Brønsted acidic ionic liquids catalyzed one-pot synthesis of benzoxanthene leuco-dye derivatives

被引：0
作者：
Hamid Reza Shaterian
Kobra Azizi
机构：
[1] University of Sistan and Baluchestan,Department of Chemistry, Faculty of Sciences
来源：
Research on Chemical Intermediates | 2015年 / 41卷
关键词：
Brønsted acid; Ionic liquid; Catalyst; Benzoxanthene; Leuco-dye; Solvent-free;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Brønsted acidic ionic liquids, triphenyl(propyl-3-sulphonyl)phosphonium toluenesulfonate and N-methyl-2-pyrrolidonium hydrogen sulfate, are found to be efficient catalysts for the synthesis of 14-aryl-14H-dibenzo[a,i]xanthene-8,13-dione, 3,4-dihydro-2H-benzo[b]xanthene-1,6,11(12H)-trione, and aryl-5H-dibenzo[b,i]xanthene-5,7,12,14(13H)-tetraone derivatives under solvent-free conditions. The mentioned ionic liquids are recyclable catalysts and were reused several times without any significant loss of their activities. High conversions, shorter reaction times, cleaner reaction, and simple experimental and work-up procedures are advantages.
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页码：409 / 417
页数：8
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