SYNTHESIS OF LEVOMETHADONE HYDROCHLORIDE OR DEXTROMETHADONE HYDROCHLORIDE AND METHODS FOR USE THEREOF
申请人:Cody Laboratories, Inc.
公开号:US20190002394A1
公开(公告)日:2019-01-03
Highly efficient methods for synthesis of levomethadone hydrochloride or dextromethadone hydrochloride are provided starting from D-alanine, or L-alanine, respectively, with retention of configuration. Methods for treating a subject are provided comprising administering a composition comprising an effective amount of levomethadone hydrochloride having not more than 10 ppm dextromethadone.
提供了高效的方法,从D-丙氨酸或L-丙氨酸开始合成左甲烷麻黄定盐酸盐或右甲烷麻黄定盐酸盐,保持构型。提供了治疗主体的方法,包括给予含有效量左甲烷麻黄定盐酸盐的组合物,其中右甲烷麻黄定盐酸盐的含量不超过10 ppm。