Magnetic Aluminosilicate Nanoclay: a Natural and Efficient Nanocatalyst for the Green Synthesis of 4H-Pyran Derivatives

被引：48

作者：

Maleki, Ali ^{[1
]}

Hajizadeh, Zoleikha ^{[1
]}

机构：

[1] Iran Univ Sci & Technol, Dept Chem, Catalysts & Organ Synth Res Lab, Tehran 1684613114, Iran

来源：

SILICON | 2019年 / 11卷 / 06期

关键词：

Aluminosilicate nanoclay; Green magnetic nanocomposite; Halloysite; Fe3O4; nanoparticles; 4H-Pyran; ONE-POT SYNTHESIS; HALLOYSITE NANOTUBE; HETEROGENEOUS NANOCATALYST; RECYCLABLE CATALYST; OXIDE; NANOCOMPOSITES; 1,4-DIHYDROPYRIDINE; NANOPARTICLES; ALDEHYDES;

D O I：

10.1007/s12633-019-0069-4

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this study, the magnetic nanoparticles have been loaded on the halloysite nanotubes (HNTs) as an aluminosilicate clay mineral. Fe3O4/HNTs nanocomposite was fully characterized by Fourier transform infrared (FT-IR) spectroscopy, energy dispersive X-ray (EDX) analysis, thermogravimetric analysis (TGA), field-emission scanning electron microscopy (FE-SEM) image, transmission electron microscope (TEM) image, inductively coupled plasma (ICP) analysis, X-ray diffraction (XRD) pattern and vibrating sample magnetometer (VSM) curve. The performance of the Fe3O4/HNTs as a heterogeneous catalyst was investigated in the synthesis of 4H-pyran derivatives. The high efficiently, mild reaction condition, green solvents and using the eco-friendly and recoverable catalyst are the most advantages of the present work. Moreover, the simple separation and reuse of the Fe3O4/HNTs nanocatalyst were confirmed stability and efficiency of the catalyst after 7 runs.

引用

页码：2789 / 2798

页数：10

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