Preparation of acyloxybenzenesulfonic acids and their alkali met

Details Preparation of acyloxybenzenesulfonic acids and their alkali met Preparation of acyloxybenzenesulfonic acids and their alkali met

1986-11-07

1987-11-10

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560109, 560142, 260513T, 260512R, 260507R, C07C 6976, C07C 6900

Patent

active

047056495

ABSTRACT:
Acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts are prepared by sulfonation of phenol in the presence of a small amount of a complexing agent for the sulfonating agent SO.sub.3 or chlorosulfonic acid, followed by esterification and, if required, neutralization to give the alkali metal or alkaline earth metal salt.

REFERENCES:
patent: 3503888 (1970-03-01), Miller et al.
patent: 4321157 (1982-03-01), Harris et al.
patent: 4412934 (1983-11-01), Chung et al.
Gilbert, "Sulfonation & Related Reactions", (1965), pp. 7-18.

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