发明名称 |
FREMGANGSMAADE TIL FREMSTILLING AF ACYLCYANIDER |
摘要 |
Acyl cyanides of the general formula <IMAGE> in which R represents alkyl or substituted alkyl of from 1 to 8 carbon atoms; cycloalkyl or substituted cycloalkyl with 3 to 12 carbon atoms; aryl or substituted aryl; or an optionally substituted 5-membered or 6-membered heterocyclic radical which can additionally also be fused with a benzene ring, are prepared by reacting the corresponding carboxylic acid anhydride in the liquid phase with anhydrous hydrocyanic acid, at a temperature of between 50 DEG to 250 DEG C. |
申请公布号 |
DK149447(C) |
申请公布日期 |
1986.11.17 |
申请号 |
DK19770001442 |
申请日期 |
1977.04.01 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
FINDEISEN KURT;SCHWARZ HERBERT |
分类号 |
C07C;C07C255/17;C07C255/45;C07C255/56;C07D521/00;(IPC1-7):C07C121/34;C07C121/76;C07C120/00 |
主分类号 |
C07C |
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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