Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yuichiro Yamazaki0
Hiroyuki Matsuda0
Kenya Ishida0
Makoto Harada0
Date of Patent
June 21, 2011
0Patent Application Number
119920670
Date Filed
September 8, 2006
0Patent Primary Examiner
Patent abstract
A simplified production method of stereoisomer of theaspiran having high optical purity has been desired. An alcohol compound having a specific skeleton is enantioselectively esterified with an enzyme, or an ester compound having a specific skeleton is enantioselectively hydrolyzed with an enzyme. The resultant optically active ester or optically active alcohol is used. Thus, optically active theaspiran having a desired configuration and having a high optical purity is obtained in a satisfactory yield.
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