Preparation of trifluoromethyl-benzoyl halides

Details Preparation of trifluoromethyl-benzoyl halides Preparation of trifluoromethyl-benzoyl halides

1980-04-16

1985-02-19

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260465D, 260543R, C07C 6310

Patent

active

045004714

ABSTRACT:
Trifluoromethylbenzoyl chlorides are prepared by the reaction of trichloromethylbenzoyl chlorides or tribromomethylbenzoyl bromides with about 3 moles or less of hydrogen fluoride in the presence of a halogen transfer catalyst.

REFERENCES:
patent: 2181554 (1939-11-01), Kracker et al.
patent: 3935258 (1976-01-01), Hempel et al.
patent: 4079089 (1978-03-01), Klauke
patent: 4079090 (1978-03-01), Buttner et al.
patent: 4093669 (1978-06-01), Klauke
Lichtenberger, Jean et al., Bull. Soc. Chim., (1962), pp. 915-919, of Memoires.
Advances in Fluorine Chemistry, (1970), vol. 6, p. 2, Butterworths London Publ.
Strogyn, Eugene L., J. of Medicinal Chemistry, (1973), pp. 1399-1401.

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