Method for producing 4,4'-dibromobiphenyl

Details Method for producing 4,4'-dibromobiphenyl Method for producing 4,4'-dibromobiphenyl

1988-12-07

1990-06-19

Lone, Werren B.

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

Organic compounds

Halogen containing

570206, 570208, C07C 1712

Patent

active

049355627

ABSTRACT:
A method for producing 4,4'-dibromobiphenyl, which comprises reacting biphenyl and from 2 to 3 mol times, relative to biphenyl, of bromine in a halogenated hydrocarbon solvent in the presence of a catalyst which is a simple substance of an element selected from the group consisting of antimony, titanium, tin and zinc, or a compound of the element.

REFERENCES:
patent: 1835754 (1931-12-01), Britton et al.
patent: 3285965 (1966-11-01), Jenkner
N. Rabjohn et al.: "Organic Synthesis", vol. 4, revised edition of annual vols. 30-39, pp. 256-259, John Wiley & Sons, Inc., New York, US.

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