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公开(公告)号:US20060258865A1
公开(公告)日:2006-11-16
申请号:US11492246
申请日:2006-07-25
申请人: Pandurang Deshpande , Bharat Boda , Sachin Surti , Pranay Shah
发明人: Pandurang Deshpande , Bharat Boda , Sachin Surti , Pranay Shah
IPC分类号: C07D487/14
CPC分类号: C07D471/04
摘要: The present invention relates an improved process for the preparation of tetrahydro-β-carboline derivative of formula (V) which is useful as an intermediate for the preparation of Tadalafil of formula (I). Moreover, the present invention relates to the process for the preparation of Tadalafil of formula (I)
摘要翻译: 本发明涉及用于制备式(Ⅴ)的四氢-β-咔啉衍生物的改进方法,其可用作制备式(I)的他达拉非的中间体。 此外,本发明涉及制备式(I)的他达拉非的方法,