Process for bromination of biphenyl with BRCL

Details Process for bromination of biphenyl with BRCL Process for bromination of biphenyl with BRCL

1990-09-20

1992-04-21

Lone, Werren B.

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

Organic compounds

Halogen containing

570182, 570183, 570190, C07C 1712

Patent

active

051070448

ABSTRACT:
A process for the bromination of biphenyl, particularly for the preparation of 4-bromobiphenyl or of 4,4'-dibromobiphenyl. The process comprises reacting biphenyl with BrCl. The BrCl may be formed in situ in the reaction medium or may be formed before reaction with biphenyl.

REFERENCES:
patent: 2019015 (1935-10-01), McCullough
patent: 2607802 (1952-08-01), Britton et al.
patent: 3845146 (1974-10-01), Moore
Olah et al., "J. Amer. Chem. Soc.", vol. 86(6), pp. 1039, 1046 (1964).

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