申请人:Cody Laboratories, Inc.
公开号:US20150166555A1
公开(公告)日:2015-06-18
Synthetic methods are provided for preparation of oxycodone and salts thereof with an improved impurity profile. Thebaine is converted to 14-hydroxycodeinone sulfate intermediate to minimize a 7,8-dihydro-8,14-dihydroxycodeinone impurity. Efficient methods for conversion of oxycodone base to oxycodone hydrochloride are provided to minimize 14-hydroxycodeinone impurity in the final product.
提供了合成方法,用于制备氧可酮及其盐,具有改善的杂质特性。利用吗啡酸酯转化为14-羟基可待因酮硫酸盐中间体,以减少7,8-二氢-8,14-二羟基可待因酮的杂质。提供了高效的氧可酮碱转化为氧可酮盐酸盐的方法,以在最终产品中减少14-羟基可待因酮的杂质。