发明名称 Herbicidal bipyridylium salts - the products being herbicides
摘要 <p>-4,4'-bipyridylium salts (I) in which each of the substituents contains up to 10 carbon atoms are prepared by the reaction of a N-substd. pyridinium salt (II) with a cyanide (III) in a basic medium followed by oxidation of the intermediate obtained.</p>
申请公布号 NL8003564(A) 申请公布日期 1980.09.30
申请号 NL19800003564 申请日期 1980.06.19
申请人 IMPERIAL CHEMICAL INDUSTRIES LTD. TE LONDEN. 发明人
分类号 C07D213/22;(IPC1-7):07D213/22 主分类号 C07D213/22
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