Regioselective sulfonylation reaction of substituted aromatic co

Details Regioselective sulfonylation reaction of substituted aromatic co Regioselective sulfonylation reaction of substituted aromatic co

1993-03-01

1995-11-21

Dees, Jose G.

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

Organic compounds

Sulfur containing

568 33, 568 35, C07C31500

Patent

active

054689031

ABSTRACT:
A process for preparing a compound comprising a monocyclic aromatic ring having at least a first substituent and a substituted sulphonyl group at the position para to the first substituent, the process comprising mixing a reactant comprising the monocyclic aromatic ring with the first substituent and hydrogen in the position of the ring para to the first substituent, with a sulphonic acid halide derivative in the presence of a naturally occurring or synthetic zeolite capable of catalyzing a sulphonylation reaction between the reactant and the sulphonic acid halide, under conditions in which the reaction will occur.

REFERENCES:
patent: 2781402 (1957-02-01), Chadwick
Hyatt et al., "Synthesis of Aryl Alkyl and Aryl Vinyl Sulfones via Friedel-Crafts Reactions of Sulfonyl Fluorides", Synthesis, No. 3, Mar. 1984, pp. 214-217.

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