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 |
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代理人 |
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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 |