Method for preparing 4-hydroxy-3-phenylbenzoic acid

Details Method for preparing 4-hydroxy-3-phenylbenzoic acid Method for preparing 4-hydroxy-3-phenylbenzoic acid

1988-11-25

1989-10-10

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

560141, C07C 5115

Patent

active

048733679

ABSTRACT:
4-Hydroxy-3-phenylbenzoic acid is prepared by carbonation of a 2-phenylphenol alkali metal salt in the presence of a liquid N,N-dialkylcarboxamide such as dimethylformamide. Carbonation may be effected at atmospheric pressure or at superatmospheric pressures.

REFERENCES:
patent: 1915429 (1933-06-01), Laska et al.
patent: 1969355 (1933-08-01), Christiansen
patent: 2042343 (1935-05-01), Kyrides
patent: 3660372 (1972-05-01), Schoenewaldt
patent: 3681445 (1972-08-01), Ruyle

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