A process for the preparation of an enantiomerically pure tertiary &bgr;-hydroxycarboxylic acid or its ester, wherein an enantiomer mixture of compounds is brought into contact with an enzyme, which is capable of the hydrolytic cleavage of an ester bond, in an aqueous medium such that one enantiomer of the enantiomer mixture is hydrolyzed.
一种制备对映体纯度较高的叔羟基
羧酸或其酯的工艺,在该工艺中,化合物的对映体混合物在
水介质中与一种能
水解裂解酯键的酶接触,从而使对映体混合物中的一种对映体
水解。