Recovery of brominated biphenyl oxide

Details Recovery of brominated biphenyl oxide Recovery of brominated biphenyl oxide

1974-08-30

1976-05-25

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4100

Patent

active

039593878

ABSTRACT:
A process for preparing polybrominated aromatic compounds which comprises (a) reacting an aromatic compound with bromine in the presence of a metal halide halogenation catalyst and solvent quantities of methylene bromide, and (b) adding a lower alkanol to the thereby produced reaction mixture to precipitate polybrominated aromatic product.

REFERENCES:
patent: 3763248 (1973-10-01), Mitchell
patent: 3833674 (1974-09-01), Brackenridge
patent: 3845146 (1974-10-01), Moore et al.

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