetrahydro-2-furanylmetTriylamine
(Yellow oil)
1H NMR (400MHz, CDCl3) 5 0.89 (t, J = 7.4 Hz, 3H) , 1.32-1.46 (m, 2H) , 1.58-1.70 (m, 1H), 1.74-1.99 (m, 3H) , 2.00 (s, 3H), 2.01 (s, 3H) , 2.41 (s, 3H) , 3.01 (dd, J = 6.8, 12.0 Hz, 1H) , 3.09 (t, J= 7.5 Hz, 2H), 3.33 (dd, J= 5.6, 12.0 Hz, 1H), 3.64-3.74 (m, 1H) , 3.77-3.90 (m, 2H), 3.85 (s, 3H), 6.44 (dd, J= 1.5, 6.8 Hz, 1H), 6.69
(s, 2H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.43 (dd, J =
1.4, 8.8 Hz, 1H).
Example 131
N-Cyclopropylmethyl-N- [7-(4-methoxy-2,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylamine
(Yellow oil)
1H NMR (400MHz, CDCl3) 5 -O.02-O.05 (m, 2H), 0.28-O.38 (m, 2H) , 0.80-O.97 (m, 1H) , 1.67-1.78 (m, 1H) , 1.79-2.06 (m, 3H) , 2.05 (s, 3H) , 2.06 (s, 3H) , 2.46 (s, 3H), 3.02 (d, J = 6.8 Hz, 2H) , 3.14 (dd, J = 7.0, 13.0 Hz, 1H) , 3.47 (dd, J = 5.5, 13.0 Hz, 1H) , 3.70-3.80 (m, 1H) , 3.82-3.98 (m, 2H), 3.89 (s, 3H) , 6.48 (dd, J= 1.5, 6.8 Hz, 1H) , 6.74 (s, 2H) , 7.09 (dd, J= 6.8, 8.8 Hz, 1H) , 7.51 (dd, J= 1.4, 8.8 Hz, 1H). Example 132

N-[7-(4-Chloro-2,6-dimethoxyphenyl)-2-(methylsulfanyl)pyrazolo[1/5-a]pyridin-3-yl3-N-propyl-N-tetrahydro-2-furanyIm^tlTyTamine (Yellow crystals)
1H NMR (400MHz, CDC13) 6 0.88 (t, J = 7.1 Hz, 3H) , 1.30-1.46 (m, 2H), 1.54-1.70 (m, 1H), 1.72-2.00 (m, 3H) , 2.43 (s, 3H) , 2.95-3.12 (m, 3H) , 3.25-3.38 (m, 1H) , 3.62-3.76 (m, 1H) , 3.70 (s, 6H) , 3.77-3.90 (m, 2H) , 6.55 (dd, J= 1.4, 6.8 Hz, 1H), 6.67 (s, 2H), 7.04 (dd, J= 6.8, 8.9 Hz, 1H), 7.43 (dd, J= 1.4, 8.9 Hz, 1H) . Example 133
N- [7-(4-Chloro-2,6-dimethoxyphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-cyclopropylmethyl-N-tetrahydro-2-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.05 (m, 2H), 0.28-O.36 (m, 2H) , 0.77-O.92 (m, 1H) , 1.62-1.72 (m, 1H) , 1.73-1.99 (m, 3H) , 2.44 (s, 3H) , 2.96 (t, J = 7.2 Hz, 2H) , 3.00-3.12 (m, 1H) , 3.35-3.46 (m, 1H), 3.62-3.76 (m, 1H), 3.70 (s, 6H), 3.77-3.92 (m, 2H) , 6.55 (dd, J= 1.3, 6.8 Hz, 1H) , 6.67 (s, 2H) , 7.04 (dd, J= 6.9, 8.8 Hz, 1H) , 7.46 (dd, J= 1.3, 8.8 Hz, 1H). Example 134
N-(3-Furylmethyl)-N- [7-(4-methoxy-2, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propylamine

(Light yellow oil) 1H R (400MHz, CDC13) 5 0.88 (t, J = 7.3 Hz, 3H) ,

J= 7.4 Hz, 2H), 3.84 (s, 3H) , 4.09 (s, 2H) , 6.32 (d, J = 1.1 Hz, 1H) , 6.41 (dd, J= 1.3, 6.8 Hz, 1H), 6.68 (s, 2H) , 7.00 (dd, J = 6.8, 8.9 Hz, 1H) , 7.23 (s, 1H) , 7.25-7.30 (m, 2H).
Example 135
N-Cyclopropylmethyl-N-(3-furylmethyl)-N-[7-(4-methoxy-2,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-alpyridin-3-yl]amine
(Yellow oil) 1H NMR (400MHz, CDC13) δ -O.02-O.08 (m, 2H), 0.30-O.40
(m, 2H) , 0.82-O.96 (m, 1H), 2.04 (s, 6H), 2.48 (s, 3H) ,
3.00 (d, J= 6.6 Hz, 2H) , 3.89 (s, 3H) , 4.24 (s, 2H) ,
6.42 (s, 1H) , 6.47 (dd, J= 1.3, 6.8 Hz, 1H) , 6.74 (s,
2H) , 7.06 (dd, J= 6.8, 8.9 Hz, 1H) , 7.30-7.36 (m, 2H) ,
7.41 (dd, J= 1.3, 8.9 Hz, 1H).
Example 136
N- (3-Furylmethyl)-N-[7-(2-methoxy-4, 6-dimethylphenyl)-
2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-
propylamine
(Yellow oil)
1H NMR (400MHz, CDC13) 5 0.87 (t, J = 7 .4 Hz, 3H) ,
1.33-1.46 (m, 2H), 1.97 (s, 3H) , 2.39 (s, 3H), 2.43_(s,
' 3H) , 3.06 (t, J = 7.3 Hz, 2H) , 3.67 (s, 3H) , 4.09 (s,

2H) , 6.32-6.38 (m, 1H) , 6.48 (dd, J= 1.3, 6.8 Hz, 1H), 6.66 (s, 1H) , 6.75 (s, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz,
Example 137
N-Cyclopropylmethyl-N-(3-furylmethyl)-N-[7-(2-methoxy-
4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]amine
(Yellow oil) 1H NMR (400MHz, CDC13) δ -O.03-O.06 (m, 2H), 0.28-O.38
(m, 2H), 0.80-O.93 (m, 1H), 2.00 (s, 3H), 2.42 (s, 3H) , 2.46 (s, 3H) , 2.97 (dd, J= 2.1, 6.7 Hz, 2H) , 3.69 (s, 3H), 4.22 (s, 2H), 6.38-6.42 (m, 1H) , 6.51 (dd, J = 1.5, 6.8 Hz, 1H) , 6.69 (s, 1H) , 6.78 (s, 1H) , 7.05 (dd, J = 6.8, 8.8 Hz, 1H), 7.26-7.34 (m, 2H), 7.39 (dd, J= 1.5, 8.8 Hz, 1H). Example 138
N-[7- (2, 6-Dimethoxy-4-methylphenyl) -2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-propyl-N-tetrahydro-2-furanylmethylamine (White crystals)
1H NMR (400MHz, CDC13) δ 0.87 (t, J= 7.3 Hz, 3H) , 1.40 (ddq, J = 7.3, 7.3, 7.3 Hz, 2H) , 1.58-1.68 (m, 1H) , 1.72-1.98 (m, 3H) , 2.44 (s, 3H) , 2.44 (s, 3H) , 2.96-3.04 (m, 1H), 3.07 (dd, J= 7.3, 7.3 Hz, 2H), 3.31-3.38 (m, 1H), 3.63-3.73 (m, 1H), 3.69 (s, 6H), 3.78-3.89 (m, 2H) , 6.49 (s, 2H) , 6.57 (dd,' J = 1.3, 6.8 Hz, 1H) , 7.04

(dd, J= 6.8, 8.8 Hz, 1H) , 7.41 (dd, J= 1.3, 8.8 Hz,
1H) .
Example 139 3-(Cyclopropylmethyl) [7-(2-methoxy-4, 6-dimethylphenyl)-
2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-
yl]aminotetrahydro-2-furanone
(White crystals) 1H NMR (400MHz, CDC13) δ -O.03-O.08 (m, 2H) , 0.23-O.34
(m, 2H), 0.80-O.92 (m, 1H), 1.98 (s, 3H), 2.21-2.47 (m, 2H) , 2.40 (s, 3H) , 2.43 (s, 3H) , 3.15-3.23 (m, 1H) , 3.25-3.33 (m, 1H) , 3.67 (s, 3H) , 4.08-4.21 (m, 3H) , 6.54 (dd, J= 1.3, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H), 7.10 (dd, J= 6.8, 8.8 Hz, 1H) , 7.65 (dd, J= 1.3, 8.8 Hz, 1H). Example 14 0
N-Cyclopropylmethyl-N- [7-(2,4-dimethoxy-6-ntethylphenyl) -2- (methylsulfanyl)pyrazolo [1, 5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDCl3) 5 -O.02-O.01 (m, 2H) , 0.30-O.35 (m, 2H) , 0.80-O.90 (m, 1H) , 1.60-1.70 (m, 1H) , 1.88-1.98 (m, 2H), 2.01 (s, 1.5H), 2.02 (s, 1.5H), 2.20-2.30 (m, 1H) , 2.43 (s, 3H), 2.88-2.92 (m, 2H) , 3.04-3.10 (m, 1H), 3.20-3.27 (m, 1H), 3.60-3.65 (m, 1H), 3.65-3.70 (m, 4H), 3.74-3.85 (m, 2H), 3.84 (s. 3H), 6.42 (d, J= 2.0 Hz, 1H) , 6.46 (d, J = 2.0 Hz, 1H) , 6.50 (dd, J = 1.2, •

6.8 Hz., 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.37-7.40 (m, 1H) . Example 141 N- [7-(2, 4-Dimethoxy-6-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-Ntetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) 5 0.89 (t, J - 7.6 Hz, 3H) , 1.34-1.44 (m, 2H) , 1.58-1.66 (m, 1H), 1.88-1.96 (m, 1H) , 2.01 (s, 1.5H), 2.02 (s, 1.5H), 2.20-2.30 (m, 1H) , 2.43 (s, 3H) , 2.97-3.04 (m, 3H) , 3.14-3.20 (m, 2H) , 3.56-3.60 (m, 1H) , 3.63-3.70 (m, 4H) , 3.74-3.83 (m, 2H) ,
3.87 (s, 3H) , 6.42 (d, J = 2.0 Hz, 1H) , 6.46 (d, J =
2.0 Hz, 1H), 6.50 (dd, J= 1.2, 6.8 Hz, 1H) , 7.05 (dd,
J= 6.8, 8.8 Hz, 1H), 7.35 (dd, J= 1.2, 8.8 Hz, 1H).
Example 142
A7-Cyclopropylmethyl-N- [7- (2, 4-dimethoxy-6-methylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl] -2\J'-tetrahydro-2-furanylamine (Light yellow crystals)
1H NMR (400MHz, CDC13) 5 -O.06-O.00 (m, 2H) , 0.26-O.35 (m, 2H) , 0.82-O.90 (m, 1H) , 1.57-1.72 (m, 1H) , 1.74-
1.88 (m, 2H) , 1.90-1.99 (m, 1H) , 2.01 (s, 1.5H), 2.02
(s, 1.5H), 2.44 (s, 3H) , 2.97 (d, J = 6.8 Hz, 2H) ,
3.05-3.12 (m, 1H) , 3.38-3.45 (m, 1H) , 3.66 (s, 1 . 5H) ,
3.67 (s, 1.5ft), 3.67-3.72 (m, 2H) , 3.80-3.92 (m, 5H) ,

6.42 (d, J = 2.0 Hz, 1H) , 6.46 (d, J = 2.0 Hz, 1H) , 6.48-6.52 (m, 1H) , 7.04 (dd, J = 6.8, 8.8 Hz, 1H) ,

Example 143
N-[7-(2,4-Dimethoxy-6-methylphenyl)-2-(methylsulf anyDpyrazolo [1, 5-a]pyridin-3-yl] -N-propyl-N-tetrahydro-2-furanylamine (Light yellow crystals)
1H NMR (400MHz, CDC13) 5 0.88 (t, J = 7.6 Hz, 3H) , 1.35-1.44 (m, 2H), 1.58-1.68 (m, 1H), 1.76-1.87 (m, 2H) , 1.88-1.99 (m, 1H) , 2.01 (s, 1.5H), 2.02 (s, 1. 5H) , 2.43 (s, 3H) , 2.98-3.04 (m, 1H) , 3.05-3.10 (m, 2H) , 3.30-3.36 (m, 1H) , 3.66 (s, 3H) , 3.66-3.72 (m, 1H) , 3.80-3.86 (m, 2H) , 3.87 (s, 3H) , 6.42 (d, J = 2.0 Hz, 1H) , 6.46 (d, J = 2.0 Hz, 1H) , 6.50 (dd, J = 1.6, 6.8 Hz, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H), 7.40-7.44 (m, 1H) . Example 144
N-Cyclopropylmethyl-W-[7-(2,6-dimethoxy-4-methylphenyl) -2-(methylsulfanyDpyrazolo[1,5-a]pyridin-3-yl]-N- (3-furylmethyl)-amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.30-O.37
(m, 2H) , 0.80-O.92 (m, 1H), 2.44 (s, 3H), 2.46 (s, 3H) ,
2.95 (d, J= 6.8 Hz, 2H) , 3.69 (s, 6H) , 4.21 (s, 2H) ,
6.38-6.42 (m, 1H) , 6.49 (s, 2H) , 6.57 (dd, J= 1.3, 6.8
Hz, 1H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.28-7.32 (m,

2H) , 7.37 (dd, J= 1.5, 8.8 Hz, 1H).
Example 145

(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-propyl-
N-tetrahydro-3-furanylmethylamine
(Yellow oil) 1H NMR (400MHz, CDC13) 5 0.89 (t, J = 7.2 Hz, 3H) ,
1.34-1.43 (m, 2H), 1.55-1.66 (m, 1H), 1.88-1.98 (m, 1H) , 1.99 (s, 1.5H), 2.00 (s, 1.5H), 2.20-2.30 (m, 1H), 2.40
(s, 3H), 2.42 (s, 3H), 2.96-3.05 (m, 3H), 3.14-3.20 (m, 1H), 3.58 (dd, J= 5.6, 8.4 Hz, 1H), 3.63-3.70 (m, 1H) , 3.68 (s, 3H), 3.74-3.84 (m, 2H) , 6.51 (dd, J= 1.6, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.75 (s, 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.35 (dd, J= 1.6, 6.8 Hz, 1H). Example 146
N-Cyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(2-tetrahydro-2-furanylethyl)amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.03-O.00 (m, 2H) , 0.26-O.32 (m, 2H) , 0.80-O.90 (m, 1H) , 1.38-1.50 (m, 1H) , 1.50-1.60 (m, 1H) , 1.64-1.76 (m, 1H) , 1.80-1.90 (m, 1H) , 1.91-1.98 (m, 1H), 1.98 (s, 1.5H), 1.99 (s, 1.5H), 2.40 (s, 3H) , 2.43 (s, 3H) , 2.93 (d, J= 6.8 Hz, 2H) , 3.20-3.34 (m, 2H) , 3.66-3.73 (m, 1H) , 3.68 (s, 3H) , 3.80-3.86 (m, 1H), 3.88-3.96 (m, 1H) , 6.49 (dd, J= 1.6, 6.8

Hz, 1H) , 6.67 (s, 1H)/ 6.75 (s, 1H) , 7.03 (dd, J= 6.8,
8.8 Hz, 1H), 7.42 (dd, J= 1.6, 8.8 Hz, 1H).
N-Cyclopropylmethyl-N- [7-(2-methoxy-4,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]-N- (3-pyridylmethyl)amine
(Yellow oil) 1H NMR'(400MHz, CDCl3) 5 -O.04-O.01 (m, 2H), 0.28-O.35
(m, 2H), 0.80-O.89 (m, 1H), 1.94 (s, 3H), 2.39 (s, 3H), 2.44 (s, 3H), 2.87-2.97 (m, 2H) , 3.65 (s, 3H) , 4.36 (s, 2H), 6.48 (dd, J= 1.3, 6.8 Hz, 1H), 6.66 (s, 1H), 6.74
(s, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H) , 7.17 (dd, J = 4.8, 8.0 Hz, 1H), 7.38 (dd, J= 1.3, 8.8 Hz, 1H), 7.74
(d, J= 8.0 Hz, 1H), 8.42 (d, J= 4.8 Hz, 1H), 8.61 (s,
1H) .
Example 148
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-
methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-
3-yl]-N- (2-furylmethyl)amine
(Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.04-O.06 (m, 2H) , 0.28-O.36 (m, 2H) , 0.80-O.93 (m, 1H), 2.42 (s, 3H), 2.45 (s, 3H) , 3.00 (d, J= 6.8 Hz, 2H) , 3.68 (s, 6H) , 4.31 (s, 2H) , 6.08-6.12 (m, 1H) , 6.24 (dd, J= 1.8, 3.1 Hz, 1H) , 6.48 (s, 2H) , 6.55 (dd, J= 1.4, 6.8 Hz, 1H) , 6.99 (dd, J = 6.8, 8.9 Hz, 1H) , 7.24 (dd, J= 1.3, 8.8 Hz, 1H) , 7.32

(dd, J = 0.7, 1.8 Hz, 1H).
Example 14 9

methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-
3-yl]-N-[(5-methyl-2-furyl)methyl]amine
(Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H) , 0.28-O.36 (m, 2H), 0.80-O.93 (m, 1H), 2.22 (s, 3H), 2.42 (s, 3H), 2.45 (s, 3H) , 3.00 (d, J = 6.8 Hz, 2H) , 3.68 (s, 6H) , 4.25 (s, 2H) , 5.78-5.82 (m, 1H) , 5.97 (d, J = 3.1 Hz, 1H), 6.48 (s, 2H), 6.55 (dd, J= 1.4, 6.9 Hz, 1H), 6.98
(dd, J = 6.8, 8.9 Hz, 1H) , 7.25 (dd, J = 1.4, 8.9 Hz,
1H) .
Example 150
N-Cyclopropylmethyl-N- [7-(2-methoxy-4,6-
dimethylphenyl) -2- (methylsulf anyDpyrazolo [1, 5-
a]pyridin-3-yll-N- (lH-3-pyrrolylmethyl)amine
(Yellow oil) lE NMR (400MHz, CDCl3) 5 -O.06- -O.03 (m, 2H) , 0.28-
0.34 (m, 2H), 0.78-O.88 (m, 1H), 1.97 (s, 3H), 2.39 (s,
3H), 2.44 (s, 3H) , 2.88 (d, J= 6.4 Hz, 2H) , 3.66 (s,
3H), 4.34 (s, 2H) , 6.07-6.10 (m, 1H) , 6.09 (dd, J= 2.4,
5.6 Hz, 1H) , 6.50 (dd, J= 1.6, 6.8 Hz, 1H) , 6.66 (s,
1H), 6.70-6.72 (m, 1H) , 6.74 (s, 1H), 7.04 (dd, 'J = 6.8,
8.8 Hz, 1H), 7.35 (dd, J= 1.6, 8.8 Hz, 1H), 8.70-8.80
(m, 1H) .

Example 151
N-Cyclopropylmethyl-N- [7- (2-inethoxy-4, 6-

a]pyridin-3-yl] -N- (lH-4-pyrazolylmethyl) amine (Yellow oil)
1H NMR (400MHz, CDC13) δ 0.00-O.02 (m, 2H) , 0.33-O.39 (m, 2H), 0.82-O.92 (m, 1H), 1.98 (s, 3H), 2.41 (s, 3H) ,
2.47 (s, 3H) , 2.95 (d, J = 6.8 Hz, 2H) , 3.67 (s, 3H) ,
4.49 (s, 2H) , 6.14 (d, J = 1.6 Hz, 1H) , 6.53 (dd, J =
1.2, 6.8 Hz, 1H) , 6.68 (s, 1H), 6.70 (s, 1H) , 7.08 (dd,
J = 6.8, 8.8 Hz, 1H) , 7.39 (dd, J = 1.2, 8.8 Hz, 1H) ,
7.48 (d, J = 1.2 Hz, 1H).
Example 152
N-Cyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyDpyrazolo[1,5-a]pyridin-3-yl]-N-(4-pyridylmethyl)amine (Yellow oil)
lH NMR (400MHz, CDCI3) 5 -O.06- -O.02 (m, 2H) , 0.29-0.36 (m, 2H), 0.81-O.90 (m, 1H) , 1.95 (s, 3H), 2.39 (s, 3H) , 2.44 (s, 3H) , 2.83-2.95 (m, 2H) , 3.65 (s, 3H) , 4.37 (s, 2H) , 6.49 (dd, J- 1.3, 6.8 Hz, 1H) , 6.65 (s, 1H) , 6.73 (5, 1H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.39 (d, J = 6.0 Hz, 2H) , 7.43 (dd, J = 1.3, 8.8 Hz, 1H) , 8.47 (d, J = 6.0 Hz, 2H). Example 153 N-Cyclopropylmethyl-N-(2,2-difluoroethyl)-N- [7-(2-

methoxy-4,6-dimethylphenyl)-2- -(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H), 0.28-O.38 (m, 2H), 0.78-O.90 (m, 1H) , 1.97 (s, 3H), 2.38 (s, 3H) , 2.42 (s, 3H) , 2.99 (dd, J= 1.6, 6.8 Hz, 2H), 3.49 (dd, J= 4.4, 9.6 Hz, 2H) , 3.66 (s, 3H) , 5.76 (tt, J= 4.6, 56.4 Hz, 1H) , 6.52 (dd, J= 1.6, 7.2 Hz, 1H) , 6.65 (s, 1H) , 6.74 (s, 1H) , 7.08 (dd, J= 6.8, 8.8 Hz, 1H), 7.41 (dd, J = 1.6, 8.8 Hz, 1H). Example 154
N-(2,2-Difluoroethyl)-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 1.58-1.66 (m, 1H) , 1.90-1.98 (m, 1H), 1.99 (s, 3H), 2.18-2.26 (m, 1H) , 2.40 (s, 3H), 2.44 (s, 3H) , 3.06-3.14 (m, 1H) , 3.22-3.28 (m, 1H) , 3.36-3.46 (m, 2H), 3.56-3.62 (m, 1H), 3.64-3.72 (m, 1H), 3.68 (s, 3H) , 3.72-3.84 (m, 2H) , 5.74 (tt, J = 4.4, 56.4 Hz, 1H) , 6.56 (dd, J= 1.6, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H) , 7.12 (dd, J= 6.8, 8.8 Hz, 1H), 7.36 (dd, J = 1.2, 8.8 Hz, 1H). Example 155
2v-Cyclopropylmethyl-N- [7- [2- (f luoromethoxy) -4, 6-dimethylphenyl]-2-(methylsulfanyl)pyrazolo[1,5-

a]pyridin-3-yl] -N-tetrahydro-3-furanylm.ethylamine (Light yellow oil)

