Process for preparing 2,6-dichlorotoluene

Details Process for preparing 2,6-dichlorotoluene Process for preparing 2,6-dichlorotoluene

1986-05-14

1988-01-26

Evans, J. E.

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

Organic compounds

Halogen containing

570211, C07C 1712

Patent

active

047218223

ABSTRACT:
Liquid para-toluenesulfonyl chloride is reacted with chlorine gas at elevated temperatures in the presence of a catalytic amount of a Lewis acid catalyst, preferably antimony trichloride. Sulfuric acid is added then the reaction mixture is heated and subsequently cooled to about room temperature. Ammonium hydroxide is added then the reaction mixture is distilled to yield a substantially pure 2,6-dichlorotoluene.

REFERENCES:
patent: 4006195 (1977-02-01), Gelfand

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