Ga(ClO4)3-catalyzed Reaction of 1,2-Diamines and α-Bromoketones:Synthesis of 2-Substituted Quinoxalines

被引：0

作者：

JI Yun-fei

机构：

来源：

Chemical Research in Chinese Universities | 2012年 / 28卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Ga(ClO4)3; 1,2-Aryldiamine; α-Bromoketone; 2-Substituted quinoxaline; Solvent-free reaction;

D O I：

暂无

中图分类号：

O621.25 [];

学科分类号：

摘要：

Ga(ClO4)3-catalyzed reaction of 1,2-aryldiamines and α-bromoketones to afford 2-substituted quinoxalines in good yields is described.The reaction proceeded via grinding process with 10%(molar fraction) catalyst under solvent-free conditions at room temperature.For unsymmetrical o-phenylenediamines bearing electron-withdrawing groups,regio-selective quinoxalines were obtained.

引用

页码：642 / 646

页数：5

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