(m, 2H) , 0.78-O.88 (m, 1H) , 1.59-1.70 (m, 1H) , 1.88-1.98 (m, 1H), 2.04 (s, 3H) , 2.20-2.30 (m, 1H), 2.40 (s, 3H), 2.41 (s, 3H), 2.84-2.94 (m, 2H), 3.02-3.10 (m, 1H) , 3.20-3.27 (m, 1H) , 3.58-3.70 (m, 2H) , 3.72-3.85 (m, 2H) , 5.40 (dd, J= 2.4, 75 Hz, 1H), 5.53 (dd, J= 2.4, 75 Hz, 1H) , 6.50 (dd, J= 1.3, 6.8 Hz, 1H) , 6.91 (s, 1H), 6.94 (s, 1H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H) , 7.40 (dd, J = 1.3, 8.8 Hz, 1H). Example 156
N-Cyclopropylmethyl-N- [7- (2-iaethoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-[(l-methyl-lH-2-imidazolyl)methyl]amine (Light yellow amorphous)
2H NMR (400MHz, CDC13) δ -O.08-O.02 (m, 2H), 0.23-O.33 (m, 2H), 0.75-O.85 (m, 1H) , 1.98 (s, 3H) , 2.40 (s, 3H), 2.43 (s, 3H), 2.85-2.91 (m, 2H) , 3.65 (s, 3H), 3.66 (s, 3H), 4.43 (s, 2H), 6.49 (dd, J =1.3, 6.8 Hz, 1H), 6.66 (s, 1H) , 6.74 (s, 1H) , 6.79 (d, J= 1.2 Hz, 1H) , 6.91 (d,. J = 1.2 Hz, 1H) , 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.26 (dd, J= 1.3, 8.8 Hz, 1H). Example 157 N3-Cyclopropylmethyl-N3-[6-(dimethylamino)-3-

pyridyl]methyl-7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-amine

1H NMR (400MHz, CDC13) 6 -O.12- -O.02 (m, 2H) , 0.22-0.32 (m, 2H) , 0.75-O.86 (m, 1H), 1.95 (.s, 3H), 2.39 (s, 3H) , 2.43 (s, 3H) , 2.80-2.92 (m, 2H) , 3.04 (s, 6H) , 3.65 (s, 3H) , 4.19 (s, 2H) , 6.44 (d, J = 8.0 Hz, 1H) , 6.47 (dd, J= 1.3, 6.8 Hz, 1H) , 6.65 (s, 1H) , 6.73 (s, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H) , 7.40 (dd, J= 1.3, 8.8 Hz, 1H) , 7.53 (dd, J= 2.4, 8.0 Hz, 1H) , 8.11 (d, J
= 2.4 Hz, 1H).
Example 158
2-[7-(2-Methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]amino-1-
methylethyl benzoate (Yellow oil) 1H NMR (400MHz, CDC13) 5 1.41-1.49 (m, 3H) , 1.96 (s,
3H) , 2.35 (s, 3H) , 2.39 (s, 3H) , 3.35-3.49 (m, 2H) ,
3.66 (s, 3H) , 5.25-5.36 (m, 1H) , 6.52 (dd, J= 6.8 Hz,
1H), 6.66 (s, 1H), 6.75 (s, 1H) , 7.01 (dd, J= 6.8, 8.8
Hz, 1H) , 7.38 (d, J= 8.0 Hz, 1H) , 7.46 (dd, J= 8.0,
8.0 Hz, 1H) , 7.46 (d, J = 8.8 Hz, 1H) , 7.57 (dd, J =
8.0, 8.0 Hz, 1H), 8.07 (d, J= 8.0 Hz, 2H).
Example 159
N-Cyclopropylmethyl-N- [7-(2-methoxy-4,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-

a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine
After dissolving N-cyclopropylmethyl-N- [7-(2-

(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (100 mg) in tetrahydrofuran (2 mL) , tetrahydro-2H-4-pyrancarbaldehyde (78 mg) [CAS No.50675-18-8] and sodium triacetoxyborohydride (87 mg) were added, and the mixture was stirred for 1 hour. Saturated aqueous sodium hydrogencarbonate was added to the reaction mixture, extraction was performed with ethyl acetate, and the extract was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (70 mg) was obtained from the n-hexane:ethyl acetate (7:1) fraction as a yellow oil. 1H NMR (400MHz, CDC13) δ -O.05-O.00 (m, 2H), 0.27-O.35 (m, 2H) , 0.80-O.90 (m, 1H) , 1.22-1.33 (m, 2H) , 1.50-1.62 (m, 1H), 1.75-1.82 (m, 2H) , 2.00 (s, 3H) , 2.40 (s, 3H), 2.43 (s, 3H) , 2.88 (d, J= 6.4 Hz, 2H), 3.05 (d, J = 7.2 Hz, 2H) , 3.28-3.35 (m, 2H) , 3.69 (s, 3H) , 3.90-3.96 (m, 2H) , 6.50 (dd, J= 1.2, 6.8 Hz, 1H) , 6.68 (s, 1H), 6.76 (s, 1H), 7.04 (dd, J= 6.8, 8.8 Hz,'lH), 7.40 (dd, J = 1.2, 8.8 Hz, 1H).
The compounds of Examples 160 to 198 were

synthesized according to the production method of
Example 159.
N- [7-(4-Chloro-2,6-dimethoxyphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-
cyclopropylmethyl-N-tetrahydro-2H-4-pyranylamine
(Yellow oil) lK NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H), 0.26-O.36
(m, 2H) , 0.72-O.88 (m, 1H) , 1.50-1.65 (m, 2H) , 1.84-
1.94 (m, 2H) , 2.49 (s, 3H) , 3.04 (d, J = 6.6 Hz, 2H) , 3.30-3.39 (m, 1H) , 3.44 (dt, J = 1.5, 12.0 Hz, 2H) , 3.75 (s, 6H), 3.96-4.04 (m, 2H) , 6,61 (br d, J = 6.8 Hz, 1H), 6.73 (s, 2H), 7.10 (dd, J= 6.9, 8.9 Hz, 1H), 7.45
(br d, J = 8.8 Hz, 1H) .
MS (ESI) m/z 488 MH+ Example 161
N-Cyclopropylmethyl-N- [7- (2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2E-4-pyranylamine (Light yellow amorphous)
1H NMR (400MHz, CDC13) δ -O.08- -O.04 (m, 2H) , 0.22-0.26 (m, 2H) , 0.70-O.80 (m, 1H) , 1.46-1.60 (m, 2H) , 1.80-1.86 (m, 2H), 1.99 (s, 3H) , 2.40 (s, 3H), 2.43 (s, 3H), 2.99 (d, J= 6.4 Hz, 2H), 3.26-3.34 (m, 1H), 3.35-3.43 (m, 2H), 3.68 (s, 3H), 3.92-3.98 (m, 2H) , 6.50 (dd, J= 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.75 (s, 1H) , 7.05

(dd, J = 6.8, 8.8 Hz, 1H) , 7.38 (dd, J = 1.2, 8.8 Hz, 1H) .

N- [7-(2-Methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-N-tetrahydro-2H,-4-pyranylamine (Light yellow crystals)
1H NMR (400MHz, CDC13) 5 0.87 (t, J = 7.2 Hz, 3H) , 1.26-1.36 (m, 2H), 1.50-1.60 (m, 2H), 1.80-1.86 (m, 2H) , 2.40 (s, 3H) , 2.42 (s, 3H) , 3.09 (t, J= 6.4 Hz, 2H) , 3.16-3.24 (m, 1H) , 3.38 (t, J= 11.6 Hz, 2H), 3.69 (s, 3H) , 3.92-3.98 (m, 2H) , 6.49-6.52 (nv, 1H) , 6.67 (s, 1H) , 6.75 (s, 1H), 7.02-7.08 (m, 1H), 7.34-7.38 (m, 1H) . Example 163
N-(3-Fluoropropyl)-N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2JJ-4-pyranylamine (Light yellow crystals)
aH NMR (400MHz, CDC13) δ 1.50-1.73 (m, 4H) , 1.80-1.86 (m, 2H) , 1.99 (s, 3H) , 3.14-3.23 (m, 1H) , 3.30 (t, J = 6.8 Hz, 2H) , 3.37 (dt, J= 2.0, 12.0 Hz, 2H), 3.69 (s, 3H), 3.92-4.00 (m, 2H) , 4.55 (td, J= 5.6, 47.6 Hz, 2H), 6.53 (dd, J= 1.2, 6.8 Hz, 1H) , 6.61 (s, 1H) , 6.75 (s, 1H) , 7.07 (dd, J= 6.8, 8.8 Hz,' 1H) , 7.33 (dd, J= 1.2, 8.8 Hz, 1H). Example 164

AI-Cyclopropylmethyl-N- [7-(2, 6-dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-

(Light yellow amorphous)
lE NMR (400MHz, CDC13) δ -O.04-O.00 (m, 2H) , 0.24-O.30 (m, 2H) , 0.70-O.80 (m, 1H) , 1.48-1.62 (m, 2H) , 1.80-1.86 (m, 2H) , 2.44 (s, 3H) , 2.45 (s, 3H) , 2.99 (d, J = 6.8 Hz, 2H), 3.25-3.40 (m, 2H) , 3.69 (s, 6H) , 3.90-3.98 (m, 2H) , 6.49 (s, 2H) , 6.58 (dd, J= 1.2, 6.8 Hz, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H) , 7.37 (dd, J= 1.2, 8.8
Hz, 1H).
Example 165
N- [7-(2,6-Dimethoxy-4-methylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-
W-tetrahydro-2H-4-pyranylamine (Light yellow crystals) XE NMR (400MHz, CDC13) 5 0.86 (t, J = 7.2 Hz, 3H) ,
1.28-1.36 (m, 2H), 1.49-1.60 (m, 2H), 1.80-1.86 (m, 2H) ,
2.43 (s, 6H) , 3.09 (t, J= 7.2 Hz, 2H), 3.15-3.24 (m,
1H), 3.33-3.40 (m, 2H) , 3.70 (s, 6H) , 3.92-3.98 (m, 2H) ,
6.49 (s, 2H) , 6.57-6.60 (m, 1H) , 7.02-7.06 (m, 1H) ,
7.32-7.36 (m, 1H).
Example 166
N-[7-(2,6-Dimethoxy-4-methylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (3-
fluoropropyl)-N-tetrahydro-2H-4-pyranylamine

(Light yellow crystals)
1H NMR (400MHz, CDC13) 5 1.50-1.73 (m, 4H) , 1.80-1.86 -
3.14-3.23 (in, 1H) , 3.29 (t, J= 6.4 Hz, 2H) , 3.37 (t, J
= 12.0 Hz, 2H) , 3.70 (s, 6H) , 3.92-3.99 (m, 2H) , 4.54
(td, J= 5.6, 47.6 Hz, 2H), 6.49 (s, 2H), 6.58-6.62 (m,
1H), 7.04-7.08 (m, 1H) , 7.29-7.33 (m, 1H) .
Example 167
AT- [7- (4-Methoxy-2, 6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[l,5-a]pyridin-3-yl]-N-propyl-N-tetrahydro-2ff-4-pyranylamine
(Yellow oil)
1H NMR (400MHz, CDCI3) 5 0.87 (t, J = 7.3 Hz, 3H) , 1.24-1.37 (m, 2H), 1.46-1.60 (m, 2H) , 1.78-1.86 (m, 2H), 2.01 (s, 6H) , 2.40 (s, 3H) , 3.09 (t, J= 7.2 Hz, 2H) , 3.15-3.25 (m, 1H) , 3.38 (dt, J = 2.0, 12.0 Hz, 2H) , 3.85 (s, 3H), 3.92-3.99 (m, 2H) , 6,44 (dd, J= 1.5, 6.8 Hz, 1H) , 6.69 (s, 2H) , 7.05 (dd, J- 6.8, 9.0 Hz, 1H) , 7.37 (dd, J= 1.4, 8.9 Hz, 1H).
MS (ESI) m/z 440 MH+ Example 168
N-Cyclopropylmethyl-N- [7-(4-methoxy-2, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2tf-4-pyranylamine (Yellow crystals)
1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H), 0.28-O.37

(m, 2H) , 0.78-O.90 (m, 1H) , 1.55-1.68 (m, 2H) , 1.89-
1.98 (m, 2H), 2.11 (s, 6H) , 2.51 (s, 3H) , 3.09 (d, J =
Hz, 2H), 3.95 (s, 3H), 4.02-4.09 (m, 2H) , 6,54 (dd, J =
1.4, 6.6 Hz, 1H) , 6.79 (s, 2H) , 7.15 (dd, J= 6.7, 8.9
Hz, 1H), 7.49 (dd, J= 1.4, 8.9 Hz, 1H). MS(ESI) m/z 452 MH+
Example 169
N- (3-Fluoropropyl)-N- [7-(4-methoxy-2,6-dimethylphenyl)-
2-(methylsulfanyl)pyrazolo[1,5-a]pyridln-3-yl]-N-tetrahydro-2H-4-pyranylamlne
(Light brown oil) 2H NMR (400MHz, CDC13) δ 1.48-1.65 (m, 2H), 1.66-1.74
(m, 2H), 1.78-1.87 (m, 2H), 2.01 (s, 6H), 2.40 (s, 3H), 3.14-3.24 (m, 1H) , 3.29 (t, J= 6.6 Hz, 2H) , 3.37 (dt, J= 2.0, 12.0 Hz, 2H), 3.85 (s, 3H), 3.92-4.00 (m, 2H), 4.49 (t, J = 5.8 Hz, 1H) , 4.61 (t, J = 5.8 Hz, 1H) , 6,46 (dd, J= 1.5, 6.8 Hz, 1H), 6.69 (s, 2H), 7.07 (dd, J= 6.8, 8.8 Hz, 1H), 7.34 (dd, J= 1.4, 8.8 Hz, 1H) .
MS (ESI) m/z 458 MH+ Example 170
N-[7-(4-Chloro-2,6-dimethoxyphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(3-f luoropropyl) -N-tetrahydro-2H-4-pyranylamine (Yellow crystals)
1H NMR (400MHz, CDC13) δ 1.48-1.65 (m, 2H) , 1.66-1.74

(m, 2H) , 1.78-1.87 (m, 2H) , 2.42 (s, 3H), 3.16-3.23 (m, 1H) , 3.28 (t, J= 6.6 Hz, 2H) , 3.36 (dt, J= 1.8, 12.0

5.8 Hz, 1H) , 4.60 (t, J = 5.8 Hz, 1H) , 6,57 (dd, J = 1.4, 6.9 Hz, 1H), 6.67 (s, 2H) , 7.06 (dd, J= 6.8, 8.8 Hz, 1H) , 7.33 (dd, J= 1.4, 8.8 Hz, 1H) . Example 171
N-[l-(4-Chloro-2,6-dimethoxyphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyrldin-3-yl]-N-propyl-N-tetrahydro-2H-4-pyranylamine (Yellow crystals)
1H NMR (400MHz, CDC13) 5 0.86 (t, J = 7.4 Hz, 3H) , 1.25-1.38 (m, 2H) , 1.47-1.60 (m, 2H) , 1.78-1.87 (m, 2H) , 2.42 (s, 3H) , 3.08 (t, J = 7.3 Hz, 2H) , 3.14-3.24 (m, 1H) , 3.37 (dt, J = 2.0, 12.0 Hz, 2H) , 3.70 (s, 6H) , 3.91-3.99 (m, 2H), 6,55 (dd, J= 1.4, 6.9 Hz, 1H) , 6.67 (s, 2H) , 7.04 (dd, J = 6.8, 8.8 Hz, 1H) , 7.36 (dd, J = 1.4, 8.8 Hz, 1H). MS (ESI) m/z 476 MH+ Example 17 2
N-[7-(2-Chloro-6-methoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridln-3-yl]-N-cyclopropylmethyl-N-tetrahydro-2H-4-pyranylamine (Light green crystals)
1H NMR (400MHz, CDC13) δ -O.05-O.00 (m, 2H), 0.20-O.26 (m, 2H) , 0.70-O.90 (m, 1H) , 1.50-1.62 (m, 2H) , 1.80-

1.88 (m, 2H) , 2.42 (s, 3H) , 2.43 (s, 3H) , 2.99 (d, J =
6.8 Hz, 2H), 3.25-3.44 (m, 3H), 3.70 (s, 3H) , 3.90-3.95
6.96 (d, J = 0.8 Hz, 1H) , 7.06 (dd, J = 7.2, 9.2 Hz,
1H), 7.42 (dd, J = 1.6, 8.8 Hz, 1H).
Example 173
N- [7-(2-Chloro-6-methoxy-4-methylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-J\7-tetrahydro-2H-4-pyranylamine
(Light yellow crystals)
1H NMR (400MHz, CDC13) δ 0.86 (t, J = 7.2 Hz, 3H) , 1.25-1.36 (m, 2H), 1.50-1.70 (m, 2H), 1.78-1.88 (m, 2H), 2.41 (s, 3H) , 2.42 (s, 3H) , 3.09 (t, J = 7.6 Hz, 2H) , 3.15-3.22 (m, 1H) , 3.34-3.40 (m, 2H) , 3.70 (s, 3H) , 3.93-3.96 (m, 2H) , 6.56 (dd, J = 1.2, 6.8 Hz, 1H), 6.73 (s, 1H) , 6.96 (br s, 1H) , 7.06 (dd, J = 7.2, 9.2 Hz, 1H) , 7.39 (dd, J = 1.6, 8.8 Hz, 1H) . Example 174
N-Cyclopropylmethyl-N-[7-(4-methoxy-2, 6-dlmethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (l-methyl-4-piperidyl)amine (Yellow crystals)
1H NMR (400MHz, CDCI3) 6 -O.02-O.06 (m, 2H), 0.27-O.36 (m, 2H) , 0.78-O.92 (m, 1H) , 1.56-1.68 (m, 2H) , 1.83-1.93 (m, 1H), 1.98-2.10 (m, 3H), 2.11 (s, 6H), 2.33 (s, 3H) , 2.51 (s, 3H), 2.88-2.97 (m, 2H), 3.10 (d, J= 6.6

Hz, 2H) , 3.12-3.22 (m, 1H), 3.95 (s, 3H) , 6,53 (dd, J =
1.4, 6.7 Hz, 1H) , 6.79 (s, 2H), 7.13 (dd, J= 6.8, 8.8
Example 17 5
1- (4- (Cyclopropylmethyl) [7-(4-methoxy-2,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyrldin-3-yl]amlnoplperldino)-1-ethanone
(Light yellow oil) 1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H) , 0.28-O.38
(m, 2H), 0.78-O.90 (m, 1H) , 1.43-1.56 (m, 2H) , 1.97-2.08 (m, 2H), 2.11 (s, 3H), 2.13 (s, 3H), 2.15 (s, 3H), 2.52 (s, 3H), 2.86 (dt, J= 2.8, 14.0 Hz, 1H), 3.09 (d, J= 6.6 Hz, 2H) , 3.19 (dt, J= 2.8, 14.0 Hz, 1H) , 3.38-3.50 (m, 1H) , 3.82-3.92 (m, 1H) , 3.95 (s, 3H) , 4.48-4.58 (m, 1H) , 6,56 (dd, J= 1.5, 6.8 Hz, 1H) , 6.80 (s, 2H) , 7.16 (dd, J= 6.8, 8.8 Hz, 1H) , 7.47 (dd, J= 1.5, 8.8 Hz, 1H).
MS(ESI) m/z 493 MH+ Example 17 6
N-Cyclopropylmethyl-N- [7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2-thiophenylamine (Light yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.06 (m,2H), 0.26-O.36 (m, 2H), 0.78-O.88 (m, 1H), 1.85-1.95 (m, 1H), 2.03 (s,

1.5H), 2.04 (s, 1.5H), 2.15-2.25 (m, 1H), 2.46 (s, 3H) ,
2.49 (s, 3H) , 2.76-2.84 (m, 1H) , 2.85-2.92 (m, 2H) ,
4.01-4.12 (m, 1H) , 6,57 (dd, J= 1.4, 6.8 Hz, 1H) , 6.73
(s, 1H) , 6.81 (s, 1H) , 7.12 (dd, J= 6.8, 8.8 Hz, 1H) ,
7.46 (dd, J= 1.4, 8.8 Hz, 1H).
Example 177
flf-Cyclopropylmethyl-N- [7- (2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] -2\7-tetrahydro-2JJ-3-pyranylaniine
(Yellow solid) 1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.26-O.36
(m, 2H) , 0.78-O.88 (m, 1H) , 1.32-1.44 (m, 1H) , 1.62-1.78 (m, 2H), 2.06 (s, 3H), 2.04-2.18 (m, 1H), 2.48 (s, 3H), 2.50 (s, 3H), 2.98-3.10 (m, 2H), 3.20-3.38 (m, 3H), 3.76 (s, 3H) , 3.82-3.92 (m, 1H) , 4.12-4.22 (m, 1H) , 6.60 (dd, J= 1.6, 7.2 Hz, 1H) , 6.75 (s, 1H) , 6.83 (s, 1H), 7.15 (dd, J= 7.2, 8.8 Hz, 1H) , 7.45 (dd, J= 1.6, 8.8 Hz, 1H).
MS (ESI)m/z 452 MH+ Example 17 8
N- (3-Furylmethyl)-N- [7-(4-methoxy-2,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyrldin-3-yl]-N-tetrahydro-2H-4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) 6 1.50-1.66 (m, 2H), 1.84-1.94

(m, 2H) , 1.97 (s, 6H) , 2.40 (s, 3H), 3.24-3.34 (m, 1H) ,
3.39 (t, J = 12.0 Hz, 2H) , 3.84 (s, 3H) , 3.92-4.02 (m,
1H) , 6.68 (s, 2H) , 7.03 (dd, J =6.8, 8.7 Hz, 1H) ,
7.17-7.30 (m, 3H).
Example 179
N-(3-Furylmethyl)-N-[7-(2-methoxy-4,6-dimethylphenyl)-
2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-2H-4-pyranylamine
(Yellow amorphous) 1H NMR (400MHz, CDC13) δ 1.50-1.66 (m, 2H) , 1.82-1.94
(m, 2H), 1.95 (s, 3H) , 2.39 (s, 3H) , 2.41 (s, 3H) , 3.22-3.33 (m, 1H) , 3.38 (br t, J= 12.0 Hz, 2H) , 3.66
(s, 3H), 3.90-4.02 (m, 2H), 4.20 (s, 2H), 6.28-6.33 (m, 1H), 6.49 (dd, J = 1.3, 6.8 Hz, 1H), 6.66 (s, 1H), 6.74
(s, 1H) , 7.03 (dd, J= 6.8, 8.9 Hz, 1H) , 7.18-7.30 (m, 3H) .
Example 18 0
N- [7- (2,6-Dlmethoxy-4-methylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyrldln-3-yl]-N-tetrahydro-2-furanylmethyl-N-tetrahydro-2H-4-pyranylamine (White crystals)
1H NMR (400MHz, CDC13) δ 1.47-1.66 (m, 4H), 1.73-1.94 (m, 4H) , 2.43 (s, 3H) , 2.44 (s, 3H), 2.97-3.05 (m, 1H), 3.15-3.25 (m, 1H) , 3.30-3.47 (m, 3H), 3.62-3.85 (m, 3H),

3.70 (s, 6H) , 3.90-3.99 (m, 2H) , 6.49 (s, 2H), 6.59 (dd, J = 1.3, 6.8 Hz, 1H) , 7.05 (dd, J = 6.8, 8.8 Hz, 1H) ,
Example 181
N-Cyclopropylmethyl-N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylamine (White solid)
1H NMR (400MHz, CDC13) δ -O.15- -O.03 (m, 2H) , 0.18-0.31 (m, 2H) , 0.70-O.81 (m, 1H) , 1.78-2.05 (m, 2H) , 1.98 (s, 3H), 2.40 (s, 3H), 2.44 (s, 3H) , 2.80-2.98 (m, 2H), 3.55-3.67 (m, 1H), 3.68 (s, 3H), 3.75-3.95 (m, 3H), 4.08-4.18 (m, 1H) , 6.52 (d, J = 6.8 Hz, 1H) , 6.68 (s, 1H), 6.76 (s, 1H), 7.07 (dd, J= 6.8, 8.8 Hz, 1H), 7.44 (d, J = 8.8 Hz, 1H). Example 182
N-[7-(2-Methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanyl-A7-tetrahydro-3-furanylmethylamine (White solid)
1H NMR (400MHz, CDC13) δ 1.54-1.68 (m, 1H), 1.76-2.18 (m, 4H) , 1.98 (s, 3H) , 2.40 (s, 3H) , 2.44 (s, 3H) , 2.98-3.24 (m, 2H) , 3.49-4.07 (m, 9H) , 3.68 (s, 3H) , 6.54 (d, J = 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H) , 7.09 (dd, J = 6.8, 8.8 Hz, 1H) , 7.34 (d, J = 8.8 Hz, 1H) .

