Method of producing biaryls

US6566571B1 · kind B1 · utility

Assignee

• Degussa AG · DE

Inventors

• Thomas Riermeier · Wemding, DE
• Matthias Beller · Ostseebad Nienhagen, DE
• Alexander Zapf · Rosenheim, DE

Key dates

• Filing date: Feb 4, 2002
• Grant date: May 20, 2003
• Expiry date: Feb 4, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C201/12
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for preparing monofunctional, bifunctional and/or polyfunctional biaryls of the formula (I)Ar—Ar′  (I)by reacting haloaromatics of the formula (II)Ar—X  (II)with boron compounds of the formula (IIIa), (IIIb) and/or (IIIc) in the presence of at least one palladium complex of the formula (IVa) or (IVb)