发明名称 PROCESS FOR PREPARING PYRIDINE CARBOXYLIC ACID ESTERS
摘要 A novel method is disclosed for the preparation of 2,3-pyridine-dicarboxylates by the reaction of a ketoester such as dimethyl oxalacetate with an .alpha.,.beta.-unsaturated aldehyde or ketone such as 2-ethylacrolein and at least 1 molar equivalent of ammonium salt in suitable solvent.
申请公布号 CA1331003(C) 申请公布日期 1994.07.26
申请号 CA19890592445 申请日期 1989.03.01
申请人 HOECHST CELANESE CORPORATION 发明人 GUPTON, B. FRANKLIN;REA, JAMES H.;MUELLER, WERNER H.;SAUKAITIS, JOHN
分类号 C07D213/80;(IPC1-7):C07D213/80 主分类号 C07D213/80
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