Example 183
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-
(Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.28-O.34 (m, 2H) , 0.74-O.84 (m, 1H) , 1.28-1.38 (m, 1H) , 1.60-1.70 (m, 2H) , 2.04-2.12 (m, 1H) , 2.48 (s, 3H), 2.49 (s, 3H), 2.98-3.06 (m, 2H), 3.20-3.34 (m, 3H), 3.74 (s, 6H), 3.80-3.86 (m, 1H) , 4.10-4.18 (m, 1H) , 6.54 (s, 2H) , 6.64 (dd, J= 1.2, 6.8 Hz, 1H) , 7.10 (dd, J= 6.8, 8.8 Hz, 1H), 7.40 (dd, J= 1.2, 8.8 Hz, 1H). Example 18 4
N-Cyclopropylmethyl-N- [7-(2,4-dimethoxy-6-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyrldin-3-yl]-N-tetrahydro-2H-3-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H), 0.28-O.34 (m, 2H) , 0.76-O.86 (m, 1H) , 1.30-1.42 (m, 1H) , 1.60-1.74 (m, 2H) , 2.06-2.16 (m, 1H) , 2.50 (s, 3H) , 3.00-3.10 (m, 2H) , 3.20-3.38 (m, 3H) , 3.74 (s, 3H) , 3.84-3.90 (m, 1H), 3.94 (s, 3H), 4.12-4.20 (m, 1H), 6.50 (s, 1H) , 6.53. (s, 1H) , 6.58 (dd, J= 1.2, 7.2 Hz, 1H) , 7.12 (dd, J = 7.2, 8.8 Hz, 1H) , 7.43 (dd, J = 1.2, 8.8 Hz, 1H) . Example 185

N-Cyclopropylmethyl-N- [7-(2,4-dimethoxy-6-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-
31H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.26-O.34 (m, 2H) , 0.78-O.88 (m, 1H) , 1.52-1.68 (m, 2H) , 1.86-1.96 (m, 2H), 2.09 (s, 3H), 2.51 (s, 3H), 3.02-3.10 (m, 2H) , 3.32-3.40 (m, 1H), 3.40-3.50 (m, 2H) , 3.75 (s, 3H), 3.94 (s, 3H), 3.98-4.08 (m, 2H), 6.49 (s, 1H), 6.54 (s, 1H) , 6.58 (dd, J= 1.2, 6.8 Hz, 1H), 7.12 (dd, J= 6.8, 8.8 Hz, 1H), 7.46 (dd, J= 1.2, 8.8 Hz, 1H). Example 18 6
N-Cyclopropylmethyl-N- [7-(4-methoxy-2,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyrldin-3-yl]-N-tetrahydro-2tf-3-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.28-O.36 (m, 2H) , 0.78-O.88 (m, 1H) , 1.32-1.44 (m, 1H) , 1.66-1.78 (m, 2H), 2.10 (s, 6H), 2.10-2.18 (m, 1H), 2.50 (s, 3H), 3.02-3.12 (m, 2H), 3.24-3.40 (m, 3H) , 3.84-3.94 (m, 1H), 3.94 (s, 3H), 4.14-4.20 (m, 1H), 6.50 (dd, J= 1.2, 6.8 Hz, 1H) , 6.78 (s, 2H) , 7.15 (dd, J = 6.8, 8.8 Hz, 1H), 7.48 (dd, J- 1.2, 8.8 Hz, 1H). Example 187
N-Cyclopropylmethyl-N-[7-(2, 6-dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-

3-yl]-N-tetrahydro-2ff-4-pyranylmethylamine (Yellow oil)

(m, 2H) , 0,82-O.92 (m, 1H) , 1.24-1.35 (m, 2H) , 1.55-1.60 (m, 1H), 1.87-1.95 (m, 2H), 2.46 (s, 6H), 2.90 (d, J= 6.8 Hz, 2H) , 3.06 (d, J = 7.2 Hz, 2H) , 3.32 (dt, J = 2.0, 12.0 Hz, 2H) , 3.72 (s, 6H) , 3.92-3.98 (m, 2H) , 6.52 (s, 2H), 6.60 (dd, J= 1.6, 6.8 Hz, 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.41 (dd, J= 1.6, 8.8 Hz, 1H). Example 188
N-[7-(2-Methoxy-4,6-dlmethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-3-furanylmethyl-N-tetrahydro-2H-4-
pyranylamine (White amorphous)
1H NMR (400MHz, CDC13) δ 1.48-1.65 (m, 2H), 1.74-1.95 (m, 4H), 1.99 (s, 3H), 2.09-2.19 (m, 1H), 2.40 (s, 3H),
2.42 (s, 3H) , 3.01-3.25 (m, 3H) , 3.31-3.41 (m, 2H) ,
3.54-3.84 (m, 4H) , 3.69 (s, 3H) , 3,91-4.00 (m, 2H) ,
6.52 (dd, J= 1.3, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s,
1H), 7.07 (dd, J= 6.8, 8.8 Hz, 1H) , 7.31 (dd, J= 1.3,
8.8 Hz, 1H).
Example 189
N-Cyclopropylmethyl-N-(3,4-dihydro-2H-2-pyranylmethyl)-
N- [7-(2-methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[l,5-a]pyridin-3-yl]amine

(Yellow oil) 1H NMR (400MHz, CDC13) 5 -O.05-O.00 (m, 2H), 0.28-O.34
2.04 (m, 2H) , 1.99 (s, 1.5H), 2.01 (s, 1.5H), 2.04-2.13 (m, 1H) , 2.40 (s, 3H) , 2.42 (s, 3H) , 2.97 (d, J= 6.8 Hz, 2H), 3.17-3.23 (m, 1H), 3.46-3.52 (m, 1H), 3.69 (s, 1.5H), 3.70 (s, 1.5H), 3.77-3.83 (m, 1H), 4.60-4.65 (m, 1H) , 6.33 (br d, J = 6.4 Hz, 1H) , 6.50-6.53 (m, 1H) , 6.65 (br s, 1H) , 6.74 (br s, 1H) , 7.03-7.08 (m, 1H) , 7.43-7.47 (m, 1H). Example 190
N-Cyclopropylmethyl-N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridln-3-yl]-N- [(2-methoxy-3-pyrldyl)methyl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.08-O.02 (m, 2H), 0.27-O.37 (m, 2H), 0.82-O.93 (m, 1H), 1.96 (s, 3H) , 2.39 (s, 3H),
2.43 (s, 3H), 2.88-3.00 (m, 2H) , 3.66 (s, 3H) , 3.92 (s,
3H), 4.34 (s, 2H), 6.48 (dd, J= 1.3, 6.8 Hz, 1H), 6.66 (s, 1H) , 6.74 (s, 1H) , 6.82 (dd, J= 4.8, 7.2 Hz, 1H) ,
7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.41 (dd, J= 1.3, 8.8
Hz, 1H) , 7.86 (dd, J= 2.0, 7.2 Hz, 1H), 7.99 (dd, J =
2.0, 4.8 Hz, 1H).
Example 191
N-[7-(2,6-Dimethoxy-4-methylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-

tetrahydro-2ff-4-pyranyl-i\/-tetrahydro-2#-4-
pyranylmethylamine

1H NMR (400MHz, CDC13) 5 1.16-1.28 (m, 2H) , 1.39-1.65 (m, 3H) , 1.71-1.86 (m, 4H) , 2.43 (s, 3H), 2.44 (s, 3H),
2.98-3.15 (m, 3H) , 3.22-3.40 (m, 4H) , 3.71 (s, 6H) ,
3.86-3.99 (m, 4H) , 6.50 (s, 2H) , 6.60 (d, J= 6.8 Hz,
1H) , 7.05 (dd, J = 6.8, 8.8 Hz, 1H) , 7.31 (d, J = 8.8
Hz, 1H) .
Example 192
N-(2, 2-Difluoroethyl)-N-[7-(2-methoxy-4,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylamine
(White solid) lU NMR (400MHz, CDCI3) 6 1.44-1.58 (m, 2H), 1.80-1.86
(in, 2H) , 1.99 (s, 3H) , 2.40 (s, 3H) , 2.43 (s, 3H) ,
3.18-3.28 (m, 1H) , 3.32-3.42 (m, 2H), 3.44-3.54 (m, 2H) , 3.68 (s, 3H), 3.92-3.98 (m, 2H), 5.67(tt, J= 4.4, 56.4 Hz, 1H) , 6.56 (dd, J= 1.6, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H) , 7.12 (dd, J= 6.8, 8.8 Hz, 1H), 7.35 (dd, J = 1.6, 8.8 Hz, 1H). Example 193
N- (2,2-Difluoroethyl)-N-[7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] -N-tetrahydro-2JJ-4-pyranylmethylamine (Brown oil)

1H NMR (400MHz, CDC13) δ 1.20-1.32 (m, 2H), 1.50-1.62 (m, 1H), 1.76-1.82 (m, 2H) , 2.00 (s, 3H), 2.41 (s, 3H),

3.69 (s, 3H) , 3.92-3.98 (m, 2H) , 5.74(tt# J= 4.4, 56.4 Hz, 1H) , 6.56 (dd, J= 1.6, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H) , 7.11 (dd, J= 6.8, 8.8 Hz, 1H), 7.36 (dd, J = 1.2, 8.8 Hz, 1H). Example 194
N-Butyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1, 5-a]pyridin-3-yl] -N-tetrahydro-2.H-4-pyranylmethy1amine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 0.85 (t, J = 7.2 Hz, 3H) , 1.19-1.40 (m, 6H), 1.48-1.60 (m, 1H) , 1.74-1.80 (m, 2H) , 2.43 (s, 6H) , 2.95 (d, J = 6.8 Hz, 2H) , 3.01 (t, J = 6.8 Hz, 2H) , 3.30 (dt, J= 2.0, 11.6 Hz, 2H) , 3.70 (s, 3H), 3.88-3.95 (m, 2H) , 6.48 (s, 2H) , 6.57 (dd, J= 1.6, 7.2 Hz, 1H) , 7.02 (dd, J= 7.2, 8.8 Hz, 1H), 7.33 (dd, J = 1.6, 8.8 Hz, 1H). Example 195
N-Cyclobutylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo [1, 5-a]pyridin-3-yl] -J\Ktetrahydro-2H-4-pyranylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.18-1.29 (m, 2H) , 1.48-1.63 (m, 3H) , 1.70-1.80 (m, 4H) , 1.81-1.90 (m, 2H) , 2.30-

2.40 (m, 1H) , 2.43 (s, 3H) , 2.44 (s, 3H) , 2.93 (d, J = 6.8 Hz, 2H) , 3.04 (d, J = 7.0 Hz, 2H) , 3.30 (dt, J =

6.48 (s, 2H), 6.57 (dd, J= 1.6, 6.8 Hz, 1H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H), 7.31 (dd, J= 1.6, 8.8 Hz, 1H). Example 196
A/-Cyclopropylmethyl-l\7- [7- (2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-3-pyranylmethylamlne (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H) , 0.28-O.42 (m, 2H) , 0.82-O.92 (m, 1H) , 1.22-1.32 (m, 1H) , 1.52-1.66 (m, 2H) , 1.72-1.80 (m, 1H) , 1.86-1.94 (m, 1H) , 2.04 (br s, 3H) , 2.45 (br s, 3H) , 2.47 (br s, 3H) , 2.86-2.94 (m, 2H), 2.96-3.04 (ra, 1H), 3.14-3.22 (m, 1H) , 3.24-3.30 (m, 1H), 3.40-3.46 (m, 1H), 3.72 (br s, 3H) , 3.84-3.90 (m, 1H) , 4.12-4.18 (m, 1H) , 6.54 (dd, J= 1.6, 6.8 Hz, 1H) , 6.71 (s, 1H) , 6.79 (s, 1H) , 7.07 (dd, J = 6.8, 8.8 Hz, 1H) , 7.44 (dd, J= 1.6, 8.8 Hz, 1H) . MS (ESI) m/z 4 66 MH+ Example 197
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-(methylsulfany1)pyrazolo[1, 5-a]pyrldin-3-yl] -N-tetrahydro-2fl"-3-pyranylmethylamine (Yellow oil) 1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H), 0.30-O.36

(m, 2H) , 0.80-O.90 (m, 1H) , 1.18-1.28 (m, 1H) , 1.52-1.60 (m, 2H) , 1.66-1.76 (m, 1H) , 1.82-1.90 (m, 1H) ,

3.10-3.18 (m, 1H) , 3.18-3.26 (m, 1H), 3.36-3.44 (m, 1H), 3.70 (s, 6H) , 3.80-3.86 (m, 1H) , 4.08-4.12 (m, 1H) , 6.49 (s, 2H) , 6.57 (dd, J = 1.6, 8.8 Hz, 1H) , 7.03 (dd, J = 6.8, 8.8 Hz, 1H) , 7.39 (dd, J = 1.6, 8.8 Hz, 1H) . Example 198
Nyclopropylmethyl-A/- (5, 6-dihydro-2ff-3-pyranylmethyl) -N- [1-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.28-O.38 (m, 2H), 0.80-O.88 (m, 1H) , 2.01 (s, 3H) , 2.06-2.14 (m, 2H) , 2.44 (s, 3H), 2.47 (s, 3H) , 2.84-2.96 (m, 2H) , 3.71 (s, 3H) , 3.71-3.76 (m, 4H) , 4.30-4.34 (m, 2H) , 5.75 (br s, 1H) , 6.53 (dd, J = 1.6, 6.8 Hz, 1H) , 6.70 (s, 1H) , 6.78 (s, 1H) , 7.07 (dd, J= 6.8, 8.8 Hz, 1H) , 7.44 (dd, J= 1.6, 8.8 Hz, 1H) .
MS (ESI)m/z 464 MH+ Example 199
N [7- (2-Methoxy-4, 6-dimethylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (2-oxetanylmethyl)amine
After dissolving tert-butyl N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-

a]pyridin-3-yl]carbamate (100 mg) in N,N~ dimethylformamide (2 mL) , sodium hydride (60%, 15 mg) for 30 minutes, 2-oxetanylmethyl 4-methyl-l-benzenesulfonate (70 mg) was added and the mixture was stirred for 1 hour at 40°C. 2-Oxetanylmethyl 4-methyl-1-benzenesulfonate (23 mg) [CAS No. 115845-51-7] and sodium hydride (60%, 5 mg) were again added, and the mixture was stirred for 1 hour. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine. After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under reduced pressure to obtain crude tert-butyl N- [7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(2-oxetanylmethyl)carbamate. This was dissolved in ethyl acetate (2 mL) without purification, a 4 N hydrochloric acid/ethyl acetate solution (1 mL) was added, and the mixture was stirred at room temperature for 1 hour. The reaction mixture was neutralized with 5 N aqueous sodium hydroxide while cooling on ice, and then extraction was performed with ethyl acetate and the organic layer was washed with brine. After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under

reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (8 fraction as a yellow oil.
1H NMR (400MHz, CDC13) δ 1.94-2.04 (m, 1H) , 2.00 (s, 3H) , 2.24-2.34 (m, 1H) , 2.40 (s, 3H) , 2.44 (s, 3H) , 3.24-3.35 (m, 2H) , 3.49-3.62 (m, 2H) , 4.46-4.54 (m, 1H) , 6.48-6.54 (m, 1H) , 6.67 (s, 1H) , 6.75 (s, 1H) , 7.00-7.06 (m, 1H), 7.44-7.50 (m, 1H).
MS(ESI) m/z 383 MH+ Example 2 00
N-Cyclopropylmethyl-N-[7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (2-oxetanylmethyl)amine
After dissolving N-[7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (2-oxetanylmethyl)amine (8 mg) in N, N-dimethylformamide (2 mL) , sodium hydride (60%, 1.6 mg) was added while cooling on ice, and then cyclopropylmethyl bromide (3.8 uL) was added and the mixture was stirred at room temperature for 12 hours. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by

silica gel column chromatography, and the title compound (1.8 mg) was obtained from the n-hexane:ethyl

1H NMR (400MHz, CDC13) δ 0.22-O.26 (m, 2H) , 0.54-O.60 (m, 2H) , 1.06-1.16 (m, 1H) , 1.99 (s, 1. 5H) , 2.00 (s, 1.5H), 2.00-2.08 (m, 1H) , 2.16-2.26 (m, 1H) , 2.39 (s, 3H) , 2.43 (br s, 3H) , 3.28-3.40 (m, 4H) , 3.44-3.50 (m, 1H), 3.56-3.64 (m, 1H), 3.67 (s, 3H), 4.20-4.26 (m, 1H), 6.45-6.52 (m, 1H) , 6.66 (s, 1H) , 6.75 (s, 1H) , 6.97-7.04 (m, 1H), 7.50-7.56 (m, 1H).
The compound of Example 201 was synthesized according to the production method of Examples 199 and 200.
Example 201
N-Cyclopropylmethyl-N- (1, 3-dioxolan-2-ylmethyl) -N- [7-(2-methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.24-O.36 (m, 2H), 0.82-O.94 (m, 1H), 2.00 (s, 3H), 2.41 (s, 3H), 2.45 (s, 3H) , 3.00-3.08 (m, 2H) , 3.39 (d, J = 4.0 Hz, 2H), 3.68 (s, 3H), 3.80-3.90 (m, 2H), 3.92-4.00 (m, 2H), 5.00 (t, J = 4.0 Hz, 1H) , 6.51 (dd, J = 1.2, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.75 (s, 1H) , 7.06 (dd, J= 6.8, 8.8 Hz, 1H), 7.47 (dd, J= 1.6, 8.8 Hz, 1H). MS (ESI) m/z 454 MH+

Example 202
1-(Cyclopropylmethyl)[7-(2-methoxy-4,6-dimethylphenyl)-

propanol
(Yellow oil)
Cyclopropanecarboxyaldehyde (0.047 mL) and 3 M
sulfuric acid (0.21 mL) were added to a solution of 2-
[7-(2-methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyDpyrazolo [1,5-a]pyridin-3-yl]amino-1-methylethyl benzoate (100 mg) in tetrahydrofuran (0.7 mL) while cooling on ice, and then sodium borohydride
(16 mg) was slowly added thereto at the same temperature. The mixture was stirred for 30 minutes at room temperature, and then 5 N aqueous sodium hydroxide
(0.3 mL) was added while cooling on ice to make the reaction mixture basic. Methanol (2.1 mL) was added to the reaction mixture, and after heating to reflux for 1 hour, it was returned to room temperature, extraction was performed with ethyl acetate, and the extract was washed with brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate:n-hexane = 1:5) to obtain the title compound (80 mg) as a yellow oil.
1H NMR (400MHz, CDC13) δ -O.03-O.07 (m, 2H), 0.32-O.45 (m, 2H), 0.83-O.92 (m, 1H), 1.08-1.14 (m, 3H), 1.98 (s,

3H) , 2.40 (s,. 3H) , 2.44 (s, 3H) , 2.69-2.78 (m, 1H) , 2.83-2.91 (m, 1H) , 2.96-3.04 (m, 1H), 3.42-3.50 (m, 1H) ,

Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H), 7.09 (dd, J= 6.8,
8.8 Hz, 1H), 7.39 (dd, J= 1.3, 8.8 Hz, 1H).
Example 203
1-(Cyclopropylmethyl)[7-(2-methoxy-4,6-dimethylphenyl)-
2- (raethylsulf anyl) pyrazolo [1, 5-a]pyridin-3-yl] amino-3-
fluoro-2-propanol
(Brownish oil)
p-Toluenesulfonic acid hydrate (40 mg) and epifluorohydrin (0.15 mL) [CAS No.503-O9-3] were added to a solution of N-cyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (50 mg) in 1,2-dimethoxyethane (0.40 mL) , and the mixture was heated to reflux for 3 hours. After cooling to room temperature, the solvent was distilled off under reduced pressure. The obtained residue was purified by basic silica gel column chromatography (ethyl acetate:n-hexane = 1:5) to obtain the title compound (24 mg) as a brownish oil. 1H NMR (400MHz, CDC13) δ -O.03-O.09 (m, 2H) , 0.34-O.46 (m, 2H), 0.84-O.94 (m, 1H), 1.99 (s, 3H), 2.40 (s, 3H), 2.44 (s, 3H) , 2.87-2.94 (m, 1H) , 2.97-3.04 (m, 1H) , 3.06-3.14 (m, 1H) , 3.48-3.55 (m, 1H) , 3.68 (s, 3H) , 3.68-3.79 (m, 2H), 4.30-4.57 (m, 2H) , 6.55 (dd, J= 1.3,

6.8 Hz, 1H) , 6.68 (s, 1H) , 6.76 (s, 1H) , 7.11 (dd, J = 6.8, 8.8 Hz, 1H), 7.39 (dd, J= 1.3, 8.8 Hz, 1H).
The compounds of Examples 204 t0 206 were
synthesized according to the production methods of Examples 202 and 203.
Example 204
1-(Cyclopropylmethyl) [7- (2-methoxy-4,6-dimethylphenyl)-
2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amino-3-
raethoxy-2-propanol
(Yellow oil)
1H NMR (400MHz, CDC13) 6 -O.05-O.07 (m, 2H) , 0.32-O.44 (m, 2H), 0.84-O.93 (m, 1H), 1.98 (s, 3H), 2.40 (s, 3H), 2.43 (s, 3H) , 2.86-2.93 (m, 1H) , 2.96-3.06 (m, 2H) , 3.35 (s, 3H), 3.36-3.51 (m, 3H), 3.67 (s, 3H), 6.54 (dd, J= 1.3, 6.8 Hz, 1H) , 6.67 (s, 1H) , 6.76 (s, 1H) , 7.OH
(dd, J = 6.8, 8.8 Hz, 1H) , 7.40 (dd, J = 1.3, 8.8 Hz,
1H) .
Example 205
(25)-1-(Cyclopropylmethyl)[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-a]pyridin-3-yl]amino-3-methoxypropan-2-ol
(Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.05-O.07 (m, 2H), 0.32-O.4 4 (m, 2H) , 0.84-O.93 (m, 1H) , 1.98 (s, 3H) , 2.40 (s, 311), 2.43 (s, 3H) , 2.86-2.93 (m, 1H) , 2.96-3.06 (m, 2Ii), 3.35 (s, 3H) , 3.36-3.51 (m, 3H) , 3.67 (s, 3H) , 6.54 ;i:,

J= 1.3, 6.8 Hz, 1H), 6.67 (s, lH)f-6.76 (s, 1H) , 7.08 (dd, J = 6.8, 8.8 Hz, 1H) , 7.40 (dd, J = 1.3, 8.8 Hz,
Example 206
4-(Cyclopropylmethyl)[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amino-2-butanol
(Light yellow oil)
1H NMR (400MHz, CDC13) δ -O.01-O.11 (m, 2H) , 0.27-O.39 (ra, 2H) , 0.72-O.83 (m, 1H) , 1.17-1.21 (m, 3H) , 1.47-1.68 (m, 2H) , 1.99 (s, 3H), 2.41 (s, 3H), 2.45 (s, 3H), 2.88-3.02 (m, 2H) , 3.18-3.28 (m, 1H), 3.61-3.75 (m, 1H), 3.68 (s, 3H) , 4.02-4.12 (m, 1H) , 6.54 (d, J= 6.8 Hz, 1H), 6.68 (s, 1H), 6.76 (s, 1H), 7.09 (dd, J= 6.8, 8.8 Hz, 1H), 7.50 (d, J= 8.8 Hz, 1H). Example 207
4-[3-[Pi(cyclopropylmethyl)amino]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-7-yl]-3-methoxybenzonitrile
After dissolving N- [7-(4-bromo-2-methoxyphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine (60 mg) in N, N-dimethylformamide (0.26 mL) , zinc cyanide (31 mg) and tetrakis (triphenylphosphine)palladium (O) complex (23 mg) were added, the mixture was heated and stirred at 95°C for 12 hours and then cooled to room temperature,

and ethyl acetate was added. After filtering out the precipitated insoluble portion, extraction was
performed with
layer was washed with water and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate:n-hexane = 1:8) to obtain the title compound (32 mg) as a yellow oil. *H NMR (400MHz, CDC13) δ 0.00-O.07 (m, 4H), 0.28-O.35 (m, 4H), 0.78-O.87 (m, 2H), 2.46 (s, 3H), 2.95-3.02 (m, 4H) , 3.80 (s, 3H), 6.62 (dd, J= 1.3, 6.8 Hz, 1H) , 7.04 (dd, J = 6.8, 8.8 Hz, 1H) , 7.25 (d, J = 1.1 Hz, 1H) ,
7.38 (dd, J= 1.1, 7.7 Hz, 1H), 7.52 (dd, J= 1.3, 8.8
Hz, 1H), 7.67 (d, J= 7.7 Hz, 1H).
The compounds of Examples 208 to 210 were
synthesized according to the production method of
Example 207.
Example 208
4-[3-[(Cyclopropylmethyl)(tetrahydro-3-
furanylmethyl)amino]-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-7-yl]-3-methoxybenzonitrile
(Yellow amorphous) lE NMR (400MHz, CDCI3) 5 -O.03-O.08 (m, 2H) , 0.30-O.41
(m, 2H) , 0.78-O.88 (m, 1H) , 1.60-1.70 (m, 1H) , 1.87-
1.98 (m, 1H) , 2.16-2.29 (m, 1H) , 2.45 (s, 3H) , 2.84-

