发明名称 Process and intermediates for the manufacture of pyridine 2,3 dicarboxylate compounds
摘要 <p>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.</p>
申请公布号 EG22746(A) 申请公布日期 2003.07.30
申请号 EG19990000709 申请日期 1999.06.14
申请人 AMERICAN CYANAMID COMPANY 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
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