发明名称 Process for the preparation of Ä(5,6-dicarboxy-3-pyridyl) methylÜ
摘要 <p>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.</p>
申请公布号 IN183352(B) 申请公布日期 1999.11.27
申请号 IN1085CA1997 申请日期 1997.06.09
申请人 AMERICAN CYANAMID COMPANY 发明人 WU WE-XUE
分类号 C07D213/803;A01N43/50;A61K31/4425;A61K31/4427;C07D213/38;C07D213/80;C07D213/807;C07D215/32;C07D401/04;(IPC1-7):C07D213/04 主分类号 C07D213/803
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