Manufacture of o-benzyltoluenes

US3978144A · kind A · utility

Assignee

• BASF SE

Inventors

• Heinz Eilingsfeld · Bischofswerda, DE
• Manfred Patsch · Monsheim, DE

Key dates

• Filing date: Jul 12, 1974
• Grant date: Aug 31, 1976
• Expiry date: Jul 12, 1994

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C2527/1213
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The manufacture of o-benzyltoluenes by reaction of o-xylyl halides with benzenes in the presence of boron trifluoride or its derivatives, and new o-benzyltoluenes. The new and known o-benzyltoluenes I manufactured by the process of the invention are starting materials for the manufacture of anthracene and anthraquinone and their derivatives.