Production of crystalline tribromostyrene

Details Production of crystalline tribromostyrene Production of crystalline tribromostyrene

1987-07-21

1988-05-31

Evans, J. E.

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

Organic compounds

Halogen containing

570204, 570211, C07C 1734, C07C 1738, C07C 1724

Patent

active

047482869

ABSTRACT:
The invention relates to an improved process for the production of crystalline tribromostyrene. The process involves removal of hydrogen bromide in a two phase system with the aid of phase transfer catalysts. One of the phases used is an aqueous one containing an alkali metal hydroxide whereas the second comprises .beta.-bromoethyltribromobenzene in an alcohol as solvent.

REFERENCES:
patent: 3966831 (1976-06-01), Levy et al.
patent: 3980722 (1976-09-01), Cohen et al.
patent: 4292453 (1981-09-01), Daren et al.
patent: 4423262 (1983-12-01), Jackisch
patent: 4633026 (1986-12-01), Kolich
patent: 4686311 (1987-08-01), Jackisch

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