2.94 (m, 2H) , 3.02-3.10 (m, 1H) , 3.20-3.28 (m, 1H) , 3.59-3.87 (m, 4H) , 3.81 (s, 3H) , 6.64 (dd, J= 1.9, 6.8

1.1 Hz, 1H) , 7.38 (dd, J= 1.1, 7.8 Hz, 1H) , 7.45 (dd, J = 1.9, 8.8 Hz, 1H), 7.66 (d, J= 7.8 Hz, 1H). Example 209
4-[3-[Dl(cyclopropylmethyl)amino]-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-7-yl]-3-methoxy-5-methylbenzonitrlle (Light yellow crystals)
1H NMR (400MHz, CDC13) δ -O.03-O.08 (m, 4H), 0.25-O.37
(m, 4H), 0.78-O.91 (m, 2H), 2.06 (s, 3H), 2.41 (s, 3H),
2.94-3.06 (m, 4H) , 3.72 (s, 3H) , 6.48 (d, J = 6.8 Hz,
1H) , 7.06 (dd, J= 6.8, 8.8 Hz, 1H), 7.09 (s, 1H) , 7.25
(s, 1H), 7.52 (d, J= 8.8 Hz, 1H).
Example 210
4-[3-[(Cyclopropylmethyl)(tetrahydro-3-furanylmethyl)amino]-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-7-yl]-3-methoxy-5-methylbenzonitrile (Light yellow crystals)
1H NMR (400MHz, CDC13) δ -O.06-O.03 (m, 2H) , 0.27-O.36 (m, 2H) , 0.78-O.88 (m, 1H) , 1.58-1.70 (m, 1H) , 1.88-1.98 (m, 1H), 2.06 (s, 3H), 2.19-2.32 (m, 1H) , 2.40 (s, 3H), 2.84-2.96 (m, 2H), 3.02-3.10 (m, 1H), 3.21-3.29 (m, 1H) , 3.58-3.86 (m, 4H) , 3.72 (s, 3H), 6.49 (dd, J= 1.3, 6.8 Hz, 1H) , 7.07 (dd, J = 6.8, 8.8 Hz, 1H) , 7.09 (s,

1H), 7.25 (s, 1H), 7.44 (dd, J = 1.3, 8.8 Hz, 1H) . " Example 211

methylphenyl)-2-(methylsulfanyl)pyrazolo[1, 5-aj pyridin-3-yl]amlnomethyl)-2-furonitrile
Zinc cyanide (31 mg) and tetrakis(triphenylphosphine)palladium (O) complex (52 mg) were added to a solution of N-[(5-bromo-2-furyl)methyl]-N-cyclopropylmethyl-N-[7-(2,6-dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine (122 mg) in a mixture of N,N-dimethylformamide (3 mL) and N-methyl-2-pyrrolidinone (3 mL) , and the mixture was heated at 155°C for 4 hours. The reaction mixture was cooled to room temperature, water was added, extraction was performed with ethyl acetate, the extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel column chromatography, and the title compound (23 mg) was obtained from the n-hexane:ethyl acetate (1:4) fraction as a yellow oil. 1H NMR (400MHz, CDC13) δ 0.01-O.08 (m, 2H) , 0.33-O.40 (m, 2H), 0.80-O.93 (m, 1H), 2.43 (s, 3H), 2.45 (s, 3H), 3.00 (d, J = 6.8 Hz, 2H) , 3.68 (s, 6H) , 4.37 (s, 2H) , 6.27 (d, J = 3.7 Hz, 1H) , 6.48 (s, 2H) , 6.59 (dd, J =

1.5, 7.0 Hz, 1H), 6.95 (d, J= 3.5 Hz, 1H), 7.05 (dd, J
= 7.0, 8.8 Hz, 1H), 7.29 (dd, J= 1.4, 8.9 Hz, 1H) .
N, N-Dicyclopropylmethyl-N-[7-[2-methoxy-6-methyl-4-
(1,3-thiazol-2-yl)phenyl]-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine
After dissolving N-[7-(4-bromo-2-methoxy-6-methylphenyl)-2-(methylsulfanyDpyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine (45 mg) in toluene
(0.60 mL), tributylstannylthiazole (52 mg) and tetrakis
(triphenylphosphine)palladium (O) complex (9 mg) were added, the mixture was heated and stirred at 120°C for 2 hours and then cooled to room temperature, and ethyl acetate was added. After filtering out the precipitated insoluble portion, the solvent was distilled off under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate:n-hexane =1:5) to obtain the title compound (30 mg) as white crystals.
1H NMR (400MHz, CDC13) δ -O.03-O.08 (m, 4H), 0.25-O.38 (m, 4H), 0.80-O.92 (m, 2H), 2.10 (s, 3H), 2.43 (s, 3H), 2.95-3.07 (m, 4H) , 3.79 (s, 3H) , 6.53 (d, J = 6.8 Hz, 1H) , 7.06 (dd, J = 6.8, 8.8 Hz, 1H) , 7.38 (d, J = 3.2 Hz, 1H) , 7.48 (d, J= 8.8 Hz, 1H) , 7.49 (s, 1H) , 7.52 (s, 1H), 7.91 (d, J= 3.2 Hz, 1H).
' The compound of Example 213 was synthesized

according to the production method of Example 212. Example 213

pyridyl)phenyl]-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]amine (Light yellow solid) XE NMR (400MHz, CDC13) 5 -O.02-O.08 (m, 4H) , 0.28-O.38
(m, 4H) , 0.81-O.92 (m, 2H) , 2.11 (s, 3H) , 2.45 (s, 3H),
2.96-3.08 (m, 4H) , 3.77 (s, 3H) , 6.55 (d, J = 6.8 Hz,
1H), 7.04 (s, 1H) , 7.07 (dd, J= 6.8, 8.8 Hz, 1H), 7.15
(s, 1H) , 7.40 (dd, J= 4.8, 8.0 Hz, 1H) , 7.50 (d, J =
8.8 Hz, 1H), 7.95 (d, J = 8.0 Hz, 1H) , 8.63 (d, J = 4.8
Hz, 1H), 8.92 (s, 1H).
Example 214
3-((Cyclopropylmethyl)[7-(2-methoxy-4,6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]aminomethyl)-2-pyridinol
(White crystals)
After dissolving N-cyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- [(2-methoxy-3-pyridyl)methyl]amine (63 mg) in ethanol (1 itiL) , a 4 N hydrochloric acid/ethyl acetate solution (1 mL) was added at room temperature and the mixture was heated to reflux for 3 hours. Saturated aqueous sodium hydrogencarbonate was added to the reaction mixture for

neutralization while cooling on ice, and extraction was performed with ethyl acetate. The obtained organic
IayeF~v7as washeo! with waTer and dried—over—magnesium-
sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was purified by silica gel column chromatography (ethyl acetate) to obtain the title compound (49 mg) as white crystals. ln NMR (400MHz, CDC13) δ -O.05-O.06 (m, 2H) , 0.27-O.38 (m, 2H), 0.84-O.97 (m, 1H), 1.97 (s, 3H) , 2.40 (s, 3H) , 2.44 (s, 3H) , 2.91-3.03 (m, 2H), 3.66 (s, 3H), 4.36 (s, 2H) , 6.27 (dd, J = 6.4, 6.4 Hz, 1H) , 6.50 (d, J = 6.8 Hz, 1H), 6.68 (s, 1H), 6.76 (s, 1H), 7.05 (dd, J- 6.8, 8.8 Hz, 1H), 7.23 (d, J= 6.4 Hz, 1H), 7.52 (d, J= 8.8 Hz, 1H) , 7.85 (d, J= 6.4 Hz, 1H) .
The compound of Example 215 was synthesized
according to the production method of Example 214.
Example 215 '
3- ( (Cyclopropylmethyl) [7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]aminomethyl)-2-pyrazinol (Light yellow crystals)
1H NMR (400MHz, CDC13) δ 0.00-O.09 (m, 2H), 0.30-O.49
(m, 2H), 0.78-O.91 (m, 1H) , 1.97 (s, 3H), 2.40 (s, 3H) ,
2.47 (s, 3H), 2.94-3.03 (m, 2H), 3.66 (s, 3H), 4.69 (s,
2H) , 6.57 (dd, J- 1.3, 6.8 Hz, 1H), 6.66 (s, 1H), 6.74
(s, 1H) , 7.14 (dd, J= 6.8, 8.8 Hz, 1H) , 7.55 (dd, J =

1.3, 8.8 Hz, 1H) , 7.83 (br s, 2H) .
Example 216

(methylsulfanyl)pyrazolo [1,5-a]pyridin-7-yl]-3,5-
dimethylphenol
AIM boron tribromide/dichloromethane solution
(0.42 mL) was added to a solution of N,N-
dicyclopropylmethyl-N- [7- (2-methoxy-4, 6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]amine (35 mg) in dichloromethane (10 mL)
at room temperature under a nitrogen atmosphere, and
the mixture was stirred for 10 minutes. The reaction mixture was added to ice water, extraction was performed with ethyl acetate, and the organic layer was washed with brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The obtained residue was subjected to silica gel column chromatography, and the title compound (17 mg) was obtained from the n-hexane:ethyl acetate (6:1) fraction as white crystals.
1H NMR (400MHz, CDC13) δ -O.02-O.02 (m, 4H) , 0.24-O.30 (m, 4H), 0.74-O.82 (m, 2H), 2.23 (s, 3H), 2.32 (s, 3H) , 2.50 (s, 3H) , 2.88-3.00 (m, 4H) , 6.64 (d, J = 6.8 Hz, 1H) , 6.76 (s, 1H) , 7.09 (dd, J= 6.8, 8.0 Hz, 1H) , 7.48 (d, J= 8.8 Hz, 1H), 7.65 (s, 1H).
MS (ESI)m/z 408 MH+

Example 211
N, N-Dicyclopropylmethyl-N- [7-(2-ethoxy-4,6-

After adding ethanol (2 uL) , triphenylphosphine (15 mg) and diethyl azodicarboxylate (9 uL) to a solution of 2-[3-tdi(cyclopropylmethyl)amino]-2-(methylsulfanyl)pyrazolo[l,5-a]pyridin-7-yll-3,5-dimethylphenol (15 mg) in tetrahydrofuran (0.45 mL) under a nitrogen atmosphere, the mixture was stirred at room temperature overnight. The reaction mixture was added to water, extraction was performed with ethyl acetate, and the organic layer was washed with brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The obtained residue was subjected to silica gel column chromatography, and the title compound (3.7 mg) was obtained from the n-hexane:ethyl acetate (9:1) fraction as a yellow oil. 1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 4H) , 0.26-O.32 (m, 4H) , 0.80-O.92 (m, 2H) , 1.06 (t, J = 6.8 Hz, 3H) , 2.04 (s, 3H) , 2.39 (s, 3H) , 2.45 (s, 3H) , 3.02 (d, J = 6.4 Hz, 4H) , 3.84-4.04 (m, 2H) , 6.51 (dd, J= 0.8, 8.4 Hz, 1H), 6.67 (s, 1H), 6.76 (s, 1H), 7.04 (dd, J= 6.8, 8.8 Hz, 1H), 7.47 (dd, J= 0.8, 8.8 Hz, 1H).
The compounds of Examples 218 to 223 were synthesized according to the production method of

Example 21*7 . Example 218
dimethylphenyll-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine
(Yellow oil) 1H NMR (400MHz, CDCl3) 6 -O.02-O.04 (m, 4H) , 0.26-O.34 (m, 4H) , 0.82-O.92 (m, 2H), 2.04 (s, 3H) , 2.40 (s, 3H) , 2.44 (s, 3H) , 3.02 (d, J = 6.4 Hz, 4H) , 3.94-4.50 (m, 4H), 6.53 (dd, J= 0.8, 7.2 Hz, 1H), 6.70 (s, 1H), 6.82 (s, 1H) , 7.05 (dd, J= 7.2, 8.8 Hz, 1H) , 7.47 (d, J =
8.8 Hz, 1H).
Example 219
N- [7-[2-(Cyclopropylmethoxy)-4,6-dimethylphenyl]-2- (methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N,N-dicyclopropylmethylamine
(Yellow oil) 1H NMR (400MHz, CDC13) δ -O.02-O.08 (m, 6H), 0.28-O.38
(m, 6H) , 0.86-O.96 (m, 3H), 2.07 (s, 3H), 2.42 (s, 3H) ,
2.48 (s, 3H) , 3.05 (d, J = 6.8 Hz, 4H) , 3.71 (dd, J =
6.4, 10.0 Hz, 1H) , 3.81 (dd, J = 6.4, 10.0 Hz, 1H) ,
6.55 (dd, J= 1.6, 6.8 Hz, 1H) , 6.71 (s, 1H) , 6.80 (s,
1H), 7.08 (dd, J= 6.8, 8.8 Hz, 1H) , 7.51 (dd, J= 1.6,
8.8 Hz, 1H).
Example 220
N,N-Dicyclopropylmethyl-N- [7-[2-(2-methoxyethoxy)-4,6-

dimethylphenyl]-2-(methylsulfanyl)pyrazolo[1,5-alpyridin-3-yl]amine 1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 4H) , 0.26-O.34-(m, 4H), 0.78-O.88 (m, 2H), 2.02 (s, 3H), 2.38 (s, 3H) , 2.44 (s, 3H) , 3.00 (d, J = 7.2 Hz, 4H) , 3.11 (s, 3H) , 3.28-3.36 (m, 1H), 3.38-3.44 (m, 1H), 3.90-3.96 (m, 1H) , 3.44-4.10 (m, 1H), 6.50 (dd, J= 1.2, 7.2 Hz, 1H), 6.69 (s, 1H) , 6.77 (s, 1H) , 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.45 (dd, J= 1.2, 8.8 Hz, 1H). MS (ESI) m/z 466 MH+
Example 221
N, N-Dicyclopropylmethyl-N- [7-(2-isopropoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5- a]pyridin-3-yl]amine
(Yellow oil) 1H NMR (400MHz, CDCl3) 5 -O.02-O.02 (m, 4H), 0.26-O.34 (m, 4H) , 0.82-O.92 (m, 2H) , 0.96 (d, J= 6.4 Hz, 3H) , 1.15 (d, J = 6.0 Hz, 3H) , 2.04 (s, 3H) , 2.41 (s, 3H) , 2.46 (s, 3H) , 2.98-3.08 (m, 4H) , 4.24-4.36 (m, 1H) , 6.51 (d, J= 6.8 Hz, 1H) , 6.71 (s, 1H) , 6.77 (s, 1H) , 7.05 (dd, J= 7.2, 8.8 Hz, 1H), 7.47 (dd, J= 1.2, 8.8
Hz, 1H). MS (ESI) m/z 450 MH+
Example 222
2-[3-[Pi(cyclopropylmethyl)amino]-2-

(methylsulfanyl)pyrazolo[1,5-a]pyridin-7-yl]-3,5-
dimethylphenoxymethylcyanide
(YelIow oil 1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 4H) , 0.26-O.34
(m, 4H) , 0.80-O.92 (m, 2H) , 2.02 (s, 3H) , 2.43 (s, 3H) ,
2.44 (s, 3H) , 3.01 (d, J= 6.4 Hz, 4H) , 4.57 (dd, J =
16.0, 25.6 Hz, 2H) , 6.50 (dd, J = 1.6, 6.8 Hz, 1H) ,
6.81 (s, 1H) , 6.92 (s, 1H) , 7.06 (dd, J= 6.8, 8.8 Hz,
1H) , 7.50 (dd, J = 1.6, 8.8 Hz, 1H) . MS (ESI) m/z 447 MH+
Example 223
N, N-Dicyclopropylmethyl-N- [7- [2, 4-dimethyl-6- (2-tetrahydro-lfi-1-pyrrolylethoxy) phenyl] -2-
(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]amine
(Yellow oil) 1H NMR (400MHz, CDCl3) 5 -O.02-O.04 (m, 4H) , 0.24-O.34
(m, 4H), 0.78-O.88 (m, 2H), 1.56-1.64 (m, 4H), 2.01 (s, 3H) , 2.20-2.32 (m, 4H) , 2.37 (s, 3H) , 2.42 (s, 3H) , 2.42-2.58 (m, 2H), 2.94-3.04 (m, 4H) , 3.92-4.06 (m, 2H) , 6.47 (dd, J= 1.6, 7.2 Hz, 1H) , 6.64 (s, 1H) , 6.74 (s, 1H), 7.00 (dd, J= 7.2, 9.2 Hz, 1H) , 7.44 (dd, J= 1.6, 8.8 Hz, 1H).
MS (ESI) m/z 505 MH+ Example 224
N-Cyclopropyl-M-cyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-

alpyridin.-3-yl] amine
After dissolving N-cyclopropylmethyl-N- [7- (2-
(methylsulfanyl)pyrazolo[l,5-a]pyridin-3-yl]amine (100 mg) in methanol (10 mL) , ( (1-ethoxycyclopropyl)oxy)trimethylsilane (60 uL), acetic acid (298 uL) and sodium cyanoborohydride (171 mg) were added and the mixture was heated to reflux for 6 hours. After cooling the reaction mixture to room temperature, saturated aqueous sodium hydrogencarbonate was added, extraction was performed with ethyl acetate, and the organic layer was washed with brine. After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (7 4 mg) was obtained from the n-hexane:ethyl acetate (10:1) fraction as a yellow oil. 1H NMR (400MHz, CDC13) δ -O.01-O.04 (m, 2H) , 0.26-O.36 (m, 2H), 0.46-O.52 (m, 4H), 0.80-O.90 (m, 1H), 2.00 (s, 3H) , 2.41 (s, 3H) , 2.43 (s, 3H) , 2.88-2.94 (m, 1H) , 2.98-3.06 (m, 2H), 3.69 (s, 3H) , 6.50 (dd, J= 1.6, 6.8 Hz, 1H) , 6.68 (s, 1H) , 6.76 (s, 1H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H), 7.42 (dd, J= 1.6, 8.8 Hz, 1H).
The compound of Example 225 was synthesized according to the production method of Example 224.



concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl
acetate: n-hexane =(36 mg) as white crystals.
1H NMR (400MHz, CDC13) δ 0.08-O.33 (m, 2H) , 0.37-O.54 (m, 2H) , 1.03-1.17 (m, 1H) , 2.02 (s, 3H) , 2.31 (s, 3H) , 2.38 (s, 3H) , 3.52-3.62 (m, 1H) , 3.67 (s, 3H) , 3.87-3.97 (m, 1H) , 6.57 (dd, J= 1.3, 6.8 Hz, 1H) , 6.65 (s, 1H), 6.69 (s, 1H), 6.95 (dd, J= 4.8, 8.0Hz, 1H), 7.17 (dd, J = 6.8, 8.8 Hz, 1H) , 7.27 (dd, J = 1.3, 8.8 Hz, 1H), 7.62 (d, J= 8.0 Hz, 1H), 8.31 (d, J= 4.8 Hz, 1H), 8.56 (s, 1H).
The compound of Example 227 was synthesized according to the production method of Example 22 6. Example 227
Nl-[7-(2-Methoxy-4,6-dimethylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-Nl-(3-pyridylmethyl)-1-cyclopropanecarboxyamide (White amorphous substance)
1H NMR (400MHz, CDC13) δ 0.61-O.71 (m, 2H) , 1.01-1.11 (m, 2H), 1.45-1.52 (m, 1H), 1.91 (s, 3H), 2.39 (s, 3H), 2.40 (s, 3H) , 3.67 (s, 3H) , 4.57 (d, J= 14.0 Hz, 1H) , 5.25 (d, J = 14.0 Hz, 1H) , 6.58 (d, J = 6.8 Hz, 1H) , 6.66 (s, 1H) , 6.75 (s, 1H) , 6.77 (d, J = 8.8 Hz, 1H) , 7.04 (dd, J = 6.8, 8.8 Hz, 1H), 7.11 (dd, J = 4.8, 8.0 Hz, 1H) , 7.57 (d, J = 8.0 Hz, 1H) , 8.30 (s, 1H) , 8.41

(d, J = 4.8 Hz, 1H).
Example 228 dimethylphenyl)-2-(methylsulfinyl)pyrazolo[1,5-
a]pyridin-3-yl]amine
m-Chloroperbenzoic acid (234 mg) was added to a
solution of N, N-dicyclopropylmethyl-N-[7-(2-methoxy-
4,6-dimethylphenyl)-2-(methylsulfany1)pyrazolo[1, 5-
a]pyridin-3-yl]amine (200 mg) in dichloromethane (10 mL) at 0°C, and the mixture was stirred for 2 hours. Water was added to the reaction mixture, extraction was performed with ethyl acetate, the extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel column chromatography (20 g) , and the title compound (162 mg) was obtained from the n-hexane:ethyl acetate (1:1) fraction as a light yellow oil.
1H NMR (400MHz, CDC13) δ -O.02-O.08 (m, 4H), 0.28-O.38 (m, 4H) , 0.80-O.94 (m, 2H) , 1.94 (s, 1.5 H) , 2.00 (s, 1.5H), 2.39 (s, 3H) , 2.96 (s, 1.5H), 2.97 (s, 1.5H), 3.04-3.16 (m, 4H), 3.64 (s, 1 . 5H), 3.66 (s, 1.5H), 6.66 (s, 0.5H), 6.67 (s, 0.5H), 6,72 (dd, J = 2.6, 6.9 Hz, 0.5H), 6,73 (dd, J= 2.6, 6.9 Hz, 0.5H), 6.74 (s, 0.5H), 6.76 (s, 0.5H), 7.15 (dd, J = 6.8, 8.9 Hz, 0.5H), 7.16

