Process for the preparation of 4,4'-dihalobiphenyls

Details Process for the preparation of 4,4'-dihalobiphenyls Process for the preparation of 4,4'-dihalobiphenyls

1989-03-02

1990-08-21

Lone, Werren B.

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

Organic compounds

Halogen containing

570206, C07C 1712, C07C 2518

Patent

active

049508172

ABSTRACT:
4,4'-dihalobiphenyls can be prepared by catalyzed halogenation of biphenyls with halogenating agents, the catalysts used being zeolites having pore sizes of at least 5 .ANG..

REFERENCES:
patent: 4724269 (1988-02-01), Suzuki et al.
Chen et al., Chemical Engineering Progress, Feb. 1988, pp. 32-40.

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