Process for the preparation of 2-halogeno-4,5-difluorobenzoyl fl

Details Process for the preparation of 2-halogeno-4,5-difluorobenzoyl fl Process for the preparation of 2-halogeno-4,5-difluorobenzoyl fl

1997-02-13

1999-01-12

Killos, Paul J.

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

Organic compounds

Carboxylic halides

C07L 5158

Patent

active

058592989

ABSTRACT:
2-Halogeno-4,5-difluoro-benzoyl fluorides are obtained in high yields by reacting 2,4-dichloro-5-fluoro-benzoyl halides with potassium fluoride in an aprotic solvent. The 2-halogeno-4,5-difluoro-benzoyl fluorides prepared in this way are particularly suitable as intermediates for the preparation of antibacterial active substances.

REFERENCES:
patent: 4851160 (1989-07-01), Peterson et al.
patent: 4990661 (1991-02-01), Petersen et al.
patent: 5072038 (1991-12-01), Klauke et al.

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