Process for the preparation of ketimines
    1.
    发明授权
    Process for the preparation of ketimines 失效
    酮亚胺的制备方法

    公开(公告)号:US06693218B1

    公开(公告)日:2004-02-17

    申请号:US10130199

    申请日:2002-09-20

    IPC分类号: C07C24902

    CPC分类号: C07C249/02 C07C251/20

    摘要: Described is a process for the preparation of compounds of formula (1a) which comprises reacting an isomeric mixture consisting of from 75 to 95% of compound of formula (2a) and from 5 to 25% of a compound of formula (2b) with methylamine, in a suitable solvent, to form a sertraline-imine isomeric mixture consisting of from 75 to 95% of formula (1a) and from 5 to 25% of formula (1b)(A1), or reacting an isomeric mixture consisting of from 75 to 95% of a compound of formula (2a) and from 5 to 25% of a compound of formula (2b) with methylamine, in a suitable solvent, using suitable methods of isolation to form an enriched sertraline-imine isomeric mixture, consisting of >99% of a compound of formula (1a) and

    摘要翻译: 描述了制备式(1a)化合物的方法,其包括将由75至95%的式(2a)化合物和5至25%的式(2b)化合物组成的异构体混合物与甲胺 在合适的溶剂中形成由75至95%的式(1a)和5至25%的式(1b)(A1)组成的舍曲林 - 亚胺异构体混合物,或将由75 至95%的式(2a)化合物和5至25%的式(2b)化合物与甲胺在合适的溶剂中,使用合适的分离方法形成富集的舍曲林 - 亚胺异构体混合物,其由 > 99%的式(1a)化合物和<1%式(1b)化合物(A2)的化合物; 然后根据反应路线(A1)或(A2)得到的舍曲林 - 亚胺异构体混合物在合适的溶剂中,按照式(Ⅰ)中式(Ⅰa)中R1,R2 和R 3各自独立地为氢,卤素,三氟甲基或C 1 -C 4烷氧基,式(1b),(2a​​)和(2b)如说明书中所定义。