JPS57152894A - Preparation of optically active carboxylic acid ester and optically active carboxylic acid - Google Patents
Preparation of optically active carboxylic acid ester and optically active carboxylic acidInfo
- Publication number
- JPS57152894A JPS57152894A JP3725781A JP3725781A JPS57152894A JP S57152894 A JPS57152894 A JP S57152894A JP 3725781 A JP3725781 A JP 3725781A JP 3725781 A JP3725781 A JP 3725781A JP S57152894 A JPS57152894 A JP S57152894A
- Authority
- JP
- Japan
- Prior art keywords
- carboxylic acid
- optically active
- acid ester
- active carboxylic
- preparation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
PURPOSE: To prepare an optically active caboxylic acid ester and an optically active carboxylic acid from an dl-carboxylic acid ester, biochemically, by using an esterase produced by microorganisms.
CONSTITUTION: A dl-carboxylic acid ester of formula R1-COOR2[R1 is 2,5- cycloheptadienyl, 2-(1-butenyl)-3-cyclopentenyl, or 2-vinylcyclopropyl; R2 is lower alkyl]is treated, preferably at 25W40°C and about 7 pH, with the cultivation product or its treated product of microorganisms capable of producing an esterase which hydrolyzes only one of the d- or l-isomer of the dl-carboxylic acid ester. Only one of the d- or l-isomer is hydrolyzed by this process.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3725781A JPS57152894A (en) | 1981-03-17 | 1981-03-17 | Preparation of optically active carboxylic acid ester and optically active carboxylic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3725781A JPS57152894A (en) | 1981-03-17 | 1981-03-17 | Preparation of optically active carboxylic acid ester and optically active carboxylic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57152894A true JPS57152894A (en) | 1982-09-21 |
Family
ID=12492591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3725781A Pending JPS57152894A (en) | 1981-03-17 | 1981-03-17 | Preparation of optically active carboxylic acid ester and optically active carboxylic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57152894A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0130752A2 (en) * | 1983-07-04 | 1985-01-09 | Mitsubishi Rayon Co., Ltd. | Process for preparing optically active carboxylic acids and antipode esters thereof |
WO2002018560A3 (en) * | 2000-08-31 | 2002-10-31 | Basf Ag | Butinol i esterase |
-
1981
- 1981-03-17 JP JP3725781A patent/JPS57152894A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0130752A2 (en) * | 1983-07-04 | 1985-01-09 | Mitsubishi Rayon Co., Ltd. | Process for preparing optically active carboxylic acids and antipode esters thereof |
WO2002018560A3 (en) * | 2000-08-31 | 2002-10-31 | Basf Ag | Butinol i esterase |
AU2001284047B2 (en) * | 2000-08-31 | 2007-03-29 | Basf Aktiengesellschaft | Butinol I esterase |
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