Patent ID: 6965031

Claim:
A process for producing a compound represented by the following formula (IV): wherein R denotes a hydrogen atom, an alkyl group, or an aryl group, comprising reducing a compound selected from the group consisting of: a compound represented by the following formula (I): wherein R is as defined in the formula (IV); a compound represented by the following formula (II): wherein R is as defined in the formula (IV); and a compound represented by the following formula (III): wherein R is as defined in the formula (IV), by reacting the compound with microbial cells and/or a cell preparation of a microorganism capable of stereo-selectively reducing a keto group, wherein the microorganism is select from the group consisting of the genera Metschnikowia, Cryptococcus, Candida, Filobasidium, Ogataea, Citeromyces, Yarrowia, Rhodotorula, Exophiala, Trigonopsis, Shizosaccharomyces, Wickerhamiella, Pichia, Saccharomycopsis, Saitoella, Saccharomyces, Rhodosporidium, Acinetobacter, Brevibacterium, Cellulomonas, Corynebacterium , and genus Curtobacterium.