Process for the preparation of 2-hydroxybenzenesulfonamide

Details Process for the preparation of 2-hydroxybenzenesulfonamide Process for the preparation of 2-hydroxybenzenesulfonamide

1984-06-11

1985-12-03

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

C07C14378

Patent

active

045567336

ABSTRACT:
A three step process for preparing 2-hydroxybenzenesulfonamide from 2,4-dichlorophenol by treatment with chlorosulfonic acid followed by amination to form the dichlorohydroxysulfonamide and finally dehalogenation.

REFERENCES:
patent: 3127446 (1964-03-01), Holmes
patent: 3546234 (1970-12-01), Fauland et al.
patent: 3803062 (1974-04-01), Rodia et al.
patent: 3890383 (1975-06-01), Rodia et al.
Phosphorous and Sulphur, 1979, vol. 6, pp. 413-419.
Catalytic Hydrogenation in Organic Synthesis, Chap. 12.
J. Chem. Soc., 2903 (1958).
JACS 82, 1135 (1960).

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