| 摘要 |
PROBLEM TO BE SOLVED: To provide a process for producing an optically active ortho-substituted mandelic acid compound by asymmetrically reduction. SOLUTION: The process for producing the optically active ortho-substituted mandelic acid compound, includes contacting an ortho-substituted phenylglyoxalic acid with a microorganism selected from the following microorganism group or its treated product and capable of reducing the ortho-substituted phenylglyoxalic acid compound into the optically active ortho-substituted mandelic acid compound or a treatment product of the microorganism. The microorganism group consists of Aquaspirillum, Xanthomonas, Curtobacterium, Flavobacterium, Sphingomonas, and Stenotrophomonas. COPYRIGHT: (C)2009,JPO&INPIT
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