Process for the preparation of chlorinated aromatics

Details Process for the preparation of chlorinated aromatics Process for the preparation of chlorinated aromatics

1997-03-06

1999-02-23

Siegel, Alan

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

Organic compounds

Halogen containing

570201, C07C 1908

Patent

active

058746552

ABSTRACT:
Chlorinated aromatics are obtained in a simple manner and in particularly good yield if the corresponding chloroformic esters are heated in the liquid phase to 90.degree. to 240.degree. C. in the presence of an inert organic solvent and a catalytic amount of one or more Lewis acids selected from the group consisting of the aluminium halides, iron halides and antimony halides.

REFERENCES:
patent: 4814524 (1989-03-01), Briody et al.
patent: 5306849 (1994-04-01), Lui et al.
W. Coppock, J. Org. Chem, vol, 22, pp. 325-326 (1957).
L. Delaude, et al., J. Org. Chem., vol. 55, pp. 5260-5269 (1990).

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