Method for the production of statins
    2.
    发明申请
    Method for the production of statins 审中-公开
    他汀类药物的生产方法

    公开(公告)号:US20070093660A1

    公开(公告)日:2007-04-26

    申请号:US10578706

    申请日:2004-11-09

    IPC分类号: C07D405/02 C07D239/02

    CPC分类号: C07D309/30 Y02P20/55

    摘要: According to the invention, a process for the preparation of a statin is provided, comprising the following steps: a) preparation of a compound of the formula II in which S1 denotes a hydrogen atom or a hydroxylprotective group, S2 and S3, independently of one another, denote hydroxylprotective groups and R1 represents a hydrogen atom or a carboxylprotective group, by stereoselective hydrogenation of a compound of the formula III to give a compound of the formula II-a and optionally introduction of a hydroxylprotective group and b) lactonization of the compound of the formula II to give a compound of the formula I-a

    摘要翻译: 根据本发明,提供了一种制备他汀类药物的方法,包括以下步骤:a)制备式II化合物,其中S 1至O 1表示氢原子或羟基保护基团 S 2和S 3彼此独立地表示羟基保护基,R 1表示氢原子或羧基保护基,通过立体选择性 氢化式III化合物,得到式II-a的化合物和任选地引入羟基保护基团,和b)式II化合物的内酯化,得到式Ia化合物