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公开(公告)号:US20140142309A1
公开(公告)日:2014-05-22
申请号:US13860262
申请日:2013-04-10
发明人: Dattatray B. PATIL , Killol Patel , Ashok Prasad , Mohan Prasad
IPC分类号: C07D471/14
CPC分类号: C07D471/14 , C07D471/04 , C07D471/12
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。