发明授权
US07880005B2 Process for producing 5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid
失效
5-甲基-4,5,6,7-四氢噻唑并[5,4-c]吡啶-2-甲酸的制备方法
![Process for producing 5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid](/docs/US/2011-02-01/US07880005B2/abs.jpg.600x600.jpg)
- 专利标题： Process for producing 5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid
- 专利标题（中）： 5-甲基-4,5,6,7-四氢噻唑并[5,4-c]吡啶-2-甲酸的制备方法
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申请号： US12631002申请日： 2009-12-04
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公开(公告)号： US07880005B2公开(公告)日： 2011-02-01
- 发明人: Hiroshi Nagasawa , Koji Sato , Tsutomu Yagi , Yasuo Kitani
- 申请人： Hiroshi Nagasawa , Koji Sato , Tsutomu Yagi , Yasuo Kitani
- 申请人地址： JP Tokyo
- 专利权人： Daiichi Sankyo Company, Limited
- 当前专利权人： Daiichi Sankyo Company, Limited
- 当前专利权人地址： JP Tokyo
- 代理机构： Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权： JP2003-382382 20031112; JP2003-382383 20031112; JP2003-382384 20031112
- 主分类号： C07D513/04
- IPC分类号： C07D513/04
![Process for producing 5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine-2-carboxylic acid](/abs-image/US/2011/02/01/US07880005B2/abs.jpg.150x150.jpg)
摘要：
5-Methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine of formula (6) or a salt thereof, is prepared by reacting 2-amino-5-methyl-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridine of formula (2) or a salt thereof, with an alkali metal nitrite in the presence of a reducing agent in an aqueous solution of an acidic compound.
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