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Title:
PROCESS FOR PRODUCTION OF 2-CYANO-3-HYDROXY-N-(4-TRI- FLUOROMETHYLPHENYL)HEPT-2-EN-6-YNAMIDE AND PROCESS FOR PRODUCTION OF POLYMORPHS THEREOF
Document Type and Number:
WIPO Patent Application WO/2004/085383
Kind Code:
A1
Abstract:
Compound (I) is produced by reacting compound (II) with compound (III) or a reactive derivative thereof obtained by modification of the carboxyl group to form compound (IV) and reacting the compound (IV) with a mixed acid anhydride of compound (V). A-, B-, and C-form crystals of compound (I) can be each selectively produced by recrystallizing compound (I) under the conditions of controlled recrystallization temperature and/or controlled recrystallization (precipitation) time.

Inventors:
OMORI HIROKI (JP)
KUBOTA ARIYOSHI (JP)
KAWAKAMI TAKESHI (JP)
FUJII YOSUKE (JP)
MATSUMOTO IKUO (JP)
KITAYAMA MASATO (JP)
GOTO SHUNSUKE (JP)
HIRABAYASHI SATOSHI (JP)
Application Number:
PCT/JP2004/003904
Publication Date:
October 07, 2004
Filing Date:
March 23, 2004
Export Citation:
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Assignee:
FUJISAWA PHARMACEUTICAL CO (JP)
OMORI HIROKI (JP)
KUBOTA ARIYOSHI (JP)
KAWAKAMI TAKESHI (JP)
FUJII YOSUKE (JP)
MATSUMOTO IKUO (JP)
KITAYAMA MASATO (JP)
GOTO SHUNSUKE (JP)
HIRABAYASHI SATOSHI (JP)
International Classes:
C07C253/30; C07C253/34; C07C255/23; (IPC1-7): C07C255/23; C07C253/30; C07C253/34
Foreign References:
JPH10101636A1998-04-21
JPH05310672A1993-11-22
Attorney, Agent or Firm:
Nogawa, Shintaro (Nishitenma 5-chome Kita-ku, Osaka-sh, Osaka 47, JP)
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