Process for the preparation of halogenated aromatics

Details Process for the preparation of halogenated aromatics Process for the preparation of halogenated aromatics

1993-07-28

1994-04-26

Lone, Werren B.

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

Organic compounds

Halogen containing

570123, 570124, 570127, 570143, 570164, 570165, 570190, 570201, C07C 1733

Patent

active

053068491

ABSTRACT:
Halogenated aromatics are prepared by heating halogenoformic acid esters to 80.degree. to 280.degree. C. in the presence of hydrogen fluoride or a catalytic amount of one or more Lewis acids from the group comprising aluminium halides, iron halides and antimony halides, and in the liquid phase.

REFERENCES:
patent: 4622431 (1986-11-01), Briody et al.
patent: 4656311 (1987-04-01), Desbois
patent: 4814524 (1989-03-01), Briody et al.

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