发明公开
EP0965589A1 Process and intermediates for the manufacture of pyridine-2,3-dicarboxylate compounds
有权
方法和中间体2,3- Pyridindicarboxylatderivaten的制备
- 专利标题： Process and intermediates for the manufacture of pyridine-2,3-dicarboxylate compounds
- 专利标题（中）： 方法和中间体2,3- Pyridindicarboxylatderivaten的制备
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申请号： EP99304198.7申请日： 1999-05-28
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公开(公告)号： EP0965589A1公开(公告)日： 1999-12-22
- 发明人: Wu, Wen-Xue
- 申请人： American Cyanamid Company
- 申请人地址： Five Giralda Farms Madison, New Jersey 07940-0874 US
- 专利权人： American Cyanamid Company
- 当前专利权人： American Cyanamid Company
- 当前专利权人地址： Five Giralda Farms Madison, New Jersey 07940-0874 US
- 代理机构： Wileman, David Francis, Dr.
- 优先权： US97871 19980615
- 主分类号： C07D213/803
- IPC分类号： C07D213/803 ; C07C229/30 ; C07D401/04
摘要：
The present invention provides a process to prepare a pyridine-2,3-dicarboxylate derivative via the reaction of a dialkyl alkoxy(or alkylthio)oxalacetate with an appropriately substituted acrolein compound in the presence of an ammonia source and a solvent.
The present invention also provides useful intermediate compounds of formula IV.
The present invention also provides useful intermediate compounds of formula IV.
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