Quinuclidine Stabilized on FeNi3 Nanoparticles as Catalysts for Efficient, Green, and One-Pot Synthesis of Triazolo[1,2-a]indazole-triones

被引：29

作者：

Sadeghzadeh, Seyed Mohsen ^{[1
]}

机构：

[1] Birjand Univ, Dept Chem, Coll Sci, Birjand, Iran

来源：

CHEMPLUSCHEM | 2014年 / 79卷 / 02期

关键词：

green chemistry; heterogeneous catalysis; indazole-triones; magnetic nanoparticles; solvent free; MAGNETIC NANOPARTICLES; SHELL; MICROSPHERES; REDUCTION;

D O I：

10.1002/cplu.201300341

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new magnetically separable catalyst consisting of quinuclidin-3-thiol supported on propylsilane-functionalized silica-coated FeNi3 nanoparticles (FeNi3/quinuclidine) has been prepared. The synthesized catalyst was characterized by powder X-ray diffraction, transmission electron microscopy, vibrating sample magnetometry, thermogravimetric analysis, and Fourier transform infrared spectroscopy. The immobilized FeNi3/quinuclidine was shown to be an efficient heterogeneous catalyst for the synthesis of triazolo[1,2-a]indazole-triones under solvent-free conditions at room temperature. The catalyst is readily recovered by simple magnetic decantation and can be recycled several times with no significant loss of catalytic activity.

引用

页码：278 / 283

页数：6

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