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Title:
METHOD FOR PRODUCING CIS-4-CYANOCYCLOHEXANECARBOXYLIC ACID ESTER
Document Type and Number:
Japanese Patent JP2004331658
Kind Code:
A
Abstract:

To provide a method for simply producing a cis-4-cyanocyclohexanecarboxylic acid ester in a high yield from a cis-trans mixture of a 4-cyanocyclohexanecarboxylic acid ester.

This method for producing the cis-4-cyanocyclohexanecarboxylic acid ester expressed by general formula (II) (R1 is a lower alkoxy or the like; R2, R3, R4 and R5 are each H or the like; R6 is a lower alkyl or the like; and n is an integer of 0 to 2) comprises treating the cis-trans mixture of the ester compound expressed by formula (I) with a Broensted base in a solvent so as to crystallize the cis-4-cyanocyclohexanecarboxylic acid ester.


Inventors:
IMAI EIICHIRO
MORI SHINICHIRO
YANAGISAWA ARATA
NEZU TETSUYA
ANDO KYOJI
Application Number:
JP2004119941A
Publication Date:
November 25, 2004
Filing Date:
April 15, 2004
Export Citation:
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Assignee:
KYOWA HAKKO KOGYO KK
International Classes:
C07D319/18; C07B57/00; C07D321/10; (IPC1-7): C07D319/18; C07D321/10