申请人:Kay Fries, Inc.
公开号:US04322548A1
公开(公告)日:1982-03-30
Process for the optical resolution of racemic mandelic acid which process comprises contacting said racemic mandelic acid with a phenylglycine ester or a phenylglycine ester hydrochloride in a reaction medium, and recovering the D(-)-mandelic acid and L(+)-mandelic acid form; certain D(-) and L(+)-phenylglycine esters and hydrochlorides are provided as novel resolution agents.
将光学分辨苯甘氨酸酯或苯甘氨酸酯盐酸盐与混合的苯甘氨酸酸接触在反应介质中,并回收D(-)-苹果酸和L(+)-苹果酸形式;某些D(-)和L(+)-苯甘氨酸酯和盐酸盐被提供作为新颖的分辨剂。