Process for the preparation of chloro-benzoylchlorides

Details Process for the preparation of chloro-benzoylchlorides Process for the preparation of chloro-benzoylchlorides

1998-01-12

2000-05-30

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic halides

C07C 5158

Patent

active

06069274&

ABSTRACT:
An effective and efficient process for the preparation of chloro-benzoylchlorides of formula I, ##STR1## (n is defined in the specification). In this process a a chloro-trichloromethylbenzene of formula II ##STR2## is treated with water acid in the presence of a Lewis at temperatures below 80.degree. C. The compounds obtained according to this process can be used to prepare certain chloro-substituted benzophenones.

REFERENCES:
patent: 1557154 (1925-10-01), George
patent: 1870601 (1932-08-01), Brtton et al.

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