发明名称 |
Process for the preparation of chloro-benzoyl chlorides |
摘要 |
An effective and efficient process for the preparation of chloro-benzoylchlorides of formula I, (n is defined in the specification). In this process a a chloro-trichloromethylbenzene of formula II is treated with water acid in the presence of a Lewis at temperatures below 80 DEG C. The compounds obtained according to this process can be used to prepare certain chloro-substituted benzophenones.
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申请公布号 |
US5981803(A) |
申请公布日期 |
1999.11.09 |
申请号 |
US19990232070 |
申请日期 |
1999.01.15 |
申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
VAN DEN AKKER, LAURENS WILHELM;BRINK, MONIKA |
分类号 |
C07C45/46;(IPC1-7):C07C45/00 |
主分类号 |
C07C45/46 |
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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