Magnetic (chitosan/laponite)-immobilized copper(II) ions: an efficient heterogeneous catalyst for azide-alkyne cycloaddition

被引：21

作者：

Mahdavinia, Gholam Reza ^{[1
]}

Soleymani, Moslem ^{[2
]}

Nikkhoo, Mohammad ^{[3
]}

Farnia, Sayed Morteza F. ^{[3
]}

Amini, Mojtaba ^{[1
]}

机构：

[1] Univ Maragheh, Dept Chem, Polymer Res Lab, Fac Sci, Maragheh 5518183111, Iran

[2] Univ Maragheh, Dept Polymer Engn, Fac Engn, Maragheh 5518183111, Iran

[3] Univ Tehran, Dept Chem, Tehran, Iran

来源：

NEW JOURNAL OF CHEMISTRY | 2017年 / 41卷 / 10期

关键词：

ONE-POT SYNTHESIS; CLICK REACTIONS; CHITOSAN; NANOPARTICLES; HYDROGELS; LAPONITE; SORPTION; CLAY; NANOCOMPOSITES; COMPLEXES;

D O I：

10.1039/c6nj03862j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Cu2+ ions immobilized on a novel magnetic chitosan-based catalytic system were prepared in combination with laponite RD. The Cu-II-magnetic chitosan/laponite RD (Cu-mCSLap) nanocomposite was characterized via X-ray diffraction, energy dispersive X-ray, scanning electron microscopy, and transmission electron microscopy. Further, the catalytic activity of this well-defined material was investigated in three-component CuAAC reactions to obtain 1,4-disubstituted-1,2,3-triazoles in good to excellent yields from an organic halide, sodium azide, and an alkyne using air-in-water as a green solvent.

引用

页码：3821 / 3828

页数：8

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