发明申请
- 专利标题： PROCESS FOR PREPARATION OF IRBESARTAN
- 专利标题（中）： 制备IRBESARTAN的方法
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申请号： US12683713申请日： 2010-01-07
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公开(公告)号： US20100113798A1公开(公告)日： 2010-05-06
- 发明人: Pandurang Balwant Deshpande , Parven Kumar Luthra , Dhiraj Mohansinh Rathod , Hitesh Kantilal Patel , Pinky Tarak Parikh
- 申请人： Pandurang Balwant Deshpande , Parven Kumar Luthra , Dhiraj Mohansinh Rathod , Hitesh Kantilal Patel , Pinky Tarak Parikh
- 申请人地址： IN Vadodara
- 专利权人： ALEMBIC LIMITED
- 当前专利权人： ALEMBIC LIMITED
- 当前专利权人地址： IN Vadodara
- 优先权： IN1360/MUM/2005 20051028
- 主分类号： C07D257/04
- IPC分类号： C07D257/04
摘要：
A process for the preparation of Irbesartan of formula (I) using the step of, reacting biphenyl derivative of formula (VIa) wherein R represents a group selected from —CONH2 or compound of formula wherein X represents H or C1-4 alkyl, preferably methyl; or any other such group which can be converted to cyano group, with 1-veleramido cyclopentane carboxylic acid of formula (V) in the presence of an acid in an organic solvent to give biphenyl derivative of formula (VIIa) wherein R has the same meaning as mentioned hereinabove.
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