Title of Invention

"BENZO [b] THIOPHENE DERIVATIVES AND PROCESSES FOR PREPARING THE SAME"

Abstract 3,4—Disubstituted-benzo[b]thiophene derivatives represented by the following formula (I): wherein, R1 represents a halogen atom, a trihalomethyl group, a C1-4 alkyl group or a C1-4 alkoxy group; and X represents a hydroxy group.
Full Text








WE CLAIM
1. 3, 4—Disubstituted-benzo[b]thiophene derivatives represented by the following formula
(I):
(Formula Removed)
wherein, R1 represents a halogen atom, a trihalomethyl group, a C1-4 alkyl group or a C1-4 alkoxy group; and X represents a hydroxy group.
2. The 3,4-Disubstituted-benzo [b] thiophene derivatives as claimed in claim 1, wherein R1
is a methyl group in the above formula (I).
3. A process for preparation of the compound as claimed in claim 1 comprising crystallizing
a mixture comprising the benzo[b] thiophene derivatives represented by the following
formula (II):
(Formula Removed)
wherein, R1 represents a halogen atom, a trihalomethyl group, a C1-4 alkyl group or a C1-4
alkoxy group,
and benzo[b] thiophene derivatives represented by the following formula (III):
(Formula Removed)
wherein, R2 represents a halogen atom, a trihalomethyl group, a C1-4 alkyl group or a C1-4 alkoxy group, in a solvent.

Documents:

IN-PCT-2001-01039-DEL-Abstract.pdf

IN-PCT-2001-01039-DEL-Claims.pdf

IN-PCT-2001-01039-DEL-Correspondence-others.pdf

IN-PCT-2001-01039-DEL-Correspondence-PO.pdf

IN-PCT-2001-01039-DEL-Description (Complete).pdf

IN-PCT-2001-01039-DEL-Form-1.pdf

IN-PCT-2001-01039-DEL-Form-13.pdf

IN-PCT-2001-01039-DEL-Form-18.pdf

IN-PCT-2001-01039-DEL-Form-2.pdf

IN-PCT-2001-01039-DEL-Form-3.pdf

IN-PCT-2001-01039-DEL-Form-5.pdf

IN-PCT-2001-01039-DEL-GPA.pdf

IN-PCT-2002-01039-DEL-Claims-(16-05-2011).pdf

IN-PCT-2002-01039-DEL-Correspondence-Others(16-05-2011).pdf

IN-PCT-2002-1039-DEL-Abstract-(12-05-2010).pdf

IN-PCT-2002-1039-DEL-Claims -(12-05-2010).pdf

IN-PCT-2002-1039-DEL-Correspondence Others-(01-04-2011).pdf

IN-PCT-2002-1039-DEL-Correspondence Others-(30-03-2011).pdf

IN-PCT-2002-1039-DEL-Correspondence-Others-(12-05-2010).pdf

IN-PCT-2002-1039-DEL-Form-2 -(12-05-2010).pdf

IN-PCT-2002-1039-DEL-Form-3-(12-05-2010).pdf

IN-PCT-2002-1039-DEL-GPA-(12-05-2010).pdf

IN-PCT-2002-1039-DEL-Petition 137-(12-05-2010).pdf


Patent Number 248807
Indian Patent Application Number IN/PCT/2002/01039/DEL
PG Journal Number 35/2011
Publication Date 02-Sep-2011
Grant Date 26-Aug-2011
Date of Filing 18-Oct-2002
Name of Patentee TEIJIN LIMITED
Applicant Address 6-7, MINAMIHOMMACHI 1-CHOME, CHUO-KU, OSAKA-SHI, OSAKA 541-0054, JAPAN.
Inventors:
# Inventor's Name Inventor's Address
1 HIROSHI SAITOH; NAOKI TSUCHIYA; TSUYOSHI MIZUNO; TOMOHIDE IDA AND YOSHIYUKI SAWAI C/O TEIJIN LIMITED, TOKYO RESEARCH CENTER, 3-2, ASAHIGAOKA 4-CHOME, HINO-SHI, TOKYO 191-0065, JAPAN.
PCT International Classification Number C07D 333/56
PCT International Application Number PCT/JP02/01611
PCT International Filing date 2002-02-22
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 2001-135927 2001-05-07 Japan
2 2001-046275 2001-02-22 Japan