发明名称 |
PROCESS FOR PREPARING ACYL CYANIDES |
摘要 |
A novel process for the preparation of acyl cyanides of the general formula R-CO-CN (I) wherein R represents an optionally substituted alkyl radical with 1 to 8 carbon atoms, an optionally substituted cycloalkyl radical with 3 to 12 carbon atoms, an optionally substituted aryl radical or an optionally substituted 5-membered or 6-membered heterocyclic radical, which can additionally be fused to a benzene ring, in which a carboxylic acid fluoride or the general formula R-CO-F (II) in which R has the abovementioned meaning is reacted with an alkali metal cyanide, optionally in the presence of a diluent, at a temperature between 10 DEG and 200 DEG C. The acylcyanides (I) can be used as intermediates in the synthesis of known herbicides. |
申请公布号 |
EP0038987(B1) |
申请公布日期 |
1983.06.08 |
申请号 |
EP19810102795 |
申请日期 |
1981.04.11 |
申请人 |
BAYER AG |
发明人 |
KLAUKE, ERICH, DR.;FINDEISEN, KURT, DR. |
分类号 |
C07D253/06;A01N43/707;C07B31/00;C07B43/08;C07C51/58;C07C67/00;C07C253/00;C07C255/17;C07C255/31;C07C255/40;C07C255/56;(IPC1-7):07C120/04;07C121/76;07C121/34 |
主分类号 |
C07D253/06 |
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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