Process for the preparation of multinuclear phenols which are alkylated in the nucleus

US4110540A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Dieter Freitag · Krefeld, DE
• Erhard Tresper · Krefeld, DE
• Rolf Kuchenmeister
• Wolfgang Beer

Key dates

• Filing date: Jul 27, 1976
• Grant date: Aug 29, 1978
• Expiry date: Jul 27, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G8/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of multinuclear phenols alkylated in the nucleus, wherein bisphenol A is reacted with a phenyl alkenyl compound in the presence of a catalytic quantity of aluminium phenolate and resols obtained from said alkylated phenols.