Process for the preparation of bis(4-chlorophenyl) sulfone

US5082973A · kind A · utility

Assignee

• BASF SE

Inventors

• Michael Stumpp · Deidesheim, DE
• Peter Neumann · Wiesloch, DE
• Heinz Eilingsfeld · Bischofswerda, DE

Key dates

• Filing date: Jan 12, 1990
• Grant date: Jan 21, 1992
• Expiry date: Jan 12, 2010

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C315/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of bis(4-chlorophenyl) sulfone, wherein sulfur trioxide, dimethyl sulfate and chlorobenzene are reacted with each in a single reaction at a temperature of from 50.degree. to 100.degree. C.