Process for the preparation of aromatic (di)chlorosulphonic acid

Details Process for the preparation of aromatic (di)chlorosulphonic acid Process for the preparation of aromatic (di)chlorosulphonic acid

1991-08-06

1993-04-27

Siegel, Alan

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

Organic compounds

Sulfonic acids or salts thereof

562 59, 562 69, 562 73, 562 75, 562 76, 562 78, C07C30300, C07C30700, C07C30900

Patent

active

052064271

ABSTRACT:
Aromatic (di)chlorosulphonic acids and (di)bromosulphonic acids can be prepared by reacting aromatic sulphonic acids with chlorine or bromine respectively, the reaction advantageously being carried out in the melt of the aromatic sulphonic acids.

REFERENCES:
patent: 4131619 (1978-12-01), Pews
Bernhard Prager et al.; "Beilsteins Handbuch Der Organischen Chemie" pp. 56-57; 1928.

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