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.
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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 |
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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