Invention Grant
- Patent Title: Process for production of biphenyl derivative
- Patent Title (中): 联苯衍生物生产工艺
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Application No.: US13509817Application Date: 2010-09-24
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Publication No.: US08530506B2Publication Date: 2013-09-10
- Inventor: Masahiko Seki
- Applicant: Masahiko Seki
- Applicant Address: JP Osaka-shi
- Assignee: Mitsubishi Tanabe Pharma Corporation
- Current Assignee: Mitsubishi Tanabe Pharma Corporation
- Current Assignee Address: JP Osaka-shi
- Agency: Leydig, Voit & Mayer, Ltd.
- Priority: JP2009-262149 20091117; JP2010-143845 20100624
- International Application: PCT/JP2010/066596 WO 20100924
- International Announcement: WO2011/061996 WO 20110526
- Main IPC: A61K31/41
- IPC: A61K31/41 ; C07D249/00
Abstract:
The invention provides a production method of a biaryltetrazole derivative useful as an intermediate for an angiotensin II receptor antagonist.The method comprises reacting an aryltetrazole derivative with a benzene derivative, deprotecting or reducing the resulting compound and halogenating the deprotected or reduced compound.
Public/Granted literature
- US20120232283A1 PROCESS FOR PRODUCTION OF BIPHENYL DERIVATIVE Public/Granted day:2012-09-13
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