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 |
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分类号 |
C07D213/22;(IPC1-7):07D213/22 |
主分类号 |
C07D213/22 |
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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