Preparation of bis(4-hydroxyphenyl)sulfone

Details Preparation of bis(4-hydroxyphenyl)sulfone Preparation of bis(4-hydroxyphenyl)sulfone

1991-03-14

1991-10-22

Ceperley, Mary E.

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

Organic compounds

Sulfur containing

C07C31504

Patent

active

050597159

ABSTRACT:
A process for the preparation of bis(4-hydroxyphenyl)sulfone by reacting phenol with sulfuric acid in the presence of a solvent at from 130.degree. to 220.degree. C. and in the presence or absence of a sulfonating assistant, wherein the bis(4-hydroxyphenyl)sulfone formed is selectively deposited on a nucleating surface during or after the reaction, and thus removed from the reaction medium.

REFERENCES:
patent: 3065274 (1962-11-01), Vegter et al.
patent: 3297766 (1967-01-01), Bradley et al.
patent: 4162270 (1979-07-01), Ogata et al.
Houben-Weyl, Methoden der Organischen Chemie, vol. 9, p. 494 to 497, 1955.
Derwent Abstract of Japanese Patent 50-106,938 Published Aug. 1975.

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