4-Vinylbenzeneacetic acid

Details 4-Vinylbenzeneacetic acid 4-Vinylbenzeneacetic acid

1983-12-27

1985-02-12

Killos, Paul J.

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

Organic compounds

Carboxylic acids and salts thereof

568308, 562493, 562413, C07C 6364

Patent

active

044993005

ABSTRACT:
A multi-step preparation of 4-vinylbenzeneacetic acid from the readily available 1,4-diethylbenzene is described. The method uses cobalt (II) catalyzed oxidation of 1,4-diethylbenzene to 4-ethylacetophenone followed by oxidative rearrangement of the latter to 4-ethylbenzeneacetic acid, selective photochlorination to produce 4-(1'-chloroethyl)benzeneacetic acid, and finally base-catalyzed dehydrochlorination of the latter to afford the title compound.

REFERENCES:
patent: 4362891 (1982-12-01), Guerrato et al.

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