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

Lisheng Mao; Hidehiro Sakurai; Toshikazu Hirao

doi:10.1055/s-2004-831194

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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;

Abstract

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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.

Key words

Suzuki-Miyaura coupling - 2,3-disubstituted quinoxaline - unsymmetrical quinoxaline

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