| 发明名称 |
5,6-DISUBSTITUTED-3-PYRIDYLMETHYL AMMONIUM HALIDE COMPOUNDS USEFUL FOR THE PREPARATION OF 5-(SUBSTITUTED METHYL) -2,3-PYRIDINEDICARBOXYLIC ACIDS |
| 摘要 |
81,786-00 5,6-DISUBSTITUTED-3-PYRIDYLMETHYL AMMONIUM HALIDE COMPOUNDS USEFUL FOR THE PREPARATION OF 5 (SUBSTITUTED METHYL)-2,3-PYRIDINEDICARBOXYLIC ACIDS There are provided 5,6-disubstituted-3-pyridylmethyl ammonium halide compounds, a method for the preparation thereof and the use thereof for the preparation of 5-(substituted methyl)-2,3-pyridinedi-carboxylic acids.
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| 申请公布号 |
CA2085802(A1) |
申请公布日期 |
1993.06.21 |
| 申请号 |
CA19922085802 |
申请日期 |
1992.12.18 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
STRONG, HENRY L. |
| 分类号 |
C07D417/06;C07D211/64;C07D213/00;C07D213/78;C07D213/80;C07D213/803;C07D217/00;C07D277/00;C07D401/06;C07D521/00;(IPC1-7):C07D213/80;C07D413/06 |
主分类号 |
C07D417/06 |
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代理人 |
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