Method for producing optically active 1,2-diols by microorganism culturing
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United States of America Patent
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Jul 24, 2007
Grant Date -
Jan 26, 2006
app pub date -
Apr 29, 2005
filing date -
Apr 30, 2004
priority date (Note) -
Expired
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Abstract
A method for producing an optically active compound comprising:a first step of culturing a microorganism capable of assimilating either the R-isomer or the S-isomer of a compound represented by Formula (1): ##STR00001## wherein R is a methyl, ethyl, propyl, chloromethyl, or hydroxyethyl group, in a culture medium whose Ca.sup.2+ concentration at the beginning of culturing is controlled and which contains a racemic mixture of the compound as a carbon source; and a second step of recovering the optically active compound remaining in the culture broth.
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