| 摘要 |
PCT No. PCT/US92/08168 Sec. 371 Date Mar. 29, 1994 Sec. 102(e) Date Mar. 29, 1994 PCT Filed Oct. 1, 1992A process for the preparation of a chiral alpha -hydroxylketone, or ester thereof, comprising hydrolyzing an ester of said alpha -hydroxyketone with an enzyme that has a specificity for one enantiomer, or by esterifying said alpha -hydroxyketone with an esterifying agent in the presence of an enzyme that favors one enantiomer.
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