Process for producing 2,5-dichloro-p-xylene

Details Process for producing 2,5-dichloro-p-xylene Process for producing 2,5-dichloro-p-xylene

1981-11-24

1986-08-26

Warren, Charles F.

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

Organic compounds

Halogen containing

570110, C07C 1712

Patent

active

046084487

ABSTRACT:
Reaction of ferric chloride with 2-chloro-p-xylene yields dichloro-p-xylene having a high ratio of 2,5-dichloro-p-xylene isomer to 2,3-dichloro-p-xylene isomer.

REFERENCES:
patent: 2608591 (1952-08-01), Lawlor
patent: 3002027 (1961-09-01), Lindemann et al.
patent: 3035103 (1962-05-01), Hlynsky
patent: 4010214 (1977-03-01), Gelfand
"Chlorination of Aromatic Compounds with Metal Chlorides" by: Peter Kovacic and Neal O. Brace, J.A.C.S., 76, Nov., 1954, pp. 5491 to 5494.

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