(dd, J = 6.8, 8.9Hz, 0.5H), 7.60-7.68 (m, 1H). Example 229
dimethylphenyl)-2-(methylsulfonyl)pyrazolo[1,5-a]pyridin-3-yl]amine
m-Chloroperbenzoic acid (91 mg) was added to a solution of N,N-dicyclopropylmethyl-N-[7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfinyl)pyrazolo[1, 5-a]pyridin~3-yl]amine (162 mg) in dichloromethane (10 mL) at 0°C, and the mixture was stirred for 4 hours. Water was added to the reaction mixture, extraction was performed with ethyl acetate, the extract was washed with saturated aqueous sodium hydrogencarbonate and brine and dried over magnesium sulfate, and the solvent was distilled off under reduced pressure. The residue was subjected to silica gel column chromatography (10 g) , and the title compound (9 mg) was obtained from the n-hexane:ethyl acetate (1:2) fraction as a yellow oil. 1H NMR (400MHz, CDC13) δ -O.02-O.08 (m, 4H) , 0.24-O.34 (m, 4H), 0.79-O.92 (m, 2H), 1.96 (s, 3H), 2.38 (s, 3H), 3.08 (dd, J= 3.7, 6.8 Hz, 4H) , 3.21 (s, 3H) , 3.64 (s, 3H), 6.66 (s, 1H), 6.75 (s, 1H), 6.78 (dd, J= 1.4, 6.9 Hz, 1H) , 7.19 (dd, J = 6.9, 8.9 Hz, 1H) , 7.72 (dd, J = 1.4, 8.9 Hz, 1H). Example 230 N, N-Dicyclopropylmethyl-N-[2-methoxy-7-(2-methoxy-4,6-





yl]amine (White crystals)
(m, 4H) , 0.78-O.91 (m, 2H) , 2.44 (s, 3H) , 2.87-2.96 (m, 4H) , 3.71 (s, 6H) , 3.87 (s, 3H) , 6.47 (dd, J= 1.3, 6.8 Hz, 1H) , 6.50 (s, 2H) , 7.01 (dd, J= 6.8, 8.8 Hz, 1H) , 7.37 (dd, J = 1.3, 8.8 Hz, 1H).
Example 233
N, N-Dicyclopropylmethyl-N- [7-(2,4-dimethoxy-6-
methylphenyl)-2-methoxypyrazolo[1, 5-a]pyridin~3-
yl]amine
(Yellow oil) 1H NMR (400MHz, CDCl3) 5 -O.05-O.05 (m, 4H) , 0.23-O.33 (m, 4H), 0.79-O.91 (m, 2H), 2.02 (s, 3H), 2.85-2.99 (m, 4H) , 3.68 (s, 3H) , 3.86 (s, 3H) , 3.87 (s, 3H) , 6.40 (dd, J = 1.5, 6.8 Hz, 1H) , 6.43 (d, J = 2.2 Hz, 1H) , 6.47 (d, J = 2.2 Hz, 1H) , 7.01 (dd, J = 6.8, 8.8 Hz, 1H) , 7.38 (dd, J = 1.5, 8.8 Hz, 1H).
Example 234 N-[7-(2-Chloro-6-methoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine
(White crystals) 1H NMR (400MHz, CDC13) 6 -O.04-O.06 (m, 4H), 0.24-O.35 (m, 4H), 0.79-O.90 (m, 2H), 2.42 (s, 3H), 2.86-2.99 (m, 4H) , 3.71 (s, 3H) , 3.87 (s, 3H) , 6.46 (dd, J= 1.3, 6.8

Hz, 1H) , 6.74 (s, 1H) , 6.97 (s, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.42 (dd, J= 1.3, 8.8 Hz, 1H).
Example 235
N, N-Dicyclopropylmethyl-N-[2-methoxy-7-(4-methoxy-2,5-dimethylphenyDpyrazolo[1,5-a]pyridin-3-yl]amine (Light yellow crystals)
1H NMR (400MHz, CDC13) δ -O.05-O.02 (m, 4H) , 0.25-O.31 (m, 4H), 0.79-O.90 (m, 2H) , 2.03 (s, 6H), 2.86-2.98 (m, 4H), 3.85 (s, 3H), 3.85 (s, 3H), 6.33 (dd, J= 1.5, 6.8 Hz, 1H) , 6.70 (s, 2H) , 7.01 (dd, J = 6.8, 8.8 Hz, 1H) , 7.39 (dd, J= 1.5, 8.8 Hz, 1H). Example 236
N- [7-(2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1, 5-a]pyridin-3-yl]-N, N-dicyclopropylmethylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.02-O.05 (m, 4H), 0.27J0.33 (m, 4H), 0.78-O.89 (m, 2H), 2.86-2.97 (m, 4H) , 3.88(s, 3H), 3.90 (s, 3H), 6.47 (dd, J= 1.5, 6.8 Hz, 1H), 6.92 (dd, J = 2.6, 8.6 Hz, 1H) , 7.01 (dd, J = 6.8, 8.8 Hz, 1H) , 7.06 (d, J = 2.6 Hz, 1H) , 7.43 (dd, J = 1.5, 8.8 Hz, 1H), 7.45 (d, J= 8.6 Hz, 1H). Example 237
tert-Butyl N-[7- (2, 4-dimethoxy-6-methylphenyl) -2-
methoxypyrazolo[1,5-a]pyridin-3-yl]carbamate
After dissolving tert-butyl N- (7-bromo-2-methoxypyrazolo[1,5-a]pyridin-3-yl)carbamate (300 mg)

in 1,2-dimethoxyethane (10 mL) and water (5 mL) , 6-methyl-2,4-dimethoxyphenylboric acid (258 mg) , tetrakis

barium hydroxide octahydrate (415 mg) were added and the mixture was heated and stirred at 80°C for 3 hours. Water was added to the reaction mixture, extraction was performed with ethyl acetate.and the extract was washed with brine. After drying the obtained organic layer over anhydrous magnesium sulfate and filtering it, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (230 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as a brown oil.
1H NMR (400MHz, CDC13) δ 1.53 (s, 9H) , 2.02 (s, 3H) , 3.66 (s, 3H) , 3.87 (s, 3H) , 3.90 (s, 3H) , 6.42 (d, J-2.0 Hz, 1H) , 6.47 (d, J = 2.0 Hz, 1H) , 6.49 (dd, J = 1.2, 6.8 Hz, 1H), 6.94 (dd, J- 6.8, 8.8 Hz, 1H) , 7.26-
7.33 (m, 1H).
Example 238
Af-Cyclopropylmethyl-N- [7- (2, 4-dimethoxy-6-
methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-2-furanylmethylamine
After dissolving tert-butyl N-[7-(2,4-dimethoxy-
6-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-
yl] carbamate (50 mg) in N,-dimethylformamide (2 mL) ,

sodium hydride (60%, 15 mg) was added while cooling on ice, and then 2-tetrahydrofuranylmethyl chloride (16 uL) was added and the mixture was stirred for 3 hours at 60°C under a nitrogen stream. Water was added to the reaction mixture, extraction was performed with ethyl acetate and the extract was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure to obtain tert-butyl N- [1-(2,4-dimethoxy-6-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylcarbamate. The crude product was dissolved in ethyl acetate (2 mL) without purification, a 4 N hydrochloric acid/ethyl acetate solution (4 mL) was added, and the mixture was stirred at 40°C for 1 hour. The reaction mixture was neutralized with 5 N aqueous sodium hydroxide while cooling on ice, and then extraction was performed with ethyl acetate and the organic layer was washed with water and brine. The obtained organic layer was dried over anhydrous magnesium sulfate and filtered-, and the solvent was concentrated under reduced pressure to obtain N-[l~ (2, 4-dimethoxy-6-methylphenyl) -2-methoxypyrazolo [1,5-a]pyridin-3-yl]-N-tetrahydro-2-furanylmethylamine as a crude product. This was dissolved in tetrahydrofuran (2 mL) without purification, and after adding cyclopropanecarboxyaldehyde (27 uL) and 3 M aqueous

sulfuric acid (0.121 mL), sodium borohydride (9 mg) was added in five portions while vigorously stirring on ice,
arid s^ttrrxrrg WHS—continued—for—30—minutes. saturated
aqueous sodium hydrogencarbonate was added to the reaction mixture, extraction was performed with ethyl acetate, the solvent was concentrated, the residue was purified by silica gel column chromatography, and the title compound (31 mg) was obtained from the n-hexane:ethyl acetate (5:1) fraction as a yellow oil. lR NMR (400MHz, CDC13) δ -O.06-O.01 (m, 2H) , 0.25-O.32 (m, 2H) , 0.80-O.90 (m, 1H) , 1.52-1.70 (m, 1H) , 1.74-1.95 (m, 3H) , 2.01 (s, 1.5H), 2.03 (s, 1.5H), 2.80-3.06 (m, 3H) , 3.26-3.35 (m, 1H) , 3.65-3.72 (m, 4H) , 3.80-
3.90 (m, 8H), 6.38-6.42 (m, 1H), 6.44 (s, 1H), 6.47 (s,
1H) , 6.99-7.05 (m, 1H) , 7.34-7.40 (m, 1H) .
The compounds of Examples 239 to 255 below were
synthesized according to the production methods of
Examples 237 and 238.
Example 239
N-Cyclopropylmethyl-N-[2-methoxy-7-(2-methoxy-4,6-
dimethylphenyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-
tetrahydro-3-furanylmethylamine
(Light yellow oil) 1H NMR (400MHz, CDC13) δ -O.08-O.04 (m, 2H), 0.22-O.36
(m, 2H) , 0.78-O.88 (m, 1H) , 1.60-1.70 (m, 1H) , 1.85-
1.97 (m, 1H), 2.00 (s, 3H), 2.21-2.31 (m, 1H), 2.41 (s,

3H), 2.75-2.89 (m, 2H) , 2.92-3.03 (m, 1H), 3.09-3.19 (m, 1H) , 3.54-3.82 (m, 4H) , 3.70 (s, 3H) , 3.85 (s, 3H) ,

1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.31 (dd, J= 1.5, 8.8 Hz, 1H). Example 240
N- [7-(2-Chloro-6-methoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-cyclopropylmethyl-A/'-tetrahydro-3-furanylmethyl amine (Yellow oil)
1H NMR (400MHz, CDCl3) 5 -O.06-O.03 (m, 2H) , 0.26-O.35 (m, 2H) , 0.78-O.87 (m, 1H) , 1.57-1.68 (m, 1H) , 1.85-1.97 (m, 1H) , 2.20-2.31 (m, 1H) , 2.42 (s, 3H) , 2.78-2.88 (m, 2H) , 2.93-3.03 (m, 1H) , 3.10-3.19 (m, 1H) , 3.56-3.84 (m, 4H) , 3.71 (s, 3H), 3.86 (s, 3H), 6.47 (d, J= 6.8 Hz, 1H) , 6.74 (s, 1H) , 6.97 (s, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H), 7.34 (d, J = 8.8 Hz, 1H). Example 241
N- [1-(2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl] -Ncyclopropylmethyl-N-rahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.02-O.08 (m, 2H) , 0.28-O.38 (m, 2H) , 0.75-O.87 (m, 1H) , 1.58-1.69 (m, 1H) , 1.84-1.95 (m, 1H), 2.16-2.29 (m, 1H) , 2.78-2.86 (m, 2H) , 2.93-3.01 (m, 1H), 3.09-3.18 (m, 1H), 3.57-3.85 (m, 4H) ,

3.88 (s, 3H) , 3.89 (s, 3H) , 6.48 (dd, J= 1.3, 6.8 Hz,
1H) , 6.92 (dd, J= 2.4, 8.8 Hz, 1H), 7.03 (dd, J= 6.8,
1.3, 8.8 Hz, 1H), 7.45 (d, J = 8.8 Hz, 1H).
Example 242
N- [7-(2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1,5-
a]pyrldin-3-yl]-^-cyclopropylmethyl-2\/'-tetrahydro-2-
furanylmethylamine
(Yellow oil) aH NMR (400MHz, CDC13) δ -O.03-O.04 (m, 2H), 0.27-O.34
(m, 2H) , 0.78-O.88 (m, 1H) , 1.49-1.68 (m, 2H) , 1.71-1.95 (m, 2H) , 2.82-2.95 (m, 2H) , 2.98-3.05 (m, 1H) , 3.27-3.35 (m, 1H), 3.53-3.72 (m, 1H) , 3.78-3.88 (m, 2H) , 3.88 (s, 3H) , 3.90 (s, 3H) , 6.48 (dd, J = 1.3, 6.8 Hz, 1H) , 6.91 (dd, J= 2.4, 8.4 Hz, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H) , 7.06 (d, J = 2.4 Hz, 1H) , 7.42 (dd, J = 1.3, 8.8 Hz, 1H), 7.44 (d, J= 8.4 Hz, 1H). Example 2 43
AZ-Cyclopropylmethyl-A/- [7- (2, 4-dimethoxy-6-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Light yellow oil)
aH NMR (400MHz, CDC13) δ -O.06-O.02 (m, 2H), 0.25-O.35 (m, 2H) , 0.77-O.86 (m, 1H) , 1.55-1.70 (m, 1H) , 1.86-1.96 (m, 1H), 2.02 (s, 1.5H), 2.03 (s, 1.5H), 2.22-2.30 (m, 1H) , 2.76-2.88 (m, 2H) , 2.93-3.02 (m, 1H) , 3.10-

3.18 (m, 1H) , 3.55-3.62 (m, 1H) , 3.63-3.68 (m, 1H) ,
3.68 (s, 1.5H), 3.69 (s, 1.5H), 3.73-3.85 (m, 2H) , 3.86 6.43 (d, J = 2.0 Hz, 1H) , 6.47 (d, J = 2.0 Hz, 1H) ,
7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.28-7.32 (m, 1H) .
Example 244
A/-Cyclopropylmethyl-A/- [7- (2, 6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyrldin-3-yl]-N-
tetrahydro-3-furanylmethylamine
(Yellow amorphous) 1H NMR (400MHz, CDC13) 5 -O.02-O.04 (m, 2H) , 0.28-O.36
(m, 2H) , 0.78-O.90 (m, 1H) , 1.58-1.70 (m, 1H) , 1.85-1.96 (m, 1H), 2.20-2.33 (m, 1H) , 2.44 (s, 3H), 2.83 (d, J= 6.8 Hz, 2H) , 2.98 (dd, J= 8.5, 12.0 Hz, 1H), 3.14
(dd, J = 6.7, 12.0 Hz, 1H) , 3.59 (dd, J = 5.9, 8.5 Hz, 1H) , 3.62-3.86 (m, 3H) , 3.72 (s, 6H) , 3.87 (s, 3H) , 6.49 (dd, J= 1.5, 6.7 Hz, 1H) , 6.51 (s, 2H), 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.30 (dd, J = 1.5, 8.8 Hz, 1H). Example 245
A/-Cyclopropylmethyl-AT- [7- (2, 6-dlmethoxy-4-methylphenyl)-2-methoxypyrazolo[1, 5-a]pyrldin-3-yl]-N-tetrahydro-2-furanylmethylamine (Yellow crystals)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.28-O.36 (m, 2H) , 0.80-O.93 (m, 1H) , 1.60-1.72 (m, 1H) , 1.73-1.96 (m, 3H), 2.45 (s, 3H), 2.83-2.96 (m, 2H), 3.02 (dd,

J= 7.0, 12.0 Hz, 1H) , 3.33 (dd, J= 5.7, 12.0 Hz, 1H),
3.64-3.76 (m, 1H) , 3.72 (s, 6H) , 3.80-3.92 (m, 2H) ,
2H) , 7.03 (dd, J = 6.8, 8.9 Hz, 1H), 7.37 (dd, J= 1.5,
8.8 Hz, 1H).
Example 24 6
i\Z-Cyclopropylmethyl-Af- [2-methoxy-7- (2-methoxy-4, 6-
dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-A7-
tetrahydro-2-furanylmethylamine
(Yellow oil) 1H NMR (400MHz, CDC13) 5 -O.08-O.03 (m, 2H), 0.22-O.33
(m, 2H) , 0.80-O.92 (m, 1H) , 1.56-1.70 (m, 1H) , 1.73-1.96 (m, 3H), 1.99 (s, 3H), 2.40 (s, 3H), 2.80-3.06 (m, 3H) , 3.25-3.37 (m, 1H) , 3.63-3.72 (m, 1H), 3.69 (s, 3H), 3.79-3.91 (m, 2H), 3.85 (s, 3H) , 6.40 (dd, J= 1.3, 6.8 Hz, 1H) , 6.68 (s, 1H) , 6.76 (s, 1H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H), 7.37 (dd, J = 1.3, 8.8 Hz, 1H). Example 24 7
A/-Cyclopropylmethyl-.Z\7- [7- (2, 6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1, 5-a]pyridln-3-yl]-N-(3-furylmethyl)amine (Yellow crystals)
2H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.28-O.36 (m, 2H) , 0.80-O.92 (m, 1H) , 2.45 (s, 3H) , 2.87 (d, J = 6.6 Hz, 2H) , 3.71 (s, 6H) , 3.88 (s, 3H) , 4.11 (s, 2H) , 6.34-6.38 (m, 1H) , 6.48 (dd, J= 1.5, 6.9 Hz, 1H), 6.50

(s, 2H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H) , 7.22-7.32 (m, 3H) .
N-Cyclopropylmethyl-N- [7- (2, 6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-(2-furylmethyl)amine (Yellow oil)
1H NMR (400MHz, CDC13) 5 -O.02-O.06 (m, 2H), 0.28-O.37 (m, 2H) , 0.80-O.94 (m, 1H) , 2.43 (s, 3H) , 2.93 (d, J =
6.6 Hz, 2H) , 3.70 (s, 6H) , 3.86 (s, 3H) , 4.24 (s, 2H) ,
6.07 (d, J = 3.1 Hz, 1H) , 6.22 (dd, J = 1.8, 3.1 Hz,
1H), 6.46 (dd, J= 1.3, 6.8 Hz, 1H), 6.49 (s, 2H), 6.98
(dd, J = 6.8, 8.8 Hz, 1H) , 7.21 (dd, J = 1.5, 8.8 Hz,
1H), 7.24-7.34 (m, 1H).
Example 249
N- [7- (2-Chloro-6-methoxy-4-methylphenyl)-2-methoxypyrazolo[1, 5-a]pyridin-3-yl]-N-cyclopropylmethyl-N-tetrahydro-2-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H), 0.28-O.36 (m, 2H) , 0.82-O.92 (m, 1H) , 1.60-1.72 (m, 2H) , 1.78-1.98 (m, 2H) , 2.45 (s, 3H) , 2.84-2.98 (m, 2H) , 3.02-3.08 (m, 1H) , 3.30-3.38 (m, 1H) , 3.68-3.74 (m, 1H) , 3.74 (s, 3H), 3.82-3.92 (m, 2H), 3.88 (s, 3H), 6.49 (d, J= 7.2 Hz, 1H) , 6.77 (s, 1H) , 6.99 (s, 1H) , 7.06 (dd, J= 6.8, 8.8 Hz, 1H), 7.43 (dd, J= 1.6, 9.2 Hz, 1H).

MS (ESI) m/z 456 MH+ Example 250

dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-N-tetrahydro-3-furanylmethylamine (Yellow oil)
*H NMR (400MHz, CDC13) 6 0.89 (t, J = 7.6 Hz, 3H) , 1.32-1.42 (m, 2H), 1.56-1.66 (m, 1H), 1.86-1.96 (m, 1H), 1.99 (s, 1.5H), 2.00 (s, 1.5H), 2.18-2.28 (m, 1H) , 2*.41 (s, 3H) , 2.88-2.96 (m, 3H) , 3.05-3.12 (m, 1H) , 3.53-3.58 (m, 1H) , 3.63-3.69 (m, 1H) , 3.70 (s, 3H) , 3.72-3.83 (m, 2H) , 3.85 (s, 3H) , 6.41 (dd, J = 1.6, 6.8 Hz, 1H) , 6.68 (s, 1H) , 6.76 (s, 1H) , 7.03 (dd, J = 6.8, 8.8 Hz, 1H), 7.25-7.28 (m, 1H). Example 251
N- [2-Methoxy-7-(2-methoxy-4, 6-
dimethylphenyl)pyrazolo[1,5-a]pyrldin-3-yl]-N-propyl-N-tetrahydro-2-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 6 0.87 (t, J = 7.6 Hz, 3H) , 1.35-1.44 (m, 2H), 1.58-1.66 (m, 1H), 1.74-1.96 (m, 3H) , 1.99 (s, 1.5H), 2.00 (s, 1.5H), 2.41 (s, 3H) , 2.94 (dd, J = 6.8, 12.4 Hz, 1H) , 2.99 (t, J = 7.6 Hz, 1H) , 3.25 (ddd, J = 4.0, 5.6, 12.4 Hz, 1H) , 3.64-3.70 (m, 1H) , 3.70 (s, 3H), 3.80-3.85 (m, 2H), 3.85 (s, 3H), 6.40 (dd, J= 1.2, 6.8 Hz, 1H) , 6.68 (s, 1H) , 6.76 (s, 1H) , 7.03

(dd, J = 6.8, 8.8 Hz, 1H) , 7.34 (td, J = 1.8, 6.8 Hz,
1H) .
Example-252
N-Cyclopropylmethyl-N- [2-methoxy-7- (4-methoxy-2, 6-
dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-A7-
tetrahydro-3-furanylmethylaiuine
(Yellow oil) aH NMR (400MHz, CDC13) δ -O.10-O.00 (m, 2H), 0.22-O.32
(m, 2H) , 0.76-O.86 (m, 1H) , 1.58-1.69 (m, 1H) , 1.86-
1.97 (m, 1H), 2.02 (s, 3H), 2.03 (s, 3H), 2.20-2.31 (m,
1H) , 2.79-2.86 (m, 2H) , 2.93-3.02 (m, 1H) , 3.10-3.19 (m,
1H) , 3.55-3.61 (m, 1H) , 3.63-3.71 (m, 1H) , 3.72-3.85 (m,
2H) , 3.84 (s, 3H) , 3.85 (s, 3H), 6.34 (dd, J= 1.3, 6.8
Hz, 1H) , 6.70 (s, 2H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H) ,
7.32 (dd, J= 1.3, 8.8 Hz, 1H).
Example 253
N-Cyclopropylmethyl-N-7-[2-(fluoromethoxy)-4,6-
dimethylphenyl]-2-methoxypyrazolo[1,5-a]pyrldin-3-yl-N-
tetrahydro-3-furanylmethylamine
(Yellow oil)
lE NMR (400MHz, CDC13) δ -O.04-O.06 (m, 2H), 0.24-O.36 (m, 2H) , 0.78-O.90 (m, 1H) , 1.60-1.72 (m, 1H) , 1.90-1.98 (m, 1H) , 2.08 (br s, 3H) , 2.22-2.32 (m, 1H) , 2.45 (s, 3H) , 2.80-2.90 (m, 2H) , 2.96-3.04 (m, 1H) , 3.14-3.20 (m, 1H) , 3.58-3.86 (m, 4H) , 3.86 (s, 3H) , 5.38-5.66 (m, 2H) , 6.45 (dd, J= 1.2, 6.8 Hz, 1H) , 6.96 (s,

1H), 6.99 (s, 1H), 7.06 (dd, J= 6.8, 8.8 Hz, 1H) , 7.35 (dd, J = 1.2, 8.8 Hz, 1H).

