Method of preparing halogen benzoic acids from toluenes halogena

Details Method of preparing halogen benzoic acids from toluenes halogena Method of preparing halogen benzoic acids from toluenes halogena

1984-03-05

1986-08-12

Trousof, Natalie

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

Organic compounds

Carboxylic acids and salts thereof

562414, C07C 51265

Patent

active

046057579

ABSTRACT:
A method for the preparation of halogen benzoic acids by oxidation of the corresponding nuclear halogenated toluenes with oxygen or a gas containing oxygen, in acetic acid, with the addition of soluble cobalt and/or manganese compounds, and of sodium bromide, at elevated temperatures of about 80.degree. to 220.degree. C. and pressures of about 1 to 50 bar.

REFERENCES:
patent: 3012038 (1961-12-01), O'Neill et al.
patent: 3679740 (1972-07-01), Massie
patent: 4162365 (1979-07-01), List et al.
patent: 4423245 (1983-12-01), Lee
Perry, Chemical Engineers' Handbook, 5th Ed., McGraw-Hill Book Co., New York, 1973, TP 155 P4.

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