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
收藏
页码：642 / 646
页数：5
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