PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF TADALAFIL
    1.
    发明申请
    PROCESS FOR THE PREPARATION OF AN INTERMEDIATE OF TADALAFIL 有权
    制备TADALAFIL中间体的方法

    公开(公告)号:US20140142309A1

    公开(公告)日:2014-05-22

    申请号:US13860262

    申请日:2013-04-10

    IPC分类号: C07D471/14

    摘要: The present invention relates to a process for the preparation of a cis-intermediate compound of Formula II which is a useful synthetic intermediate for the preparation of tadalafil of Formula I—a potent, selective, and reversible inhibitor of cyclic guanosine 3′,5′-monophosphate specific phosphodiesterase type 5 enzyme having phosphodiesterase inhibitory activity.

    摘要翻译: 本发明涉及一种制备式II的顺 - 中间体化合物的方法,其为制备式I的他达他必利的有用的合成中间体 - 一种有效的,选择性的和可逆的环鸟嘌呤3',5' 具有磷酸二酯酶抑制活性的单磷酸特异性磷酸二酯酶5型酶。