Process for the sulphonation of aromatic compounds with sulphur

Details Process for the sulphonation of aromatic compounds with sulphur Process for the sulphonation of aromatic compounds with sulphur

1989-01-06

1989-08-22

Siegel, Alan

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

Organic compounds

Sulfonic acids or salts thereof

562 88, 562 90, C07C14324

Patent

active

048593729

ABSTRACT:
A new process for the preparation of aromatic sulphonic acids, in which the sulphonation of the aromatic compounds is carried out with sulphur trioxide in organic solvents in the presence of hydrogen halide.

REFERENCES:
Groggins, Unit Processes in Org. Synth., 4th ed., pp. 296-297, (1952).
Gilbert, Sulfonation & Related Reactions, (1965), pp. 18-19.

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