Preparation of crude candesartan cilexetil
    8.
    发明申请
    Preparation of crude candesartan cilexetil 审中-公开
    粗制坎地沙坦碳酸酯的制备

    公开(公告)号:US20060194858A1

    公开(公告)日:2006-08-31

    申请号:US11333875

    申请日:2006-01-17

    IPC分类号: A61K31/4184 C07D403/02

    CPC分类号: C07D403/10

    摘要: A process for preparing candesartan cilexetil comprising heating a solution of trityl candesartan cilexetil in a water immiscible solvent in the presence of at least one C1-C4 alcohol and a first portion of water; combining the solution with a second portion of water to obtain a two-phase system; and recovering candesartan cilexetil.

    摘要翻译: 一种制备坎地沙坦酯的方法,其包括在至少一种C 1 -C 4醇存在下,在水不混溶溶剂中加热三苯甲基坎地沙坦酯的溶液,第一部分 的水; 将溶液与第二部分水组合以获得两相系统; 并恢复坎地沙坦cilexetil。