Manufacturing process for tiotropium bromide
    2.
    发明申请
    Manufacturing process for tiotropium bromide 失效
    噻托溴铵的制造工艺

    公开(公告)号:US20120123125A1

    公开(公告)日:2012-05-17

    申请号:US13200975

    申请日:2011-10-06

    申请人: Milan SOUKUP

    发明人: Milan SOUKUP

    IPC分类号: C07D491/08 C07D409/14

    CPC分类号: C07D409/14 C07D491/08

    摘要: The present invention relates to a novel manufacturing process of pharmaceutically active compound of formula I used as a long-acting anticholinergic bronchodilator. Starting from oxalic acid derivative of formula III the invention describes preparation of a novel cyclic anhydride of formula II which is very efficient precursor in the synthesis of Tiotropium bromide (compound of formula I).

    摘要翻译: 本发明涉及用作长效抗胆碱能支气管扩张剂的式I的药学活性化合物的新型制造方法。 从式III的草酸衍生物开始,本发明描述了制备式II的新型环状酸酐,其在合成噻托溴铵(式I化合物)中是非常有效的前体。