β-Cyclodextrin nanosponge polymer: a basic and eco-friendly heterogeneous catalyst for the one-pot four-component synthesis of pyranopyrazole derivatives under solvent-free conditions

被引：0
作者：
Mina Jafari Nasab
Ali Reza Kiasat
Raziyeh Zarasvandi
机构：
[1] Shahid Chamran University of Ahvaz,Department of Chemistry, College of Science
[2] Shahid Chamran University of Ahvaz,Petroleum Geology and Geochemistry Research Centre (PGGRC)
来源：
Reaction Kinetics, Mechanisms and Catalysis | 2018年 / 124卷
关键词：
β-Cyclodextrin-epichlorohydrin nanosponge polymer; Pyranopyrazole derivatives; Spiro[indoline-3,4′-pyrano[2,3-c]pyrazole; Multicomponent reactions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
β-Cyclodextrin-epichlorohydrin nanosponge polymer, β-CD/EP, was prepared from the stepwise polymerization of β-cyclodextrin with epichlorohydrin under basic conditions and characterized by FT-IR spectroscopy, thermogravimetric analysis, scanning electron microscopy and Brunauer–Emmett–Teller. An efficient synthesis of spiro[indoline-3,4′-pyrano[2,3-c]pyrazole] and pyranopyrazole derivatives is described using β-CD/EP as a stationary micro-vessel and basic heterogeneous catalyst via a four component reaction under solvent-free conditions.
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页码：767 / 778
页数：11
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