Process for asymmetric hydrogenation
    1.
    发明授权
    Process for asymmetric hydrogenation 有权
    不对称氢化方法

    公开(公告)号:US06211386B1

    公开(公告)日:2001-04-03

    申请号:US09526976

    申请日:2000-03-14

    IPC分类号: C07D30930

    CPC分类号: C07D309/32

    摘要: The present invention is a process for the preparation of a compound of the formula: where R3, R4 and n are defined in the specification which comprises hydrogenating a compound of the formula: the E-geometrical isomer thereof or a mixture of the Z- and E-isomers in the presence of catalyst containing Rh, a chiral ligand with at least one phosphorous atom where the hydrogenation is conducted in the presence of a base.

    摘要翻译: 本发明是制备下式化合物的方法:其中R3,R4和n在本说明书中定义,其中包括氢化下式化合物:其几何异构体或Z-和 在含有Rh的催化剂存在下的E-异构体,具有至少一个磷原子的手性配体,其中在碱的存在下进行氢化。