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Document Type and Number:
Japanese Patent JPS4970950
Kind Code:
A
Abstract:
A process for preparing trans-chrysanthemic acid which comprises reacting a mixture of alkyl trans-chrysanthemate and alkyl cis-chrysanthemate with an equimolar amount or less of an alkali with respect to the trans-isomer in the presence of water or an alcohol to hydrolyze the trans-isomer predominantly and separating the hydrolyzed trans-isomer from the unreacted cis-isomer.

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Application Number:
JP11363472A
Publication Date:
July 09, 1974
Filing Date:
November 13, 1972
Export Citation:
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International Classes:
B01J23/00; C07C61/37; B01J31/00; C07B61/00; C07C51/00; C07C51/487; C07C61/04; C07C67/00; (IPC1-7): C07C61/16



 
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