Preparation of a difluorohalomethoxybenzene

Details Preparation of a difluorohalomethoxybenzene Preparation of a difluorohalomethoxybenzene

1990-04-12

1992-04-14

Cintins, Marianne

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

Organic compounds

Oxygen containing

568 33, 568 51, 568 55, 568306, 568337, 568442, 568587, 568588, 568637, 568643, 568649, 558413, 558415, 558416, 558419, 558423, 558424, 560 11, 560 12, 560 13, 560 18, 560 21, 560 22, 560 23, 560 42, C07C 4122, C07C31920, C07C 4561, C07C20968

Patent

active

051050218

ABSTRACT:
A higher yield of the difluorohalomethoxybenzene produced by the reaction of a metal phenolate with dibromodifluoromethane or bromochlorodifluoromethane can be obtained by conducting the addition of a metal alcoholate or a metal hydride as a reaction initiator to a solution or a suspension of an aprotic polar solvent containing the metal phenolate and dibromodifluoromethane or bromochlorodifluoromethane.

REFERENCES:
patent: 4377711 (1983-03-01), Rico et al.
patent: 4705866 (1987-11-01), Gastinger
patent: 4782094 (1988-11-01), Numata et al.

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