发明名称 RILPIVIRINE HYDROCHLORIDE
摘要 The present invention provides a novel process for the preparation of rilpivirine. The present invention also provides a novel process for the preparation of rilpivirine hydrochloride. The present invention further provides a rilpivirine hydrochloride monohydrate, process for its preparation and pharmaceutical compositions comprising it.
申请公布号 US2014350038(A1) 申请公布日期 2014.11.27
申请号 US201214344791 申请日期 2012.09.10
申请人 HETERO RESEARCH FOUNDATION 发明人 Reddy Bandi Parthasaradhi;Reddy Kura Rathnakar;Reddy Dasari Muralidhara;Reddy Adulla Venkat Narsimha;Krishna Bandi Vamsi
分类号 C07D239/48 主分类号 C07D239/48
代理机构 代理人
主权项 1. A process for the preparation of rilpivirine, which comprises: a) condensing the (E)-3-(4-amino-3,5-dimethylphenyl)acrylonitrile hydrochloride with 4-(4-chloropyrimidin-2-ylamino)benzonitrile in the presence of N-methylpyrrolidone; b) heating the contents obtained in step (a) at about 75 to 95° C. to obtain a solution; c) cooling the solution obtained in step (b) at below 35° C.; d) adding water to the reaction mass; and e) isolating rilpivirine.
地址 HYDERABAD IN