Preparation of dibromostyrene

Details Preparation of dibromostyrene Preparation of dibromostyrene

1980-03-13

1983-12-27

Waltz, Thomas A.

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

Organic compounds

Halogen containing

C07C 1734

Patent

active

044232624

ABSTRACT:
A process for the preparation of an ar-dibromostyrene which comprises aqueous alcoholic alkali dehydrobromination of 2-bromoethyl dibromobenzene in the presence of a phase transfer catalyst at a temperature of between about 0.degree. C. and about 150.degree. C. The ar-dibromostyrenes have the particular utility as a co-monomer for the preparation of a co-polymer exhibiting a flame retardancy.

REFERENCES:
patent: 2290758 (1942-07-01), Levine et al.
patent: 2561516 (1951-07-01), Ladd et al.
patent: 2996554 (1961-08-01), Olah et al.
patent: 3065280 (1962-11-01), Vogt
patent: 3204004 (1965-08-01), Sexton
patent: 3664966 (1972-05-01), Gordon
patent: 3867468 (1975-02-01), Vofsi et al.
patent: 3896181 (1975-07-01), Brown et al.
J. Dockx, Quaternary Ammonium Compounds in Organic Synthesis, pp. 441-456, Aug. 1973.

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