Synthesis 2004(15): 2535-2539  
DOI: 10.1055/s-2004-831194
PAPER
© Georg Thieme Verlag Stuttgart · New York

Facile Synthesis of 2,3-Disubstituted Quinoxalines by Suzuki-Miyaura Coupling

Lisheng Mao, Hidehiro Sakurai*, Toshikazu Hirao*
Handai FRC (Frontier Research Center) and Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Yamada-oka, Suita, Osaka 565-0871, Japan
Fax: +81(6)68797415; e-Mail: hirao@chem.eng.osaka-u.ac.jp; e-Mail: hsakurai@chem.eng.osaka-u.ac.jp;
Further Information

Publication History

Received 2 June 2004
Publication Date:
23 August 2004 (online)

Abstract

A versatile synthetic route to symmetrical and unsymmetrical 2,3-disubstituted quinoxalines was developed by palladium-catalyzed Suzuki-Miyaura coupling of 2,3-dichloroquinoxaline with various boronic acids. Their photophysical and electrochemical properties were investigated.