N-Cyclopropyl-A/- [7- (2, 6-dimethoxy-4-methylphenyl) -2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-(1, 3-dioxolan-2-ylmethyl)amine (Yellow oil)
1H NMR (400MHz, CDC13) 6 -O.02-O.04 (m, 2H), 0.28-O.32 (m, 2H) , 0.82-O.92 (m, 1H), 2.44 (s, 3H), 2.94 (d, J = 6.8 Hz, 2H) , 3.30 (d, J = 4.4 Hz, 2H) , 3.70 (s, 6H) , 3.82-3.86 (m, 2H) , 3.87 (s, 3H) , 3.92-3.98 (m, 2H) , 4.91 (t, J = 4.4 Hz, 1H) , 6.48 (dd, J = 1.6, 6.8 Hz, 1H), 6.49 (s, 2H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.38 (dd, J = 1.6, 8.8 Hz, 1H). MS(ESI) m/z 454 MH+ Example 255
N-Cyclopropyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-[2-(1, 3-dioxolan-2-yl)ethyl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H), 0.28-O.34 (m, 2H), 0.82-O.92 (m, 1H), 1.74-1.82 (m, 2H) , 2.44 (s, 3H) , 2.87 (d, J= 6.8 Hz, 2H), 3.22 (t, J= 7.2 Hz, 2H), 3.71 (s, 6H) , 3.82-3.90 (m, 2H) , 3.86 (s, 3H) , 3.92-4.00 (m, 2H) , 4.97 (t, J = 4.4 Hz, 1H) , 6.47 (dd, J = 1.6, 6.8 Hz, 1H) , 6.49 (s, 2H) , 7.00 (dd, J= 6.8, 8.8

Hz, 1H), 7.31 (dd, J= 1.6, 8.8 Hz, 1H). MS (ESI) m/z 4 68 MH+

N-Cyclopropylmethyl-N- [2-methoxy-7-(2-methoxy-4,6-
dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl] -N-
tetrahydro-2ff-4-pyranylmethylamine
After dissolving N-cyclopropylmethyl-N-[2-
methoxy-7-(2-methoxy-4,6-dimethylphenyl)pyrazolo[1,5-
a]pyridin-3-yl]amine (134 mg) in tetrahydrofuran (10 mL) , tetrahydro-2tf-4-pyrancarbaldehyde (131 mg) and
sodium triacetoxyborohydride (243 mg) were added, and the mixture was stirred at room temperature for 1 hour. Saturated aqueous sodium hydrogencarbonate was added to the obtained reaction mixture, extraction was performed with ethyl acetate, and the extract was washed with brine. After drying over anhydrous magnesium sulfate and filtration, the solvent was concentrated under reduced pressure, the residue was purified by silica gel column chromatography, and the title compound (12 0 mg) was obtained from the n-hexane:ethyl acetate (4:1) fraction as a yellow amorphous.
*H NMR (400MHz, CDC13) δ -O.03-O.12 (m, 2H), 0.30-O.44
(m, 2H) , 0.84-O.97 (m, 1H) , 1.30-1.44 (m, 2H) , 1.58-
1.74 (m, 1H) , 1.78-1.90 (m, 2H), 2.08 (s, 3H), 2.49 (s,
3H), 2.82-2.96 (m, 2H), 2.97-3.10 (m, 2H), 3.38 (dt, J
= 2.0, 12.0 Hz, 2H) , 3.79 (s, 3H), 3.93 (s, 3H), 3.96-

4.06 (m, 2H) , 6.49 (dd, J= 1.3, 6.8 Hz, 1H) , 6.77 (s, 1H), 6.85 (s, 1H), 7.10 (dd, J= 6.8, 8.8 Hz, 1H), 7.39

The compounds of Examples 257 to 2 66 below were
synthesized according to the production method of
Example 256.
Example 257
N-Cyclopropylmethyl-N- [2-methoxy-7-(2-methoxy-4, 6-
dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-
tetrahydro-2H-4-pyranylamine
(Yellow oil)
1H NMR (400MHz, CDC13) δ -O.10- -O.01 (m, 2H) , 0.20-0.28 (m, 2H) , 0.70-O.80 (m, 1H) , 1.44-1.56 (m, 2H) , 1.78-1.85 (m, 2H) , 2.00 (s, 3H) , 2.41 (s. 3H) , 2.87-2.99 (m, 2H) , 3.14-3.34 (m, 2H) , 3.34-3.42 (m, 2H) , 3.70 (s, 3H) , 3.84 (s, 3H), 3.92-3.98 (m, 2H), 6.41 (dd, J= 1.6, 6.8 Hz, 1H), 6.69 (s, 1H) , 6.76 (s, 1H) , 7.03 (dd, J = 6.8, 8.8 Hz, 1H) , 7.32 (dd, J = 1.6, 8.8 Hz, 1H)..
Example 2 58
N-[7-(2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-cyclopropylmethyl-N-tetrahydro-2H-4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.05-O.04 (m, 2H) , 0.21-O.30 (m, 2H) , 0.68-O.78 (m, 1H) , 1.41-1.55 (m, 2H) , 1.75-

1.85 (m, 2H) , 2.89-2.96 (m, 2H) , 3.12-3.22 (m, 1H) , 3.32-3.42 (m, 2H) , 3.88 (s, 3H) , 3.89 (s, 3H) , 3.88-J = 2.4, 8.8 Hz, 1H) , 7.03 (dd, J = 6.8, 8.8 Hz, 1H) , 7.06 (d, J = 2.4 Hz, 1H) , 7.36 (dd, J = 1.3, 8.8 Hz, 1H), 7.45 (d, J = 8.8 Hz, 1H). Example 259
N-Cyclopropylmethyl-N- [7-(2,4-dimethoxy-6-methylphenyl)-2-methoxypyrazolo[1, 5-a]pyridln-3-yl]-N-tetrahydro-2Jf-4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.06- -O.02 (m, 2H) , 0.20-0.28 (m, 2H) , 0.70-O.80 (m, 1H) , 1.44-1.55 (m, 2H) , 1.78-1.86 (m, 2H) , 2.02 (s, 3H) , 2.88-3.00 (m, 2H) , 3.14-3.24 (m, 1H) , 3.34-3.42 (m, 2H) , 3.69 (s, 3H) , 3.85 (s, 3H), 3.87 (s, 3H), 3.92-3.98 (m, 2H), 6.41 (dd, J= 1.6, 6.8 Hz, 1H), 6.44 (d, J= 2.0 Hz, 1H), 6.47 (d, J = 2.0 Hz, 1H) , 7.03 (dd, J = 6.8, 8.8 Hz, 1H) , 7.31 (dd, J = 1.6, 8.8 Hz, 1H). Example 2 60
N-Cyclopropylmethyl-A7- [7- (2, 6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1, 5-a]pyrldin-3-yl]-N-tetrahydro-2iif-4-pyranylamine (Yellow crystals)
aH NMR (400MHz, CDC13) δ -O.03-O.06 (m, 2H) , 0.24-O.33 (m, 2H), 0.72-O.85 (m, 1H) , 1.46-1.60 (m, 2H) , 1.80-

1.90 (m, 2H) , 2.47 (s, 3H) , 2.97 (d, J = 6.6 Hz, 2H) , 3.16-3.28 (m, 1H) , 3.41 (dt, J = 1.8, 12.0 Hz, 2H) ,

J= 1.5, 7.0 Hz, 1H) , 6.54 (s, 2H), 7.06 (dd, J= 6.8, 8.8 Hz, 1H), 7.34 (dd, J= 1.3, 8.9 Hz, 1H). Example 2 61
N-Cyclopropylmethyl-N- [2-methoxy-7-(2-methoxy-4,6-dlmethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-3-pyranylamine (Yellow oil)
lE NMR (400MHz, CDC13) δ -O.02-O.06 (m, 2H), 0.26-O.38 (m, 2H) , 0.78-O.88 (m, 1H) , 1.32-1.44 (m, 1H) , 1.62-1.76 (m, 2H), 2.09 (s, 3H), 2.09-2.16 (m, 1H), 2.50 (s, 3H), 2.94-3.08 (m, 2H), 3.20-3.30 (m, 3H) , 3.79 (s, 3H), 3.84-3.92 (m, 1H) , 3.94 (s, 3H) , 4.12-4.22 (m, 1H) , 6.51 (dd, J= 1.2, 6.8 Hz, 1H) , 6.78 (s, 1H) , 6.85 (s, 1H), 7.13 (dd, J= 6.8, 8.8 Hz, 1H), 7.39 (dd, J = 1.6, 9.2 Hz, 1H).
Example 2 62
N-Cyclopropylmethyl-N-[7-(2,6-dimethoxy-4-
methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-2H-4-pyranylmethylamine (Yellow crystals)
1H NMR (400MHz, CDC13) δ -O.04-O.08 (m, 2H) , 0.28-O.40 (m, 2H) , 0.80-O.94 (m, 1H) , 1.20-1.38 (m, 2H) , 1.52-
1.70 (m, 1H), 1.74-1.84 (m, 2H) , 2.47 (s, 3H), 2.84 (d,

J= 6.6 Hz, 2H) , 2.97 (d, J = 6.9 Hz# 2H) , 3.33 (dt, J
= 2.0, 12.0 Hz, 2H) , 3.75 (s, 6H) , 3.89 (s, 3H) , 3.90-

2H), 7.04 (dd, J =6.8, 8.8 Hz, 1H) , 7.33 (dd, J =1.4,
8.8 Hz, 1H).
Example 2 63
N- [7-(2-Chloro-6-methoxy-4-methylphenyl)-2-
methoxypyrazolo[1,5-a]pyridin-3-yl]-N-
cyclopropylmethyl-N-tetrahydro-2H-4-pyranylamine
(Yellow solid) 1H NMR (400MHz, CDC13) 5 -O.02-O.02 (m, 2H), 0.28-O.32
(m, 2H) , 0.74-O.84 (ra, 1H) , 1.50-1.64 (m, 2H) , 1.84-
1.92 (m, 2H) , 2.47 (s, 3H) , 2.99 (br d, J = 6.4 Hz, 2H) , 3.20-3.30 (m, 1H) , 3.40-3.48 (m, 2H) , 3.77 (s, 3H) , 3.90 (s, 3H), 3.96-4.04 (m, 2H) , 6.53 (dd, J= 1.6, 8.8 Hz, 1H), 6.79 (s, 1H), 7.02 (s, 1H), 7.09 (dd, J= 6.8, 8.8 Hz, 1H), 7.41 (dd, J= 1.2, 8.8 Hz, 1H) .
MS (ESI) m/z 456 MH+ Example 2 64
N-Cyclopropylmethyl-N- [2-methoxy-7-(4-methoxy-2,6-dimethylphenyl)pyrazolo[1,5-a]pyrldln-3-yl]-N-tetrahydro-2ff-4-pyranylamine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.10- -O.05 (m, 2H) , 0.17-0.24 (m, 2H) , 0.67-O.78 (m, 1H) , 1.42-1.55 (m, 2H) , 1.77-1.87 (m, 2H) , 2.02 (s, 6H) , 2.90-2.96 (m, 2H) ,

3.13-3.23 (m, 1H) , 3.33-3.43 (m, 2H) , 3.83 (s, 3H) ,
3.85 (s, 3H) , 3.90-3.99 (m, 2H) , 6.35 (dd, J= 1.3, 6.8

7.32 (dd, J= 1.3, 8.8 Hz, 1H).
Example 2 65
N- [2-Methoxy-7-(2-methoxy-4, 6-
dimethylphenyDpyrazolo [1, 5-a]pyridin-3-yl] -N-
tetrahydro-2H-4-pyranyl-N-tetrahydro-2H-4-
pyranylmethylamine
(White amorphous) 1H NMR (400MHz, CDCl3) 5 1.16-1.29 (m, 2H) , 1.39-1.59
(m, 3H), 1.64-1.84 (m, 4H), 1.99 (s, 3H), 2.41 (s, 3H) , 2.90-3.04 (m, 3H) , 3.20-3.40 (m, 4H) , 3.70 (s, 3H) , 3.83 (s, 3H), 3.86-3.97 (m, 4H), 6.41 (dd, J= 1.3, 6.8 Hz, 1H) , 6.68 (s, 1H) , 6.75 (s, 1H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H), 7.21 (dd, J= 1.3, 8.8 Hz, 1H). Example 2 66
N-Cyclopropylmethyl-N- [7-^(2, 6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1, 5-a]pyridin-3-yl]-N-(1,3-oxazol-2-ylmethyl)amine (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.02-O.10 (m, 2H) , 0.28-O.38 (m, 2H) , 0.82-O.96 (m, 1H) , 2.43 (s, 3H) , 2.97 (d, J = 6.6 Hz, 2H) , 3.69 (s, 6H) , 3.84 (s, 3H) , 4.38 (s, 2H) , 6.44-6.53 (m, 1H), 6.49 (s, 2H) , 7.00 (s, 1H) , 7.01 (dd, J = 6.7, 8.8 Hz, 1H) , 7.27 (dd, J = 1.5, 8.8 Hz, 1H) ,

7.55 (s, 1H). MS (ESI) m/z 449 MH+

N- [7-(2-Methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(2-pyridyl)amine
After dissolving [7-(2-methoxy-4, 6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] amine (40 mg) in toluene (1 mL) , 2-bromopyridine (0.013 mL), sodium t-butoxide (25 mg) and dichlorobis(tri-o-tolylphosphine)palladium complex (3 mg) were added and the mixture was heated and stirred at 120°C for 5 hours. The mixture was cooled to room temperature, water was added, and extraction was performed with ethyl acetate. The organic layer was washed with brine, dried over anhydrous magnesium sulfate and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography, and the title compound (12 mg) was obtained from the ethyl acetate:n-hexane (1:2) fraction as white crystals.
lR NMR (400MHz, CDC13) 6 2.05 (s, 3H) , 2.35 (s, 3H) , 2.40 (s, 3H) , 3.70 (s, 3H) , 6.61 (dd, J= 1.3, 6.8 Hz, 1H) , 6.68 (s, 1H) , 6.76 (s, 1H) , 6.89 (ddd, J = 0.8, 4.8, 7.2 Hz, 1H) , 6.97 (dd, J= 0.8, 8.4 Hz, 1H) , 7.06 (dd, J= 6.8, 8.8 Hz, 1H) , 7.14 (dd, J= 1.3, 8.8 Hz,

1H) , 7.54 (ddd, J= 0.8, 7.2, 8.4 Hz, 1H) , 8.31 (dd, J
= 0.8, 4.8 Hz, 1H).
N-Cyclopropylmethyl-N [7- (2-methoxy-4, 6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]-N- (2-pyridyl)amine
The title compound (4 mg) was obtained as light
yellow crystals in the same manner as Example 2 67 using
N-cyclopropylmethyl-N-[2-ethyl-7-(2-methoxy-4,6-
dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine (50 mg) , with Pd2 (dba) 3CHC13 as the catalyst, and also using
2,2'-bis(diphenylphosphino)-1,1'-binaphthyl and sodium
t-butoxide. lH NMR (400MHz, CDCI3) 5 0.05-O.17 (m, 2H), 0.29-O.41
(m, 2H), 1.09-1.20 (m, 1H), 2.04 (s, 3H), 2.40 (s, 3H), 2.42 (s, 3H) , 3.72 (s, 3H) , 6.18 (d, J = 8.4 Hz, 1H) , 6.58 (dd, J= 4.8, 7.2 Hz, 1H) , 6.62 (dd, J= 0.8, 6.8 Hz, 1H) , 6.71 (s, 1H) , 6.79 (s, 1H) , 7.12 (dd, J = 6.8, 8.8 Hz, 1H) , 7.23 (dd, J= 0.8, 8.8 Hz, 1H) , 7.29 (dd, J= 7.2, 8.4 Hz, 1H), 8.22 (d, J= 4.8 Hz, 1H).
The compounds of Examples 269 and 270 were synthesized according to the production methods of Examples 267 and 268. Example 2 69
N- [7- (2,6-Dimethoxy-4-methylphenyl) -2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-propyl-

N- (2-pyridyl)amine (Light yellow crystals)

(m, 2H) , 2.41 (s, 3H) , 2.45 (s, 3H) , 3.74 (s, 6H) , 6.14 (d, J = 8.8 Hz, 1H) , 6.52 (s, 2H) , 6.55 (dd, J = 4.8, 7.2 Hz, 1H) , 6.69 (dd, J= 1.3, 6.8 Hz, 1H) , 7.11 (dd, J = 6.8, 8.8 Hz, 1H) , 7.15 (dd, J = 1.3, 8.8 Hz, 1H) , 7.25 (dd, J = 7.2, 8.8 Hz, 1H) , 8.21 (d, J = 4.8 Hz, 1H) .
Example 27 0
N-Cyclopropylmethyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-(2-pyridyl)amine (Light yellow crystals)
1H NMR (400MHz, CDC13) δ 0.09-O.17 (m, 2H), 0.32-O.40 (m, 2H) , 1.09-1.21 (m, 1H) , 2.45 (s, 3H) , 3.74 (s, 6H) , 3.87 (s, 6H) , 6.28 (d, J = 8.4 Hz, 1H) , 6.52 (s, 2H) , 6.53 (dd, J= 5.0, 7.2 Hz, 1H) , 6.61 (dd, J= 1.3, 6.8 Hz, 1H) , 7.08 (dd, J= 6.8, 8.8 Hz, 1H) , 7.12 (dd, J = 1.3, 8.8 Hz, 1H) , 7.27 (dd, J= 7.2, 8.4 Hz, 1H) , 8.18 (d, J = 5.0 Hz, 1H). Example 271
3-(2,5-Diethyl-lH-l-pyrrolyl)-7-(2, 6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridine
After dissolving 7-(2,6-dimethoxy-4-methylphenyl)-2-ethyl-3-nitropyrazolo[1,5-a]pyridine

(600 mg) in a mixture of ethanol (30 itiL) and water (30 mL) , acetic acid (3 mL) and zinc powder (600 mg) were

The ethanol of the obtained reaction mixture was distilled off under reduced pressure, and then saturated aqueous sodium hydrogencarbonate and ethyl acetate were added to the residue and extraction was performed with ethyl acetate. The obtained organic layers were combined, washed with water and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure to obtain 7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridine-3-amine (500 mg) as a crude product.
The obtained crude 7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-amine (160 mg) was dissolved in toluene (50 mL) , and then 3,6-octanedione (1 g) and acetic acid (15 mL) were added and the mixture was heated to reflux for 4 hours. The toluene of the obtained reaction mixture was distilled off under reduced pressure, and then saturated aqueous sodium hydrogencarbonate was added to the residue and extraction was performed with ethyl acetate. The extracted organic layer was washed with water and dried over anhydrous magnesium sulfate, and the solvent was distilled off under reduced pressure. The obtained residue was subjected to silica gel column

chromatography, and the title compound (19 mg) was
obtained from the n-hexane:ethyl acetate (10:1)
1H NMR (400MHz, CDC13) δ 1.07 (t, J = 7.6 Hz, 3H) , 1.08
(t, J = 7.6 Hz, 6H), 2.25 (q, J = 7.6 Hz, 2H) , 2.26 (q,
J = 7.6 Hz, 2H), 2.45 (s, 3H), 2.55 (q, J = 8.0 Hz, 2H),
3.73 (s, 6H), 5.99 (s, 2H), 6.54 (s, 2H), 6.73 (dd. J=
2.0, 6.4 Hz, 1H), 7.10-7.15 (m, 2H).
The compounds of Examples 272 to 27 6 were
synthesized according to the production method of
Example 25.
Example 272
N3-Cyclopropylmethyl-N3-tetrahydro-3-furanylmethyl-7-
[6-(dimethylamino)-4-methyl~3-pyridyl]-2-ethylpyrazolo[1,5-a]pyridin-3-amine
(Yellow oil)
1H NMR (400MHz, CDC13) 6 -O.05-O.05 (m, 2H) , 0.35-O.42
(m, 2H) , 0.80-O.90 (m, 1H) , 1.25 (t, J = 7.6 Hz, 3H) , 1.55-1.70 (m, 1H) , 1.85-1.95 (m, 1H) , 2.07 (s, 3H) , 2.20-2.30 (m, 1H), 2.77 (q, J =7.6 Hz, 2H), 2.90 (d, J = 6.8 Hz, 2H) , 3.06-3.11 (m, 1H) , 3.14 (s, 6H) , 3.17-3.25 (m, 2H), 3.60-3.84 (m, 4H) , 6.46 (s, 1H), 6.53 (dd, J = 1.6, 6.8 Hz, 1H) , 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.45 (dd, J = 1.6, 9.2Hz, 1H), 8.16 (s, 1H). Example 27 3 N3-Cyclopropylmethyl-N3-tetrahydro-3~furanylmethyl-7-

[6-(dimethylamino)-2,4-dimethyl-3-pyridyl]-2-
ethylpyrazolo[1,5-a]pyridin-3-amine

1H NMR (400MHz, CDC13) 6 -O.05-O.00 (m, 2H) , 0.30-O.40
(m, 2H) , 0.75-O.90 (m, 1H) , 1.21 (t, J = 7.2 Hz, 3H) , 1.60-1.70 (m, 1H) , 1.85-1.97 (m, 4H) , 2.14 (s, 3H) , 2.22-2.32 (m, 1H) , 2.75 (q, J = 7.6 Hz, 2H) , 2.91 (d, J = 6.4 Hz, 2H) , 3.05-3.15 (m, 7H) , 3.20-3.28 (m, 1H) , 3.59-3.88 (m, 4H) , 6.31 (s, 2H) , 6.46 (dd, J = 1.6, 6.8 Hz, 1H) , 7.00 (dd. J = 6.8, 9.2 Hz, 1H), 7.43 (dd, J = 1.2, 8.8 Hz, 1H). Example 274
N-Cyclopropylmethyl-N-(1,3-dioxolan-2-ylmethyl)-N- [2-ethyl-7-(4-methoxy-2,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.04 (m, 2H), 0.34-O.38 (m, 2H) , 0.84-O.96 (m, 1H) , 1.25 (t, J= 7.6 Hz, 3H) , 2.05 (s, 6H) , 2.81 (q, J = 7.6 Hz, 2H) , 3.07 (d, J = 6.8 Hz, 2H) , 3.41 (d, J = 4.4 Hz, 2H) , 3.86-3.90 (m, 2H), 3.87 (s, 3H) , 3.98-4.04 (m, 2H) , 6.47 (dd, J= 1.2, 6.8 Hz, 1H) , 6.73 (s, 2H) , 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.51 (dd, J= 1.2, 8.8 Hz, 1H). Example 27 5
N3-Cyclopropylmethyl-N3- (1, 3-dioxolan-2-ylmethyl) -7- [ 6-(dimethylamino)-4-methyl-3-pyridyl]-2-

ethylpyrazolo[1,5-a]pyridin-3-amine
(Yellow oil)

(m, 2H) , 0.80-O.92 (m, 1H) , 1.28 (t, J = 7.6 Hz, 3H) , 2.08 (s, 3H) , 2.81 (q, J = 7.6 Hz, 2H) , 3.03 (d, J = 6.8 Hz, 2H) , 3.15 (s, 6H) , 3.36 (d, J = 4.4 Hz, 2H) , 3.80-3.88 (m, 2H), 3.92-4.00 (m, 2H) , 4.91 (t, J= 4.4 Hz, 1H) , 6.46 (s, 1H) , 6.53 (dd, J = 1.6, 6.8 Hz, 1H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.49 (dd, J = 1.6, 8.8 Hz, 1H), 8.16 (s, 1H). Example 27 6
N3-Cyclopropylmethyl-l\73- (1, 3-dloxolan-2-ylmethyl) -7- [6-(dimethylamino)-2,4-dlmethyl-3-pyridyl]-2-ethylpyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.32-O.38 (m, 2H), 0.82-O.92 (m, 1H) , 1.26 (t, J= 7.6 Hz, 3H) , 1.99 (s, 3H) , 2.18 (s, 3H) , 2.81 (q, J = 7.6 Hz, 2H) ,
3.07 (d, J = 6.8 Hz, 2H) , 3.16 (s, 6H) , 3.04 (d, J =
4.4 Hz, 2H), 3.82-3.90 (m, 2H), 3.96-4.02 (m, 2H), 4.96
(t, J = 4.4 Hz, 1H) , 6.34 (s, 1H) , 6.48 (dd, J = 1.2,
6.8 Hz, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H) , 7.50 (dd,
J = 1.2, 8.8 Hz, 1H).
The compounds of Examples 277 to 286 were synthesized according to the production method of Example 47.

Example 277
N-[7-(2,6-Dimethoxy-4-methylphenyl)-2-(Yellow oil) 1H NMR (400MHz, CDC13) 5 0.87 (t, J= 7.3 Hz, 3H), 1.20
(t, J = 7.6 Hz, 3H) , 1.22-1.32 (m, 2H), 1.39 (ddq, J =
7.3, 7.3, 7.3 Hz, 2H), 1.51-1.63 (m, 1H), 1.70-1.78 (m, 2H) , 2.43 (s, 3H) , 2.74 (q, J= 7.6 Hz, 2H) , 2.93-2.98
(m, 2H) , 2.97 (dd, J= 7.3, 7.3 Hz, 2H) , 3.26-3.35 (m, 2H) , 3.70 (s, 6H) , 3.90-3.97 (m, 2H) , 6.51 (s, 2H) , 6.59 (dd, J- 1.3, 6.8 Hz, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H), 7.41 (dd, J= 1.3, 8.8 Hz, 1H). Example 278
N-Butyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 0.86 (t, J= 7.1 Hz, 3H) , 1.20 (t, J = 7.6 Hz, 3H) , 1.16-1.42 (m, 6H) , 1.49-1.63 (m, 1H), 1.66-1.80 (m, 2H), 2.43 (s, 3H), 2.73 (q, J= 7.6 Hz, 2H), 2.95 (d, J= 7.0 Hz, 2H) , 3.00 (t, J= 7.1 Hz, 2H) , 3.30 (dt, J = 2.0, 12.0 Hz, 2H) , 3.70 (s, 6H) , 3.88-4.00 (m, 2H) , 6.51 (s, 2H) , 6.59 (dd, J= 1.4, 6.9 Hz, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H) , 7.41 (dd, J = 1.4, 8.8 Hz, 1H).

