Process for the preparation of alpha-hydroxyaryl-alkanoic acids

Details Process for the preparation of alpha-hydroxyaryl-alkanoic acids Process for the preparation of alpha-hydroxyaryl-alkanoic acids

1985-02-01

1987-02-10

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

562470, 562478, 549369, 568592, C07C 6524, C07C 4330

Patent

active

046423761

ABSTRACT:
A process is described for the preparation of alpha-hydroxyl-alkanoic acids of formula ##STR1## which are known anti-inflammatory agents or intermediates for known pharmaceutical products. The process consists essentially in the rearrangement of phenolates of formula ##STR2## wherein Ar is an unsubstituted or substituted phenyl or naphthyl, in aqueous environment or in an organic medium, at temperatures comprised within the range of from 0.degree. to 100.degree. C. and within short times, followed by either acid or alkaline hydrolysis.

REFERENCES:
patent: 4542237 (1985-09-01), Schloemer

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