PROCESS FOR PREPARING (S)-PRAMIPEXOLE AND ITS INTERMEDIATES
    1.
    发明申请
    PROCESS FOR PREPARING (S)-PRAMIPEXOLE AND ITS INTERMEDIATES 审中-公开
    制备(PR) - PRAMIPEXOLELE及其中间体的方法

    公开(公告)号:WO2008041240A1

    公开(公告)日:2008-04-10

    申请号:PCT/IN2007/000017

    申请日:2007-01-11

    IPC分类号: C07D277/82

    CPC分类号: C07D277/82

    摘要: The present invention relates to an improved process for the preparation of (S)- 2,6-diamino-4,5,6,7-tetrahydrobenzothiazole of formula (II) useful in the preparation of pramipexole or (S)-2,6-amino-6-(n-propylamino)-4,5,6,7-tetrahydrobenzothiazole of formula (I) and its pharmaceutically acceptable salts or solvates thereof. The present invention further provides a process for the preparation of Pramipexole and its pharmaceutically acceptable salts, hydrates, solvates thereof.

    摘要翻译: 本发明涉及制备式(II)的(S)-2,6-二氨基-4,5,6,7-四氢苯并噻唑的改进方法,其用于制备普拉克索或(S)-2,6 (I)的氨基-6-(正丙基氨基)-4,5,6,7-四氢苯并噻唑及其药学上可接受的盐或溶剂化物。 本发明还提供了制备普拉克索及其药学上可接受的盐,水合物,溶剂化物的方法。