MS (ESI) m/z 466 MH+ Example 27 9
__
2-ethylpyrazolo [1, 5-a]pyridin-3-yl] -N-tetrahydro-2.fJ-4-pyranylmethylamine
(Yellow oil)
1H NMR (400MHz, CDC13) δ 1.21 (t, J = 7.6 Hz, 3H) , 1.17-1.32 (m, 2H), 1.50-1.66 (m, 3H), 1.67-1.94 (m, 6H) , 2.25-2.40 (m, 1H) , 2.43 (s, 3H) , 2.72 (q, J = 7.5 Hz, 2H), 2.93 (d, J= 7.0 Hz, 2H), 3.04 (d, J= 7.1 Hz, 2H), 3.31 (dt, J = 1.9, 12.0 Hz, 2H) , 3.69 (s, 6H) , 3.88-4.00 (m, 2H) , 6.51 (s, 2H) , 6.59 (dd, J= 1.3, 6.8 Hz, 1H), 7.00 (dd, J= 7.0, 8.8 Hz, 1H), 7.39 (dd, J= 1.5, 8.8 Hz, 1H).
MS(ESI) m/z 478 MH+ Example 28 0
N-Butyl-N-[2-ethyl-7-(2,4, 6-
trimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine (Light yellow crystals)
1H NMR (400MHz, CDC13) δ 0.85 (t, J= 6.8 Hz, 3H) , 1.21 (t, J = 7.6 Hz, 3H) , 1.22-1.40 (m, 6H) , 1.50-1.60 (m, 1H), 1.70-1.77 (m, 2H), 2.73 (q, J= 7.6 Hz, 2H) , 2.95 (d, J = 6.8 Hz, 2H) , 3.00 (t, J = 6.8 Hz, 2H) , 3.26-3.34 (m, 2H), 3.70 (s, 6H), 3.88 (s, 3H), 3.90-3.96 (m, 2H), 6.24 (s, 2H) , 6.58 (dd, J= 1.6, 6.8 Hz, 1H), 6.99

(dd, J = 6.8, 8.8 Hz, 1H) , 7.39 (dd, J = 1.6, 8.8 Hz,
N-Cyclobutylmethyl-N-[2-ethyl-7-(2,4,6-trimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine (Light yellow crystals)
1H NMR (400MHz, CDC13) 5 1.21 (t, J = 7.6 Hz, 3H) , 1.23-1.30 (ra, 2H) , 1.52-1.62 (m, 3H), 1.71-1.82 (m, 4H), 1.82-1.92 (m, 2H) , 2.27-2.36 (m, 1H), 2.72 (q, J= 7.6 Hz, 2H), 2.93 (d, J = 6.8 Hz, 2H), 3.03 (d, J = 7.2 Hz, 2H) , 3.26-3.34 (m, 2H) , 3.69 (s, 6H) , 3.88 (s, 3H) , 3.90-3.96 (m, 2H), 6.24 (s, 2H) , 6.57 (dd, J= 1.2, 6.8
Hz, 1H) , 6.99 (dd, J= 6.8, 8.8 Hz, 1H) , 7.37 (dd, J = 1.2, 8.8 Hz, 1H).
Example 282
N-Cyclopropylmethyl-N-[2-ethyl-7-(2,4, 6-
trimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-2H-4-pyranylmethylamine (Light yellow crystals)
1H NMR (400MHz, CDCI3) 6 -O.02-O.03 (m, 2H) , 0.34-O.40 (m, 2H) , 0.80-O.90 (m, 1H) , 1.23 (t, J= 7.6 Hz, 3H) ,
1.23-1.34 (m, 2H), 1.54-1.64 (m, 1H), 1.73-1.80 (m, 2H),
2.78 (q, J = 7.6 Hz, 2H) , 2.89 (d, J = 6.8 Hz, 2H) ,
3.05 (d, J = 6.8 Hz, 2H) , 3.27-3.36 (m, 2H) , 3.71 (s,
6H) , 3.89 (s, 3H) , 3.92-3.97 (m, 2H) , 6.26 (s, 2H) ,

6.59 (dd, J= 1.6, 6.8 Hz, 1H) , 7.00 (dd, J= 6.8, 8.8
Hz, 1H), 7.43 (dd, J= 1.6, 8.8 Hz, 1H).

N-[7-(2,6-Dimethoxy-4-methylphenyl)-2-
ethylpyrazolo [1, 5-a]pyridin-3-yl] -N, N-ditetrahydro-2H-
4-pyranylmethylamine
(Yellow amorphous) 1H NMR (400MHz, CDC13) 5 1.21 (t, J = 7.6 Hz, 3H) ,
1.20-1.31 (m, 4H) , 1.52-1.60 (m, 2H) , 1.70-1.78 (m, 4H), 2.44 (s, 3H) , 2.74 (q, J = 7.6 Hz, 2H) , 2.93 (d, J = 6.8 Hz, 4H), 3.26-3.34 (m, 4H), 3.71 (s, 6H), 3.90-3.96
(m, 4H) , 6.52 (s, 2H) , 6.62 (dd, J= 1.6, 6.8 Hz, 1H) , 7.02 (dd, J= 6.8, 8.8 Hz, 1H) , 7.41 (dd, J= 1.6, 8.8 Hz, 1H). Example 284
AO-Cyclopropylmethyl-N3-tetrahydro-2#-4-pyranylmethyl-
7-[6-(dimethylamino)-4-methyl-3-pyridyl]-2- j
ethylpyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H), 0.33-O.41 (m, 2H) , 0.78-O.91 (m, 1H) , 1.28 (t, J = 7.5 Hz, 3H) , 1.23-1.36 (m, 2H), 1.54-1.67 (m, 1H), 1.72-1.82 (m, 2H), 2.10 (s, 3H) , 2.80 (q, J = 7.5 Hz, 2H) , 2.90 (d, J = 6.8 Hz, 2H), 3.07 (d, J = 7.1 Hz, 2H) , 3.17 (s, 6H) , 3.33 (dt, J = 2.0, 12.0 Hz, 2H) , 3.92-4.00 (m, 2H) , 6.48 (s, 1H) , 6.55 (dd, J= 1.5, 6.8 Hz, 1H), 7.03 (dd,

J = 6.8, 8.8 Hz, 1H) , 7.48 (dd, J = 1.4, 8.8 Hz, 1H) , 8.19 (s, 1H).
7-[6-(dimethylamino)-2,4-dimethyl-3-pyridyl]-2-ethylpyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
1H NMR (400MHz, CDC13) 6 -O.08- -O.02 (m, 2H) , 0.29-0.35 (m, 2H) , 0.76-O.87 (m, 1H) , 1.21 (t, J = 7.6 Hz, 3H), 1.22-1.34 (m, 2H), 1.54-1.66 (m, 1H) , 1.72-1.81 (m, 2H) , 1.96 (s, 3H) , 2.15 (s, 3H) , 2.75 (q, J = 7.6 Hz, 2H), 2.84-2.90 (m, 2H), 3.02-3.07 (m, 2H), 3.12 (s, 6H), 3.27-3.36 (m, 2H) , 3.90-3.98 (m, 2H) , 6.30 (s, 1H) , 6.44 (dd, J= 1.3, 6.8 Hz, 1H) , 6.98 (dd, J= 6.8, 8.8 Hz, 1H), 7.43 (dd, J= 1.3, 8.8 Hz, 1H). Example 28 6
N-Cyclopropylmethyl-N- [7-(2,4-dimethoxy-6-methylphenyl)-2-ethylpyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.05-O.00 (m, 2H) , 0.31-O.36 (m, 2H) , 0.77-O.87 (m, 1H) , 1.21 (t, J= 7.6 Hz, 3H) , 1.22-1.32 (m, 2H), 1.56-1.64 (m, 1H) , 1.72-1.80 (m, 2H) , 2.00 (s, 3H) , 2.72-2.79 (m, 2H) , 2.87 (d, J = 6.4 Hz, 2H) , 3.04 (d, J= 6.8 Hz, 2H) , 3.27-3.35 (m, 2H) , 3.67 (s, 3H), 3.85 (s, 3H) , 3.90-3.96 (m, 2H) , 6.43 (d, J =

2.0 Hz, 1H) , 6.47 (d, J = 2.0 Hz, 1H) , 6.49 (dd, J =
1.2, 6.8 Hz, 1H) , 6.99 (dd, J= 6.8, 8.8 Hz, 1H) , 7.43

The compounds of Examples 2 87 to 292 were
synthesized according to the production methods of
Examples 102 and 103.
Example 287
N-Cyclopropylmethyl-N-[7-(2-methoxy-4, 6-
dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-
a]pyridin-3-yl]-N-[(3-methyl-5-isoxazolyl)methyl]amine
(Light yellow oil) 1H NMR. (400MHz, CDCl3) 5 -O.01-O.06 (m, 2H), 0.31-O.38
(m, 2H), 0.82-O.92 (m, 1H), 1.96 (s, 3H), 2.22 (s, 3H) , 2.39 (s, 3H), 2.44 (s, 3H), 2.97-3.03 (m, 2H), 3.66 (s, 3H) , 4.43 (s, 2H) , 5.95 (s, 1H) , 6.49 (dd, J- 1.3, 6.8 Hz, 1H), 6.65 (s, 1H) , 6.73 (s, 1H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.32 (dd, J= 1.3, 8.8 Hz, 1H) . Example 288
AJ3-Cyclopropylmethyl-N3- [ 6- (dimethylamino) -2-pyridyl]methyl-7-(2-methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
XU NMR (400MHz, CDCl3) 5 -O.05-O.02 (m, 2H), 0.25-O.32 (m, 2H) , 0.84-O.93 (m, 1H) , 1.97 (s, 3H) , 2.39 (s, 3H) , 2.45 (s, 3H), 2.94-3.00 (m, 2H), 3.04 (s, 6H), 3.66 (s, 3H) , 4.37 (s, 2H) , 6.34 (d, J= 8.2 Hz, 1H) , 6.47 (dd,

J= 1.3, 6.8 Hz, 1H) , 6.66 (s, 1H) , 6.74 (s, 1H) , 6.99 (d, J = 7.3 Hz, 1H) , 7.01 (dd, J = 6.8, 8.8 Hz, 1H) ,
Hz, 1H) .
Example 28 9
N-Cyclopropylmethyl-N- (5-isoxazolylmethyl)-N- [7-(2-
methoxy-4,6-dimethylphenyl)-2-(methylsulfanyl)pyrazolo[l,5-a]pyridin-3-yl]amine
(Light yellow oil) ltt NMR (400MHz, CDC13) δ -O.02-O.08 (m, 2H), 0.31-O.41 (m, 2H), 0.83-O.93 (m, 1H), 1.96 (s, 3H) , 2.40 (s, 3H), 2.44 (s, 3H), 2.98-3.08 (m, 2H), 3.66 (s, 3H), 4.52 (s, 2H) , 6.14 (d, J = 1.2 Hz, 1H) , 6.51 (dd, J = 1.3, 6.8 Hz, 1H), 6.66 (s, 1H), 6.75 (s, 1H), 7.04 (dd, J= 6.8, 8.8 Hz, 1H) , 7.31 (dd, J= 1.3, 8.8 Hz, 1H), 8.10 (d, J = 1.2 Hz, 1H).
Example 290
N- [7-(2,6-Dimethoxy-4-methylphenyl)-2-(methylsulf anyDpyrazolo [1, 5-a]pyridin-3-yl] -N- (1, 3- dioxolan-2-ylmethyl)-N-propylamine (Light yellow crystals) 1H NMR (400MHz, CDCI3) 5 0.87 (t, J= 7.2 Hz, 3H) , 1.40 (tq, J= 7.2, 7.2 Hz, 2H) , 2.44 (s, 3H) , 2.44 (s, 3H) , 3.14 (t, J = 7.2 Hz, 2H) , 3.29 (d, J = 4.4 Hz, 2H) , 3.81 (s, 6H) , 3.82-3.88 (m, 2H) , 3.92-4.00 (m, 2H) , 4.92 (t, J= 4.4 Hz, 1H) , 6.48 (s, 2H) , 6.57 (dd, J =

1.6, 6.8 Hz, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H) , 7.42 (d, J = 8.8 Hz, 1H).
Example~~291
N-Cyclopropylmethyl-N-[7-(2, 6-dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl] -N- (1, 3-dioxolan-2-ylittethyl) amine (Light yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.06 (m, 2H) , 0.28-O.34 (m, 2H) , 0.82-O.92 (m, 1H) , 2.42 (s, 3H), 2.44 (s, 3H), 3.02 (d, J = 6.4 Hz, 2H) , 3.36 (d, J = 4.4 Hz, 2H) , 3.67 (s, 6H) , 3.78-3.84 (m, 2H) , 3.90-3.98 (m, 2H) , 4.92 (t, J = 4.4 Hz, 1H) , 6.47 (s, 2H) , 6.56 (dd, J = 1.2, 6.8 Hz, 1H) , 7.02 (dd, J= 7.2, 8.8 Hz, 1H) , 7.43 (dd, J = 1.2, 8.8 Hz, 1H). Example 292
N- [7-(2,6-Dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N- (1,3-dioxolan-2-ylmethyl)-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.56-1.66 (m, 1H) , 1.86-1.96 (m, 1H), 2.20-2.32 (m, 1H) , 2.44 (s, 3H) , 2.44 (s, 3H), 3.08-3.16 (m, 1H), 3.22-3.32 (m, 3H), 3.56-3.68 (m, 2H), 3.69 (s, 6H) , 3.72-3.84 (m, 2H) , 3.84-3.88 (m, 2H) , 3.94-3.98 (m, 2H) , 4.93 (t, J = 4.4 Hz, 1H) , 6.48 (s, 2H), 6.59 (dd, J= 1.2, 6.8 Hz, 1H), 7.06 (dd, J= 7.2, 8.8 Hz, 1H), 7.39 (dd, J= 1.6, 8.8 Hz, 1H) .

The compounds of Examples 2 93 and 2 94 were synthesized according to the production method of
Example 159.
Example 293
N- [7-(2,6-Dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N-(1,3-dioxolan-2-ylmethyl)-N-tetrahydro-2H-4-pyranylmethy1amine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.22-1.32 (m, 2H) , 1.50-1.60 (m, 1H), 1.76-1.84 (m, 2H), 2.44 (s, 3H), 2.44 (s, 3H), 3.09 (d, J = 6.8 Hz, 2H) , 3.25 (d, J = 4.4 Hz, 2H) , 3.24-3.36 (m, 2H) , 3.70 (s, 6H) , 3.82-3.88 (m, 2H) , 3.90-3.98 (m, 4H) , 4.92 (t, J = 4.4 Hz, 1H) , 6.49 (s, 2H), 6.59 (dd, J= 1.2, 6.8 Hz, 1H), 7.05 (dd, J= 6.8, 8.8 Hz, 1H), 7.40 (d, J= 8.8 Hz, 1H). Example 294
N- [7- (2,6-Dimethoxy-4-methylphenyl)-2-(methylsulfanyl)pyrazolo[1,5-a]pyridin-3-yl]-N, N-ditetrahydro-2H-4-pyranylmethylamine (Light yellow amorphous)
1H NMR (400MHz, CDC13) 6 1.21-1.32 (m, 4H), 1.48-1.61
(m, 2H), 1.74-1.83 (m, 4H), 2.43 (s, 3H), 2.44 (s, 3H) ,
2.89-2.95 (m, 4H) , 3.26-3.35 (m, 4H) , 3.70 (s, 6H) ,
3.89-3.96 (m, 4H) , 6.48 (s, 2H), 6.59 (dd, J= 1.3, 6.8
Hz, 1H) , 7.04 (dd, J- 6.8, 8.8 Hz, 1H) , 7.31 (dd, J =

1.3, 8.8 Hz, 1H).
The compounds of Examples 295 to 298 were

Examples 237 and 238. Example 295
N-[l-(2,6-Dimethoxy-4-methylphenyl)-2-
methoxypyrazolo[1,5-a]pyridin-3-yl]-AT-(1, 3-dioxolan-2-ylmethyl)-N-tetrahydro-3-furanylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.54-1.66 (m, 1H) , 1.86-1.96 (m, 1H), 2.18-2.32 (m, 1H), 2.44 (s, 3H), 2.98-3.06 (m, 1H) , 3.14-3.24 (m, 3H) , 3.52-3.68 (m, 2H), 3.71 (s, 6H) , 3.72-3.84 (m, 2H) , 3.86 (s, 3H) , 3.90-3.98 (m, 2H) , 4.91 (t, J = 4.4 Hz, 1H) , 6.48 (dd, J = 1.2, 6.8 Hz, 1H), 6.49 (s, 2H), 7.04 (dd, J= 6.8, 8.8 Hz, 1H), 7.30 (dd, J = 1.2, 8.8 Hz, 1H) . Example 29 6
N3-Cyclopropylmethyl-N3-tetrahydro-3-furanylmethyl-7-[6-(dimethylamino)-2,4-dimethyl-3-pyridyl]-2-methoxypyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
LH NMR (400MHz, CDC13) δ -O.09-O.01 (m, 2H) , 0.23-O.33 (m, 2H) , 0.75-O.86 (m, 1H) , 1.58-1.69 (m, 1H) , 1.86-1.96 (m, 1H), 1.97 (s, 3H), 2.15 (s, 3H), 2.20-2.30 (m, 1H) , 2.79-2.85 (m, 2H), 2.94-3.01 (m, 1H), 3.10-3.18 (m, 1H), 3.13 (s, 6H), 3.55-3.61 (m, 1H), 3.63-3.70 (m, 1H) ,

3.71-3.83 (m, 2H) , 3.84 (s, 3H), 6.29 (s, 1H), 6.34 (dd, J = 1.3, 6.8 Hz, 1H) , 6.99 (dd, J = 6.8, 8.8 Hz, 1H) ,
Example 297
ftQ-Cyclopropylmethyl-N3-tetrahydro-3-furanylmethyl-7-[6-(dimethylamino)-4-methyl-3-pyridyl]-2-methoxypyrazolo[1,5-a]pyridin-3-amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.06-O.05 (m, 2H) , 0.25-O.36 (m, 2H) , 0.75-O.87 (m, 1H) , 1.57-1.68 (m, 1H) , 1.84-1.96 (m, 1H) , 2.11 (s, 3H) , 2.15-2.29 (m, 1H) , 2.78-2.85 (m, 2H) , 2.92-3.01 (m, 1H) , 3.08-3.17 (m, 1H) , 3.15 (s, 6H) , 3.56-3.69 (m, 2H) , 3.70-3.83 (m, 2H) , 3.89 (s, 3H) , 6.41 (dd, J= 1.3, 6.8 Hz, 1H) , 6.44 (s, 1H) , 7.01 (dd, J= 6.8, 8.8 Hz, 1H) , 7.31 (dd, J= 1.3, 8.8 Hz, 1H), 8.13 (s, 1H). Example 298
N-Cyclopropylmethyl-N-(1,3-dioxolan-2-ylmethyl)-N- [2-methoxy-7-(4-methoxy-2,6-dimethylphenyl)pyrazolo[1,5-a]pyridin-3-yl]amine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.04-O.06 (m, 2H), 0.24-O.34
(m, 2H) , 0.84-O.96 (m, 1H), 2.07 (s, 6H), 2.99 (d, J =
6.8 Hz, 2H) , 3.35 (d, J = 4.4 Hz, 2H) , 3.84-3.92 (m,
2H) , 3.89 (s, 6H), 3.94-4.04 (m, 2H), 4.98 (t, J= 4.4
Hz, 1H) , 6.39 (d, J = 6.8 Hz, 1H) , 6.74 (s, 2H) , 7.07

(dd, J= 6.8, 8.8 Hz, 1H), 7.44 (d, J= 8.8 Hz, 1H).
The compounds of Examples 299 to 312 were

Example 256.
Example 299
N-Butyl-N- [7-(2,6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine
(Yellow oil) 1H NMR (400MHz, CDC13) 5 0.83-O.89 (m, 3H) , 1.18-1.38
(m, 6H), 1.55-1.60 (m, 1H), 1.68-1.77 (m, 2H) , 2.44 (s,
3H) , 2.86 (d, J= 6.8 Hz, 2H), 2.90-2.95 (m, 2H), 3.25-
3.32 (m, 2H), 3.71 (s, 6H), 3.85 (s, 3H), 3.88-3.96 (m,
2H) , 6.46-6.49 (m, 1H) , 6.49 (s, 2H), 7.00 (dd, J= 6.4,
8.8 Hz, 1H), 7.22-7.24 (m, 1H).
Example 300
N-Cyclobutylmethyl-N-[7-(2,6-dimethoxy-4-methylphenyl)-
2-methoxypyrazolo [1, 5-a]pyridin-3-yl] -N-tetrahydro-2ff-
4-pyranylmethylamine
(Light yellow crystals)
1H NMR (400MHz, CDC13) 5 1.18-1.30 (m, 2H) , 1.50-1.62 (m, 3H), 1.70-1.90 (m, 6H), 2.28-2.36 (m, 1H), 2.43 (s, 3H), 2.84 (d, J= 7.2 Hz, 2H) , 2.95 (d, J= 7.2 Hz, 2H) , 3.25-3.33 (m, 2H) , 3.70 (s, 6H) , 3.85 (s, 3H) , 3.88-3.94 (m, 2H) , 6.47 (dd, J= 1.2, 6.8 Hz, 1H) , 6.49 (s, 2H), 7.00 (dd, J= 6.8, 8.8 Hz, 1H), 7.22 (dd, J = 1.2,

8.8 Hz, 1H). Example 301

methoxypyrazolo[1,5-a]pyridin-3-yl]-N-(1, 3-dioxolan-2-ylmethyl)-N-tetrahydro-2fl-4-pyranylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.20-1.32 (m, 2H) , 1.50-1.62 (m, 1H), 1.74-1.82 (m, 2H), 2.44 (s, 3H), 2.99 (d, J= 7.2 Hz, 2H) , 3.18 (d, J = 4.4 Hz, 2H) , 3.24-3.32 (m, 2H) , 3.72 (s, 6H) , 3.80-3.86 (m, 2H) , 3.87 (s, 3H) , 3.90-3.98 (m, 4H) , 4.89 (t, J = 4.4 Hz, 1H) , 6.49 (dd, J= 1.6, 6.8 Hz, 1H) , 6.50 (s, 2H) , 7.03 (dd, J= 6.8, 8.8 Hz, 1H), 7.30 (dd, J= 1.6, 8.8 Hz, 1H). Example 302
N-Butyl-W- [7-(2,6-dimethoxy-4-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yll-N-tetrahydro-2ff-4-pyrany1amine (White crystals)
1H NMR (400MHz, CDC13) 6 0.79-O.87 (m, 3H) , 1.23-1.36 (m, 4H), 1.45-1.54 (m, 2H), 1.77-1.86 (m, 2H), 2.44 (s, 3H), 3.01-3.13 (m, 3H), 3.32-3.41 (m, 2H), 3.72 (s, 6H) , 3.86 (s, 3H), 3.90-3.98 (m, 2H) , 6.49 (dd, J= 1.3, 6.8 Hz, 1H) , 6.50 (s, 2H) , 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.25 (dd, J= 1.3, 8.8 Hz, 1H). Example 303 N-Cyclobutylmethyl-M-[7-(2,6-dimethoxy-4-methylphenyl)-

