process for the production of optically active 2 - 5 - substituierter oxazolidinone from racemischen epoxide and cyanate, using a halohydrin - dehalogenase

摘要

A process for the production of an optically enriched oxazolidinone of the formula (2a) or (2b), by reacting an epoxide of the formula (1) with cyanate in the presence of halo-hydrin dehalogenase.