Process for 1,2,4,5-tetrachlorobenzene

Details Process for 1,2,4,5-tetrachlorobenzene Process for 1,2,4,5-tetrachlorobenzene

1978-01-16

1980-01-29

Gantz, Delbert E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 2500

Patent

active

041861531

ABSTRACT:
The process for preparing 1,2,4,5-tetrachlorobenzene, the process comprising contacting at reactive conditions 1,2,4-trichlorobenzene and chlorine gas in the presence of a catalytic amount of at least one Lewis acid, such as ferric trichloride, is improved by using as a cocatalyst at least one iodoaryl compound, such as p-iodoanisole.

REFERENCES:
patent: 3557227 (1971-01-01), Fooladi
Keefer & Andrews, JACS 79, pp. 4348-4353, (1957).

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