| 发明名称 |
Process for the preparation of {(5,6-dicarboxy-3-pyridyl) methyl} ammonium halides |
| 摘要 |
There is provided a process for the preparation of Ä(5,6-dicarboxy-3-pyridyl)methylÜammonium halides having the structural formula I <CHEM> The Ä(5,6-dicarboxy-3-pyridyl)methylÜammonium halides are useful as intermediates in the preparation of herbicidal 5-(alkoxymethyl)-2-(2-imidazolin-2-yl)nicotinic acids, esters and salts. |
| 申请公布号 |
AU2475897(A) |
申请公布日期 |
1997.12.18 |
| 申请号 |
AU19970024758 |
申请日期 |
1997.06.06 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
WEN-XUE WU |
| 分类号 |
C07D213/803;A01N43/50;A61K31/4425;A61K31/4427;C07D213/38;C07D213/80;C07D213/807;C07D215/32;C07D401/04 |
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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