Process for preparing arylpyridines

US6248892A · kind A · utility

Assignee

• Clariant Corporation · DE

Inventors

• Antje Noerenberg · Büttelborn, DE
• Steffen Haber · Landau, DE
• Andreas Meudt · Hofheim, DE

Key dates

• Filing date: Jul 1, 1999
• Grant date: Jun 19, 2001
• Expiry date: Jul 1, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/842
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

2-, 3- or 4-arylpyridines are prepared by reacting a halopyridine with an aryl Grignard compound, where the halogen is chlorine or bromine, in the presence of a palladium catalyst of the formula (IV) ##STR1##