Process for preparing phenoxybenzoic acids

Details Process for preparing phenoxybenzoic acids Process for preparing phenoxybenzoic acids

1975-09-29

1977-06-21

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260520R, C07C 6976

Patent

active

040311317

ABSTRACT:
Phenoxybenzoic acids and esters of the formula ##STR1## wherein R is hydrogen or alkyl and X is hydrogen or chlorine can be prepared by reacting the disalt of 3-hydroxybenzoic acid with a 3-chloro-4-halobenzotrifluoride. These phenoxybenzoic acids and esters can then be selectively nitrated to give the corresponding 2-nitro-5-(substituted)phenoxybenzoic acids and esters. The nitrated esters can also be prepared by first nitrating the corresponding acid and then esterifying with an appropriate alcohol.

REFERENCES:
C. R. Noller, Chemistry of Organic Compounds, (2nd Ed.), W. B. Saunders Co., Philadelphia.

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