Process for the directed chlorination of alkylbenzenes

Details Process for the directed chlorination of alkylbenzenes Process for the directed chlorination of alkylbenzenes

1975-08-01

1977-06-21

Horwitz, D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252429R, 252429A, C07C 2504

Patent

active

040311422

ABSTRACT:
A process for the production of nuclear chlorinated alkylbenzenes comprises reacting an alkylbenzene with chlorine in the presence of a catalyst system comprising a Lewis acid catalyst and a thianthrene co-catalyst. The nuclear chlorinated alkylbenzene products prepared in this manner are characterized by a substantially reduced ratio of orthochloro to parachloro isomer.

REFERENCES:
patent: 1741305 (1929-12-01), Jaeger
patent: 1946040 (1934-02-01), Stoesser et al.
patent: 3226447 (1965-12-01), Bing et al.

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