4,4'-Bis(4-chlorobenzoyl)benzophenone and preparation process thereof.

摘要

The present invention provides 4,4'-bis(4-chlorobenzoyl)benzophenone and a preparation process therefor. 4,4'-bis(4-chlorobenzoyl)benzophenone according to this invention is represented by the following formula: <CHEM> It can be prepared by synthesizing 4,4'-bis(4-chlorobenzoyl)diphenylmethane from 4-chlorobenzotrichloride and diphenylmethane or 4-chlorobenzoylchloride and diphenylmethane and then oxidizing it with molecular oxygen.