Process for the preparation of chloro-alkylbenzenes and novel co

Details Process for the preparation of chloro-alkylbenzenes and novel co Process for the preparation of chloro-alkylbenzenes and novel co

1996-12-02

1998-02-03

Ford, John M.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

549 10, C07D29108

Patent

active

057146039

ABSTRACT:
A process for the pare-directed nuclear chlorination of an alkylbenzene, such as toluene, comprises reacting the alkylbenzene with chlorine in the presence of a Lewis acid catalyst and a novel co-catalyst of the formula: ##STR1## where Z is ##STR2## and R is Cl, Br, F, C.sub.1 to C.sub.8 alkyl to C.sub.1 to C.sub.8 alkoxy; x and y are each hydrogen, or taken together form a fused cyclopentyl or 0 or 1.

REFERENCES:
patent: 3311615 (1967-03-01), Mohrbacher
patent: 4925994 (1990-05-01), Mais et al.

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