Invention Grant
US08168789B2 Organic amine salt of 6-fluoro-3-hydroxy-2-pyrazinecarbonitrile and method for producing the same
有权
6-氟-3-羟基-2-吡嗪腈的有机胺盐及其制备方法
- Patent Title: Organic amine salt of 6-fluoro-3-hydroxy-2-pyrazinecarbonitrile and method for producing the same
- Patent Title (中): 6-氟-3-羟基-2-吡嗪腈的有机胺盐及其制备方法
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Application No.: US12679496Application Date: 2008-09-25
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Publication No.: US08168789B2Publication Date: 2012-05-01
- Inventor: Tamotsu Takamatsu , Kenji Yonezawa
- Applicant: Tamotsu Takamatsu , Kenji Yonezawa
- Applicant Address: JP Tokyo
- Assignee: Toyama Chemical Co., Ltd.
- Current Assignee: Toyama Chemical Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-251191 20070927
- International Application: PCT/JP2008/067251 WO 20080925
- International Announcement: WO2009/041473 WO 20090402
- Main IPC: C07D241/02
- IPC: C07D241/02
Abstract:
Disclosed is an organic amine salt of 6-fluoro-3-hydroxy-2-pyrazinecarbonitrile, which is excellent in crystallinity and useful as a production intermediate for 6-fluoro-3-hydroxy-2-pyrazinecarboxamide.
Public/Granted literature
- US20100286394A1 ORGANIC AMINE SALT OF 6-FLUORO-3-HYDROXY-2-PYRAZINECARBONITRILE AND METHOD FOR PRODUCING THE SAME Public/Granted day:2010-11-11
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