发明名称 |
Process and intermediated for the manufacture of pyridine-2, 3-dicarboxylate compounds |
摘要 |
The present invention provides a process to prepare a pyridine-2,3-dicarboxylate derivative via the reaction of a dailkyl 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.
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申请公布号 |
US5925764(A) |
申请公布日期 |
1999.07.20 |
申请号 |
US19980097871 |
申请日期 |
1998.06.15 |
申请人 |
WU, WEN-XUE |
发明人 |
WU, WEN-XUE |
分类号 |
C07D213/803;C07C69/52;C07C229/30;C07C323/58;C07D213/00;C07D213/79;C07D213/80;C07D401/04;(IPC1-7):C07D213/803 |
主分类号 |
C07D213/803 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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