Salen complex of Cu(II) supported on superparamagnetic Fe3O4@SiO2 nanoparticles: An efficient and recyclable catalyst for synthesis of 1-and 5-substituted 1H-tetrazoles

被引：160

作者：

Dehghani, Farzaneh ^{[1
]}

Sardarian, Ali Reza ^{[1
]}

Esmaeilpour, Mohsen ^{[1
]}

机构：

[1] Shiraz Univ, Dept Chem, Coll Sci, Shiraz 71454, Iran

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2013年 / 743卷

关键词：

1-Substituted; 1H-tetrazole; 5-Substituted; Magnetite nanoparticles; Salen Cu(II); REUSABLE HETEROGENEOUS CATALYST; 1-SUBSTITUTED TETRAZOLES; TRIMETHYLSILYL AZIDE; 3+2 CYCLOADDITION; SILICA-NANOPARTICLES; KINETIC RESOLUTION; ORGANIC-SYNTHESIS; RAPID SYNTHESIS; HECK REACTION; IONIC LIQUID;

D O I：

10.1016/j.jorganchem.2013.06.019

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

An efficient and general method has been developed for synthesis of 1- and 5-substituted 1H-tetrazoles from nitriles and amines using magnetite nanoparticles immobilized Salen Cu(II) as an efficient and recyclable catalyst. The structural and magnetic properties of functionalized magnetic silica are identified by transmission electron microscopy (TEM), scanning electron microscopy (SEM) and vibrating sample magnetometer (VSM) instruments. NMR, FT-IR, elemental analysis and XRD were also used for identification of these structures. Nanocatalyst can be easily recovered by a magnetic field and reused for subsequent reactions for at least 7 times with less deterioration in catalytic activity. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：87 / 96

页数：10

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