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

1986-11-19

1987-09-22

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C14352

Patent

active

046954120

ABSTRACT:
Acyloxybenzenesulfonic acids and their alkali metal and alkaline earth metal salts are prepared by a process comprising sulfonation of a phenyl ester in the presence or absence of a small amount of a complexing agent for the sulfonating agent SO.sub.3 or chlorosulfonic acid, subsequent acylation and, if desired, neutralization to give the alkali metal or alkaline earth metal salt, and, if required, subjecting the latter to oxidative bleaching before drying.

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McOmle, Protective Groups in Org. Chem., 1973, pp. 171-177.
Sulfonation and Related Reactions, E. E. Gilbert (Allied Chemical Corp., Gen. Chemical Division, Morristown, N.J.) Interscience Publishers, 1965 (a division of John Wiley & Sons, N.Y.) pp. 1-31.
Chemical Abstracts, vol. 79, No. 1, Jul. 9, 1973, 4991c.
Methoden der Organischen Chemie, Houben Weyl, 4. Auflage, 1955, Georg Thieme Verlag, Stuttgart Band IX, Seiten 503-508.
Interscience Publishers, 1965, New York, E. E. Gilbert, "Sulfonation and Related Reactions", Seiten 7-20.

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