Processes for solifenacin preparation
    33.
    发明申请
    Processes for solifenacin preparation 审中-公开
    索非那新制备方法

    公开(公告)号:US20090099365A1

    公开(公告)日:2009-04-16

    申请号:US12218401

    申请日:2008-07-14

    CPC classification number: C07D453/02

    Abstract: Processes for preparing solifenacin comprising distilling ethanol and organic solvent from a reaction mixture and recycling the organic solvent are described. Also described are processes for reducing solifenacin diastereomeric and enantiomeric impurities.

    Abstract translation: 描述了制备索非那新的方法,其包括从反应混合物中蒸馏出乙醇和有机溶剂并回收有机溶剂。 还描述了降低索非那新非对映体和对映异构体杂质的方法。

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