申请人:Samsung Fine Chemicals Co., Ltd.
公开号:US06342034B1
公开(公告)日:2002-01-29
A process for the preparation of L-carnitine using (S)-3-activated hydroxybutyrolactone as a raw material, which is subject to a ring-opening reaction, expoxydation where the chiral center is inversely converted, and nucleophilic substitution of trimethylamine.
使用(S)-3-活化羟丁酸内酯作为原料制备L-肉碱的过程,该过程经历了环开启反应、环氧化反应(手性中心被反向转化)、三甲胺的亲核取代。