Phospho sulfonic acid: a versatile and efficient solid acid catalyst for facile synthesis of bis-(4-hydroxycoumarin-3-yl) methanes under solvent-free conditions

被引：0
|
作者：
A. R. Kiasat
L. Hemat-Alian
机构：
[1] Shahid Chamran University,Department of Pure Chemistry, Faculty of Science
来源：
Research on Chemical Intermediates | 2015年 / 41卷
关键词：
Bis-(4-hydroxycoumarin-3-yl) methanes; Biscoumarin; Multicomponent reaction; Solvent-free; Phospho sulfonic acid;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Biscoumarin derivatives are synthesized via a simple, one-pot, pseudo three-component reaction between various arylaldehydes and 4-hydroxycoumarin using phospho sulfonic acid as a reaction mediator under solvent-free neat conditions in good to excellent yields. High yields, short reaction time, easy work-up, elimination of solvents and environmentally benign milder reaction conditions are the advantages of this procedure.
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页码：873 / 880
页数：7
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