Process for preparing (+) - homopilopic acid

Details Process for preparing (+) - homopilopic acid Process for preparing (+) - homopilopic acid

C - Chemistry, Metallurgy

12

P

195/131

C12P 41/00 (2006.01) C12P 17/04 (2006.01)

Patent

CA 2030218

A process for preparing (+)-homopilopic acid and the salts thereof which comprises hydrolyzing a mixture of (+)-homopilopic acid ester of the general formula(I): Image wherein R1 denotes straight or branched C1-C10 hydrocarbon, and (-)-homopilopic acid ester of the general formula(II): Image wherein R2 denotes straight or branched C1-C10 hydrocarbon, in the presence of a microorganism belonging to the genus Arthrobacter, Aspergillus, Escherichia, Cunninghamella, Xanthomonas, Candida, Pseudomonas, Serratia, Cellulomonas, Nocardia, Bacillus, Brevibacterium, Flavobacterium, Mycobacterium, Rhizomucor, Rhodotorula or Rhodococcus, or an enzyme composition extracted or disrupted from these microorganisms. - 36 -

Divulgation d'un procédé de préparation de l'acide (+)-homopilopique et des sels correspondants, qui consiste en l'hydrolyse d'un mélange d'ester de l'acide (+)-homopilopique de la formule générale (I) : Image , dans laquelle R1 représente un hydrocarbure en C1-C10 à chaîne droite ou ramifiée et un ester de l'acide (-)-homopilopique de la formule générale (II) : Image , dans laquelle R2 représente un hydrocarbure en C1-C10 à chaîne droite ou ramifiée, en présence d'un microorganisme appartenant aux genres Arthrobacter, Aspergillus, Escherichia, Cunninghamella, Xanthomonas, Candida, Pseudomonas, Serratia, Cellulomonas, Nocardia, Bacillus, Brevibacterium, Flavobacterium, Mycobacterium, Rhizomucor, Rhodotorula ou Rhodococcus, ou d'une composition enzymatique extraite ou obtenue par rupture de ces microorganismes.

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