发明名称 |
Process for the preparation of Efavirenz |
摘要 |
A simple, cost-effective process for preparation of efavirenz of formula (I) comprising reacting a solution of 5-chloro-alpha-(cyclopropylethynyl)-2-amino-alpha-trifluoromethyl) benzene methanol of formula (II) in an organic solvent with triphosgene in the presence of an inorganic base at a temperature range -5� C. to 25� C., adding water and isolating compound of formula (I). |
申请公布号 |
US8604189(B2) |
申请公布日期 |
2013.12.10 |
申请号 |
US20090995209 |
申请日期 |
2009.05.27 |
申请人 |
GURJAR MUKUND KESHAV;DESHMUKH ABDULRAKHEEB ABDULSUBHAN;DESHMUKH SANJAY SHANKAR;MEHTA SATISH RAMANIAL;EMCURE PHARMACEUTICALS LIMITED |
发明人 |
GURJAR MUKUND KESHAV;DESHMUKH ABDULRAKHEEB ABDULSUBHAN;DESHMUKH SANJAY SHANKAR;MEHTA SATISH RAMANIAL |
分类号 |
C07D265/18 |
主分类号 |
C07D265/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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