Preparation of 4-fluoro-3-phenoxy-toluene

Details Preparation of 4-fluoro-3-phenoxy-toluene Preparation of 4-fluoro-3-phenoxy-toluene

1979-08-17

1981-05-05

Helfin, Bernard

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

Organic compounds

Oxygen containing

560 9, 560 20, 560 61, 560105, 560124, 260465D, 2603405R, 260465F, C07C 4101

Patent

active

042660823

ABSTRACT:
A process for the preparation of 4-fluoro-3-phenoxy-toluene of the formula ##STR1## comprising reacting 3-bromo-4-fluoro-toluene, of the formula ##STR2## with potassium phenolate, or with sodium phenolate in the presence of a potassium salt, in a diluent in the presence of copper as catalyst at a temperature between about 120.degree. and 180.degree. C.

REFERENCES:
patent: 3637866 (1972-01-01), De Pasquale et al.
patent: 3966453 (1976-06-01), Takahashi et al.
patent: 4124370 (1978-11-01), Yu
Houben-Weyl, vol. 6/3, (1965), p. 87.
Weingarten, Jour. Org. Chem., vol. 29 (1964), 977-978.

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