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：32
|
作者：
Kiasat, A. R. [1 ]
Hemat-Alian, L. [1 ]
机构：
[1] Shahid Chamran Univ, Dept Pure Chem, Fac Sci, Ahvaz, Iran
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2015年 / 41卷 / 02期
关键词：
Bis-(4-hydroxycoumarin-3-yl) methanes; Biscoumarin; Multicomponent reaction; Solvent-free; Phospho sulfonic acid; BISCOUMARIN; DERIVATIVES; 4-HYDROXYCOUMARIN; ALDEHYDES; WATER;
D O I：
10.1007/s11164-013-1239-4
中图分类号：
O6 [化学];
学科分类号：
0703 ;
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.
引用
收藏
页码：873 / 880
页数：8
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