Process for preparing esters of arylacetic acids from alpha-halo

Details Process for preparing esters of arylacetic acids from alpha-halo Process for preparing esters of arylacetic acids from alpha-halo

1980-02-15

1982-05-04

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560 55, 560105, 562465, 562466, 568308, 568323, 568328, C07C 6976, C07C 65105

Patent

active

043283560

ABSTRACT:
Esters of arylacetic acids, more particularly lower alcohol esters of arylacetic acids, including those substituted on the methylene group, are prepared by rearrangement of the corresponding alpha-halo-alkylarylketones with Ag compounds in lower alcohols and in an acid medium. From the alkyl esters so prepared, their respective free acids can be obtained, if desired, by various means such as hydrolysis or the shift with mineral acids of the alkaline salts prepared by reaction with alkali, etc.

REFERENCES:
J. P. Begue et al., Tetrahedron, vol. 30, pp. 141-149, (1974).
D. J. Pasto et al., J. of Organic Chem., vol. 32, pp. 778-781, (1967).
D. J. Pasto et al., J.A.C.S., 93:3, Feb. 10, 1971.

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