Preparation of .alpha.-hydroxyisobutyric acid using a thallic ha

Details Preparation of .alpha.-hydroxyisobutyric acid using a thallic ha Preparation of .alpha.-hydroxyisobutyric acid using a thallic ha

1982-12-13

1984-05-22

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

C07C 5900

Patent

active

044502931

ABSTRACT:
A process for the preparation of .alpha.-hydroxyisobutyric acid by the catalytic oxidation of isobutyric acid with oxygen in an aqueous solution in the presence of a TlCl.sub.3 or TlBr.sub.3 catalyst and a Cu, Sn, or Fe halide compound as a redox agent. Optionally alkali metal halides may be employed to promote catalysis and control the halide concentration.

REFERENCES:
patent: 2971981 (1961-02-01), Aries
patent: 3198823 (1965-08-01), Akabayashi et al.
patent: 3284494 (1966-11-01), Schoenbrunn

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