Ga(ClO4)3-catalyzed synthesis of quinoxalines by cycloaddition of α-hydroxyketones and o-phenylenediamines

A new approach for the synthesis of 2-substituted quinoxalines by Ga(ClO4)3-catalyzed cycloaddition of α-hydroxyketones and o-phenylenediamines is introduced. The reaction is catalyzed by 10mol% of Ga(ClO4)3 in EtOH at room temperature. It is performed under simple and mild conditions to afford the...

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Bibliographic Details
Published in:Tetrahedron letters 2012-05, Vol.53 (20), p.2508-2510
Main Authors: Pan, Fan, Chen, Tang-Ming, Cao, Jia-Jia, Zou, Jian-Ping, Zhang, Wei
Format: Article
Language:English
Subjects:
Cycloaddition
Gallium perchlorate
o-Phenylenediamines
Quinoxalines
Synthesis (chemistry)
Tetrahedrons
α-Hydroxyketones
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Summary:A new approach for the synthesis of 2-substituted quinoxalines by Ga(ClO4)3-catalyzed cycloaddition of α-hydroxyketones and o-phenylenediamines is introduced. The reaction is catalyzed by 10mol% of Ga(ClO4)3 in EtOH at room temperature. It is performed under simple and mild conditions to afford the product in good yield.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2012.02.113