Title of Invention | PROCESS FOR PREPARING CYANOACETIC ESTERS |
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Abstract | The present invention relates to a process for preparing cyanoacetic ester of the general formula: in which R is C<sub>1</sub>-<sub>10</sub>-alkyl, C<sub>3</sub>-<sub>10</sub>-alkenyl or ary-C<sub>1</sub>-<sub>4</sub>-alkyl, characterized in that an alkali metal cyanoacetate is reacted in an aqueous/organic two-phase system in the presence of a phase-transfer catalyst with a halide of formula R-X (II), in which R is as defined , above and X is chlorine, bromine or iodine. |
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0018-mas-2000 abstract-duplicate.pdf
0018-mas-2000 claims-duplicate.pdf
0018-mas-2000 correspondences others.pdf
0018-mas-2000 correspondences po.pdf
0018-mas-2000 descripition(completed)-duplicate.pdf
0018-mas-2000 descripition(completed).pdf
Patent Number | 214475 | |||||||||
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Indian Patent Application Number | 18/MAS/2000 | |||||||||
PG Journal Number | 13/2008 | |||||||||
Publication Date | 31-Mar-2008 | |||||||||
Grant Date | 12-Feb-2008 | |||||||||
Date of Filing | 10-Jan-2000 | |||||||||
Name of Patentee | LONZA LTD | |||||||||
Applicant Address | MUNCHENSTEINERSTRASSE 38, CH 4002 BASEL, | |||||||||
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PCT International Classification Number | C07C 255/19 | |||||||||
PCT International Application Number | N/A | |||||||||
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PCT Conventions:
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