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    • 8. 发明公开
    • 트랜스체 염산 트라마돌의 분리 제조방법
    • 分离环烷醇取代的苯酚类化合物的转化异构体的新方法
    • KR1020010038004A
    • 2001-05-15
    • KR1019990045799
    • 1999-10-21
    • 한올바이오파마주식회사
    • 한만영김순일
    • C07C225/00
    • PURPOSE: Provided is a new method for separating trans isomers from crude 2-dimethylaminomethyl-1-(3-methoxyphenyl)cyclohexanone hydrochloride, which is a cycloalkanol-substituted phenol ether analgesic agent, by using ethanol and dioxane or DMF and acetone. CONSTITUTION: The method comprises the steps of: preparing 2-dimethylaminomethyl cyclohexanone by reacting dimethylamine hydrochloride, cyclohexanone, and parsformaldehyde; preparing crude 2-dimethylaminomethyl-1-(3-methoxyphenyl)cyclohexanone (crude tramadol) from the 2-dimethylaminomethyl cyclohexanone; preparing the crude 2-dimethylaminomethyl -1-(3-methoxyphenyl)cyclohexanone hydrochloride (crude tramadol hydrochloride) by applying HCl gas to the crude tramadol; separating the trans isomers from cis isomers by dissolving the crude tramadol hydrochloride having cis and trans isomers in the DMF or the ethanol and adding the acetone or the dioxane and cooling and then filtering.
    • 目的:提供一种通过使用乙醇和二恶烷或DMF和丙酮分离反式异构体与粗制的2-二甲基氨基甲基-1-(3-甲氧基苯基)环己酮盐酸盐(其为环烷醇取代的苯酚醚镇痛剂)的新方法。 方法:该方法包括以下步骤:通过二甲胺盐酸盐,环己酮和仲甲醛反应制备2-二甲基氨基甲基环己酮; 从2-二甲基氨基甲基环己酮制备粗2-二甲氨基甲基-1-(3-甲氧基苯基)环己酮(粗曲马多) 通过向粗制曲马多施加HCl气体来制备粗2-二甲基氨基甲基-1-(3-甲氧基苯基)环己酮盐酸盐(粗曲马多盐酸盐) 通过将具有顺式和反式异构体的粗制曲马多盐酸盐溶解在DMF或乙醇中并加入丙酮或二恶烷并冷却然后过滤,将反式异构体与顺式异构体分离。