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

1995-04-21

1997-04-15

Shah, Mukund J.

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

Organic compounds

Halogen containing

549 10, 540461, C07C 1712, C07D29102, C07D32702

Patent

active

056211538

ABSTRACT:
A process for the para-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 cyclohexyl ring; n is 0, 1 or 2, with the proviso that when Z is [3], n is 0 or 1.

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