2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-
(m, 1H), 2.44 (s, 3H), 3.00-3.10 (m, 3H), 3.31-3.40 (m,
2H) , 3.71 (s, 6H) , 3.85 (s, 3H) , 3.90-3.98 (m, 2H) ,
6.48 (dd, J= 1.3, 6.8 Hz, 1H), 6.50 (s, 2H), 7.02 (dd,
J= 6.8, 8.8 Hz, 1H), 7.24 (dd, J= 1.3, 8.8 Hz, 1H).
Example 304
N- [7-(2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1,5-
a]pyridin-3-yl]-N-tetrahydro-3-furanylmethyl-N-
tetrahydro-2Jf-4-pyranylamine
(Light yellow amorphous) 1H NMR (400MHz, CDCI3) 5 1.41-1.65 (m, 3H), 1.74-1.91
(m, 3H) , 2.08-2.17 (m, 1H) , 2.93-3.08 (m, 2H) , 3.11-
3.18 (m, 1H) , 3.30-3.40 (m, 2H) , 3.54-3.72 (m, 3H) ,
3.75-3.83 (m, 1H) , 3.87 (s, 3H) , 3.88 (s, 3H) , 3.90-
3.97 (m, 2H) , 6,50 (dd, J= 1.3, 6.8 Hz, 1H), 6.91 (dd,
J= 2.4, 8.4 Hz, 1H) , 7.04 (dd, J= 6.8, 8.8 Hz, 1H) ,
7.06 (d, J = 2.4 Hz, 1H) , 7.25 (dd, J = 1.3, 8.8 Hz,
1H), 7.43 (d, J = 8.4 Hz, 1H).
Example 305
N- [7-(2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1,5-
a]pyrldin-3-yl]-N-tetrahydro-2H-4-pyranyl-N-tetrahydro-
2Jf-4-pyranylmethylamine
(Light yellow amorphous)

1H NMR (400MHz, CDC13) 5 1.17-1.30 (m, 2H) , 1.36-1.54 (m, 3H) , 1.65-1.74 (m, 2H) , 1.75-1.83 (m, 2H) , 2.91-
3 :05 (m, 3HT,
3.88 (s, 3H) , 3.88 (s, 3H) , 3.85-3.97 (m, 4H), 6.50 (dd, J = 1.3, 6.8 Hz, 1H) , 6.91 (dd, J = 2.4, 8.4 Hz, 1H) , 7.02 (dd, J = 6.8, 8.8 Hz, 1H) , 7.06 (d, J - 2.4 Hz, 1H) , 7.25 (dd, J = 1.3, 8.8 Hz, 1H) , 7.45 (d, J = 8.4 Hz, 1H).
Example 306 N-Butyl-N-[2-methoxy-7-(2,4,6-
trimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-2H-4-pyranylmethylamine (Yellow oil) lK NMR (400MHz, CDC13) 5 0.85 (t, J = 6.8 Hz, 3H) ,
1.19-1.36 (m, 6H), 1.49-1.55 (m, 1H), 1.70-1.77 (m, 2H),
2.87 (d, J = 7.2 Hz, 2H) , 2.93 (t, J = 7.2 Hz, 2H) ,
3.25-3.32 (m, 2H), 3.71 (s, 6H), 3.86 (s, 3H), 3.89 (s,
3H), 3.89-3.94 (m, 2H), 6.24 (s, 2H), 6.48 (dd, J= 1.6,
6.8 Hz, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H) , 7.23 (dd,
J = 1.6, 8.8 Hz, 1H).
Example 307
N-Cyclobutylmethyl-N- [2-methoxy-7-(2,4,6-
trimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-
tetrahydro-2ff-4-pyranylmethylamine
(Yellow oil) lH NMR (400MHz, CDCI3) 5 1.20-1.30 (m, 2H), 1.49-1.60

(m, 3H), 1.70-1.86 (m, 6H) , 2.28-2.35 (m, 1H) , 2.83 (d, J= 7.2 Hz, 2H) , 2.95 (d, J = 7.2 Hz, 2H), 3.25-3.32 (m, 3.94 (m, 2H) , 6.23 (s, 2H) , 6.47 (dd, J= 1.6, 6.8 Hz, 1H) , 7.00 (dd, J= 6.8, 8.8 Hz, 1H) , 7.21 (dd, J= 1.6, 8.8 Hz, 1H). Example 308
AZ-Cyclopropylmethyl-N- [2-methoxy-7- (2,4,6-trimethoxyphenyl)pyrazolo[1, 5-a]pyridin-3-yl]-N-tetrahydro-2iJ-4-pyranylmethylamine (Yellow oil)
XE NMR (400MHz, CDCl3) 5 -O.02-O.02 (m, 2H) , 0.28-O.34 (m, 2H) , 0.80-O.90 (m, 1H) , 1.18-1.32 (m, 2H) , 1.50-1.60 (m, 1H) , 1.72-1.77 (m, 2H) , 2.80 (d, J = 6.4 Hz, 2H) , 2.94 (d, J= 7.2 Hz, 2H), 3.25-3.32 (m, 2H), 3.71 (s, 6H) , 3.86 (s, 3H), 3.88 (s, 3H), 3.88-3.94 (m, 2H) , 6.24 (s, 2H) , 6.47 (dd, J= 1.6, 6.8 Hz, 1H), 6.99 (dd, J= 6.8, 8.8 Hz, 1H), 7.28 (dd, J= 1.6, 8.8 Hz, 1H). Example 309
A/3-Cyclopropylmethyl-A?3-tetrahydro-2H-4-pyranylmethyl-7-[6-(dlmethylamino)-2,4-dimethyl-3-pyridyl]-2-methoxypyrazolo[1,5-a]pyridln-3-amlne (Yellow oil)
1H NMR (400MHz, CDCI3) 5 -O.02-O.04 (m, 2H), 0.30-O.38 (m, 2H) , 0.82-O.96 (m, 1H) , 1.28-1.43 (m, 2H) , 1.57-1.72 (m, 1H), 1.79-1.89 (m, 2H), 2.05 (s, 3H), 2.24 (s,

3H) , 2.87 (d, J= 6.6 Hz, 2H), 3.03 (d, J = 7.1 Hz, 2H) ,
3.21 (s, 6H) , 3.38 (dt, J= 2.0, 12.0 Hz, 2H), 3.93 (s,
6.8 Hz, 1H) , 7.07 (dd, J= 6.8, 8.8 Hz, 1H) , 7.38 (dd,
J = 1,4, 8.8 Hz, 1H).
Example 310
AJ3-Cyclopropylmethyl-N3-tetrahydro-2H-4-pyranylmethyl-
7-[6-(dimethylamino)-4-methyl-3-pyridyl]-2-methoxypyrazolo[1, 5-a]pyridin-3-amine
(Yellow oil) 1H NMR (400MHz, CDC13) δ -O.03-O.08 (m, 2H), 0.29-O.38
(m, 2H) , 0.78-O.94 (m, 1H) , 1.24-1.38 (m, 2H) , 1.50-1.66 (m, 1H), 1.73-1.84 (m, 2H) , 2.15 (s, 3H) , 2.84 (d, J = 6.8 Hz, 2H), 2.98 (d, J= 7.1 Hz, 2H), 3.19 (s, 6H), 3.33 (dt, J = 1.6, 12.0 Hz, 2H) , 3.93 (s, 3H) , 3.90-4.00 (m, 2H) , 6.45 (dd, J= 0.6, 6.8 Hz, 1H) , 6.49 (s, 1H), 7.05 (dd, J= 6.8, 7.3 Hz, 1H), 7.36 (dd, J= 0.7, 8.8 Hz, 1H), 8.19 (s, 1H). Example 311
N- [7- (2-Chloro-4-methoxyphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N, N-ditetrahydro-2H-4-pyranylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ 1.18-1.31 (m, 4H), 1.46-1.58 (m, 2H) , 1.70-1.80 (m, 4H) , 2.81-2.88 (m, 4H) , 3.24-3.34 (m, 4H), 3.88 (s, 3H), 3.89 (s, 3H), 3.89-3.96 (m,

4H), 6.50 (dd, J= 1.3, 6.8 Hz, 1H), 6.91 (dd, J= 2.4, 8.4 Hz, 1H), 7.02 (dd, J= 6.8, 8.8 Hz, 1H), 7.06 (d, J
Example 312
N-Cyclopropylmethyl-A/- [7- (2, 4-dimethoxy-6-methylphenyl)-2-methoxypyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-2H-4-pyranylmethylamine (Yellow oil)
1H NMR (400MHz, CDC13) δ -O.05-O.00 (m, 2H), 0.23-O.34 (in, 2H) , 0.76-O.86 (m, 1H) , 1.22-1.33 (m, 2H) , 1.50-1.60 (m, 1H) , 1.68-1.80 (m, 2H) , 2.02 (s, 3H) , 2.74-2.86(m, 2H), 2.89-3.00 (m, 2H) , 3.29 (dt, J= 2.0, 11.6 Hz, 2H) , 3.69 (s, 3H) , 3.85 (s, 3H) , 3.86 (s, 3H) , 3.88-3.94 (m, 2H) , 6.39 (dd, J= 1.2, 6.8 Hz, 1H) , 6.42 (d, J= 2.0 Hz, 1H), 6.46 (d, J= 2.0 Hz, 1H), 7.00 (dd, J= 6.8, 9.2 Hz, 1H), 7.29 (dd, J= 1.2, 9.2 Hz, 1H).
The compounds of Examples 313 to 314 were synthesized according to the production method of Example 40. Example 313
N-Cyclopropylmethyl-N-[2-ethyl-7-(4-ethyl-2, 6-dimethoxyphenyl)pyrazolo[1,5-a]pyridin-3-yl]-N-tetrahydro-3-furanylmethylamine (Yellow oil) 1H NMR (400MHz, CDCI3) 5 -O.04-O.02 (m, 2H) , 0.32-O.40

(m, . 2H) , 0.78-O.88 (m, 1H) , 1.12-1.36 (m, 6H) , 1.56-
1.64 (m, 1H) , 1.82-1.92 (m, 1H) , 2.18-2.30 (m, 1H) , 3.18-3.24 (m, 1H) , 3.76-3.82 (m, 4H) , 3.69 (s, 6H) ,
6.51 (s, 2H), 6.57 (dd, J= 1.2, 6.8 Hz, 1H) , 6.99 (dd,
J= 6.8, 8.8 Hz, 1H), 7.40 (dd, J= 1.2, 8.8 Hz, 1H).
Example 314
N-Cyclopropylmethyl-N-[2-ethyl-7-(4-ethyl-2, 6-
dimethoxyphenyl)pyrazolo[1,5-a]pyrldln-3-yl]-N-
tetrahydro-2H-4-pyranylmethylamine
(Yellow oil) 1H NMR (400MHz, CDC13) δ -O.02-O.04 (m, 2H) , 0.34-O.40
(m, 2H), 0.80-O.88 (m, 1H), 1.22-1.36 (m, 2H), 1.24 (t, J= 7.6 Hz, 3H), 1.35 (t, J= 7.6 Hz, 3H) , 1.54-1.66 (m, 1H) , 1.74-1.82 (m, 2H), 2.74 (q, J= 7.6 Hz, 2H) , 2.79
(q, J= 7.6 Hz, 2H) , 2.90 (d, J= 6.8 Hz, 2H), 3.60 (d, J= 7.2 Hz, 2H), 3.30-3.38 (m, 2H), 3.73 (s, 6H), 3.92-3.98 (m, 2H) , 6.55 (s, 2H) , 6.61 (dd, J= 1.6, 6.8 Hz, 1H), 7.01 (dd, J= 6.8, 8.8 Hz, 1H) , 7.44 (dd, J= 1.2, 8.8 Hz, 1H).
In the Examples and Production Examples throughout the present specification, aldehyde compounds, halogenated compounds and sulfonates such as dihydro-2H-pyran-3(4H)one [CAS NO.23462-75-1], (R)-3-tetrahydropyrancarboxyaldehyde [CAS NO.143810-10-O], (S)-3-tetrahydropyrancarboxyaldehyde [CAS NO.141822-85-

7], (±)-3-tetrahydropyrancarboxyaldehyde [CAS NO.77342-93-9], 3-formyl-5,6-dihydro-2H-pyran [CAS NO.13417-49-
dimethylamino-2-pyridinecarboxyaldehyde [CAS NO.208110-
83-2], 6-dimethylamino-3-pyridinecarboxyaldehyde [CAS
NO.149805-92-5], 3-methyl-5-isoxazolemethanol
methanesulfonate [CAS NO.96603-41-7], 3-(phenylmethoxy)-1-butanol 4-methylbenzenesulfonate [CAS NO.96556-29-5], [(2-bromo-l-methylethoxy)methyl]-benzene [CAS NO.135364-12-4], 5-(bromomethyl)isoxazole [CAS NO. 69735-35-9] and the like may be used as starting materials. [Test Examples]
Compounds of the present invention were evaluated in regard to Corticotropin-Releasing Factor Receptor (CRFR) binding affinity and inhibiton of cAMP production. The test methods and results were as follows. Test Example 1 (1) Preparation of CRFR-expressing cells
Membrane fraction of the cell highly expressing human CRFR1 was used as the experimental material for a CRFR binding experiment. The CRFR expressing cells were prepared in the following manner. The full-length CRFR1 gene was obtained from a human brain cDNA library

(QuickClone™, Clontech) by PCR. The obtained DNA fragments were inserted into cloning vectors and the

correct base sequence was then relinked to an expression vector (pcDNA3.1™, Invitrogen). The CRFR1 expression vector was introduced into HEK293 cells, and the resistant cells which grew in cell medium containing G418 (1 mg/ml) were cloned by limiting dilution. From these cloned cells, the clones with high binding affinity between the membrane fraction and sauvagine per unit of protein in the binding experiment described below were selected out and used for the final experiment. (2) Preparation of membrane fraction
The cloned cells obtained in (1) were collected and disrupted with an ultrasonic generator in sonicate buffer (D-PBS(-) 10 mM MgCl2, 2 mM EGTA) . The suspension obtained from ultrasonic disruption was centrifuged (46,000 x g, 10 minutes), and the precipitate was resuspended in sonicate buffer and the same procedure was repeated. The final precipitate was then suspended in binding buffer (D-PBS(-) 10 mM MgCl2, 2mM EGTA, 1.5% BSA, 0.15 mM bacitracin, 1 x protease inhibitor cocktail (COMPLETE™, Boehringer)), and used as the membrane fraction after adjusting the protein concentration to 1.6 mg/ml.

(3) Binding experiment
The sauvagine binding experiment was conducted

using a 96-well plate. The experiment was conducted according to the SPA beads instruction manual. After allowing 40 mg of the membrane fraction protein, 0.5 mg of SPA beads and 50 pM of 125I-sauvagine (Amersham Pharmacia) to stand at room temperature for 2 hours in the presence of the test compound, the mixture was centrifuged (1000 x g, 5 minutes) and the radioactivity of each well was measured with a TopCount™ (Packard) . (4) Calculation of binding affinity
The radioactivity for non-radioactive sauvagine added in a 1000-fold excess was subtracted from each value as the non-specific binding, and the radioactivity of a sample without addition of the test substance (control) was defined as 100%, with each value represented as a percentage (% of control) . A graph was drawn with the concentration of the test substance plotted on - the horizontal axis and the percentage (% of control) plotted on the vertical axis, and the concentration which resulted in a 50% value for the percentage (% of control) was determined from the graph to calculate the IC50 value. Test Example 2
cells>
(1) Test procedure

tumor-derived cell line which is known to respond to Corticotropin-Releasing Factor (CRF), leading to activation of the intracellular adenylate cyclase system, production of cyclic AMP (cAMP), and release of adenocorticotropic hormone (ACTH) (Biochem. Biophys. Res. Com. 106, 1364-1371, 1982). For the experiment, the cells (1 x 105) were suspended in D-MEM medium (0.1% FBS) and seeded in a 96-well plate, phosphodiesterase inhibitor (IBMX, Calbiochem) was added to a final concentration of 1 mM, and were cultured at 37°C for 30 minutes. A dilution of the test compound was added, culturing was continued for 30 minutes at 37°C, and CRF (30 nM) was added and culturing was continued for 30 minutes at 37°C. The cells were collected by centrifugatioh (500 x g, 5 minutes) and lysed with lysis buffer (0.2% dodecyltrimethylammmonium bromide), and the intracellular cAMP production was quantified by the HTRF method. A cAMP kit HTRF (CIS Diagnostics Co., Ltd.) was used for the cAMP quantification. (2) Calculation of cAMP production inhibition
The obtained data were processed in the following manner. The cAMP production of cells to which 30 nM CRF had been added was defined as 100% (control) , and

the value for each specimen was represented as a percentage (% of control) . A graph was drawn with the
horizontal axis and the percentage (% of control) plotted on the vertical axis, and the concentration which resulted in a 50% value for the percentage (% of control) was determined from the graph to calculate the IC50 value.
In Test Example 1, the compound of the invention exhibited excellent binding affinity for CRFR, with an IC50 value of 5-5000 nM. In Test Example 2, the compound of the invention exhibited excellent inhibition against CRF-dependent cAMP production. Some of the results are shown below in Table 1.


Industrial Applicability
As explained above, the present invention provides novel pyrazolo [1,5-a]pyridine compounds having CRF receptor antagonistic activity, their salts and novel pharmaceutical compositions comprising them. The compounds of the invention or their salts exhibit excellent antagonism against CRF receptors and particularly against CRF1 receptor, while having low toxicity and high safety, and are therefore highly useful as drugs. The compounds of the invention and pharmaceutical compositions comprising them are useful for treatment or prevention of diseases associated with CRF and/or CRF receptors, and particularly they are useful as therapeutic or prophylactic agents for depression and depressive symptoms (major depression, single-episode depression, recurrent depression, depression-induced child abuse, postpartum depression, etc.), mania, anxiety, generalized anxiety disorder,

panic disorder, phobias, obsessive-compulsive disorder, posttraumatic stress disorder, Tourette' s syndrome,
autism, affective disorder, dysthymia, bipolar disorder
cyclothymic personality, schizophrenia, peptic ulcer, irritable bowel syndrome, ulcerative colitis, Crohn's disease, diarrhea, constipation, postoperative ileus, stress-associated gastrointestinal disorders, nervous vomiting, and the like.







WE CLAIM;
■ 1. A compound represented by the general formula:

wherein R7a represents hydrogen, nitro, -NO or -NHR7d (wherein R7d represents hydrogen, t-butoxycarbonyl or benzyloxycarbonyl)/
R7c represents methylene, oxygen or sulfur; and R7b represents hydrogen, halogen, the formula:

wherein R8a and R8b each independently represent hydrogen or C1-6 alkyl, or R8a and R8b may bond together to form 1,2-ethylene, 1,3-propylene or 2, 3-dimethylbutan-2,3-diyl, the formula:

wherein R8c, R8d and R8e each independently represent C1_6 alkyl or the formula:


wherein R40 and R41 each independently represent methoxy, ethoxy, ethyl, dimethylamino, methyl or halogen, R42 represents hydrogen, methoxy, methyl or halogen, and Z1 and Z2 each independently represent methine or nitrogen, with the proviso that compounds satisfying the following conditions (1), (2) or (3) are not included in the above definitions:
(1) R7c is oxygen, R7b is hydrogen and R7a is hydrogen, nitro, -NO or -NH2, (2) R7c is sulfur, R7b is hydrogen and R7a is nitro or -NH2, or (3) R7c is methylene, R7b is hydrogen and R7a is -NO, a salt thereof or a hydrate of the foregoing.
2. The compound claimed in claim 1, a salt of the
compound or a hydrate of the foregoing, wherein R7a and
R7b are hydrogen.
3. The compound claimed in claim 1, a salt of the
compound or a hydrate of the foregoing, wherein R7b is
not hydrogen.
4. The compound represented by the general
formula:

wherein R5 and R6 each independently represents a formula -X5-X6-X7 wherein X5 represents a single bond or

-CO-; X6 represents a single bond, -NR3a-, oxygen, sulfur, sulfinyl, sulfonyl, C1-10 alkylene, C2-io alkenylene or C2-10 alkynylene; and X7 and R3a each independently represent hydrogen, C1-10 alkyl, C2-io alkenyl, C2-10 alkynyl, C3-B cycloalkyl, C5-8 cycloalkenyl, C6-14 aryl, a 5- to 14-membered heteroaryl group, a 4- to 14-membered heterocyclic group, a 9- to 11-membered benzene fused ring group, an 8- to 11-membered heteroaryl fused ring group or a bicyclic 7- to 12-membered hydrocarbon ring group;
R5 and R6 may bond together to form a 5- to 10-membered ring optionally containing 1 to 4 hetero atoms in the ring and optionally containing carbonyl in the ring; R7c represents methylene, oxygen or sulfur; and R7e represents halogen, the formula:

wherein R8a and R8b each independently represent hydrogen or C1-6 alkyl, or R8a and R8b may bond together to form 1,2-ethylene, 1,3-propylene or 2,3-dimethylbutan-2,3-diyl, or the formula:

wherein R8c, R8d and R8e each independently represent C1-6 alkyl,

A slat thereof or a hydrate of the foregoing


Documents:

1966-chenp-2007 form-3 10-01-2011.pdf

1966-CHENP-2007 POWER OF ATTORNEY 10-01-2011.pdf

1966-CHENP-2007 AMENDED CLAIMS 10-01-2011.pdf

1966-CHENP-2007 AMENDED PAGES OF SPECIFICATION 10-01-2011.pdf

1966-CHENP-2007 CORRESPONDENCE 29-10-2010.pdf

1966-CHENP-2007 CORRESPONDENCE OTHERS 18-06-2012.pdf

1966-CHENP-2007 CORRESPONDENCE OTHERS 28-02-2012.pdf

1966-CHENP-2007 EXAMINATION REPORT REPLY RECEIVED 10-01-2011.pdf

1966-CHENP-2007 OTHER PATENT DOCUMENT 10-01-2011.pdf

1966-chenp-2007-abstract.pdf

1966-chenp-2007-assignment.pdf

1966-chenp-2007-claims.pdf

1966-chenp-2007-correspondense others.pdf

1966-chenp-2007-discription complete.pdf

1966-chenp-2007-form 1.pdf

1966-chenp-2007-form 3.pdf

1966-chenp-2007-form 5.pdf

1966-chenp-2007-pct.pdf


Patent Number 250903
Indian Patent Application Number 1966/CHENP/2007
PG Journal Number 06/2012
Publication Date 10-Feb-2012
Grant Date 06-Feb-2012
Date of Filing 08-May-2007
Name of Patentee EISAI CO., LTD.
Applicant Address 6-10, Koishikawa 4-chome, Bunkyo-ku, Tokyo 112-8088
Inventors:
# Inventor's Name Inventor's Address
1 HIBI, Shigeki 7-12, Ninomiya 2-chome, Tsukuba-shi, Ibaraki 305-0051
2 HOSHINO, Yorihisa 11-3-702, Umezono 2-chome, Tsukuba-shi, Ibaraki 305-0045
3 SOEJIMA, Motohiro I-102, 8-7, Amakubo 4-chome, Tsukuba-shi, Ibaraki 305-0005
4 KIKUCHI, Koichi 3628-95, Kandatsu-cho, Tsuchiura-shi, Ibaraki 300-0013
5 YOSHIUCHI, Tatsuya 1089, Oaza-Moriyakou, Moriya-shi, Ibaraki 302-0115
6 SHIN, Kogyoku 9-7-409, Inarimae, Tsukuba-shi, Ibaraki 305-0061
7 ONO, Mutsuko B-109, 30-1, Minami 2-chome, Ushiku-shi, Ibaraki 300-1222
8 TAKAHASHI, Yoshinori 9-7-310, Inarimae, Tsukuba-shi, Ibaraki 305-0061
9 SHIBATA, Hisashi 30-30, Kamikashiwada 1-chome, Ushiku-shi, Ibaraki 300-1232
10 INO, Mitsuhiro 3-6-303, Chuo 5-chome, Ushiku-shi, Ibaraki 300-1234
11 HIRAKAWA, Tetsuya I-101, 10-19, Ninomiya 1-chome, Tsukuba-shi, Ibaraki 305-0051
PCT International Classification Number C07D 471/04
PCT International Application Number PCT/JP2002/004173
PCT International Filing date 2002-04-25
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 P2001-133207 2001-04-27 Japan