Preparation and characterization of silica-supported magnetic nanocatalyst and application in the synthesis of 2-amino-4H-chromene-3-carbonitrile derivatives

被引:53
|
作者
Maleki, Ali [1 ]
Azadegan, Sepide [1 ]
机构
[1] Iran Univ Sci & Technol, Dept Chem, Catalysts & Organ Synth Res Lab, Tehran 1684613114, Iran
关键词
Nanocatalyst; Fe3O4@SiO2; core-shell; multicomponent reaction; chromene; ONE-POT SYNTHESIS; SUPERPARAMAGNETIC NANOPARTICLES; MULTICOMPONENT SYNTHESIS; 3-COMPONENT SYNTHESIS; VERSATILE CATALYST; DRUG-DELIVERY; AMINO-ACID; EFFICIENT; FE3O4-AT-SIO2; HETEROCYCLES;
D O I
10.1080/24701556.2016.1241266
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Silica-supported magnetic nanoparticles were simply prepared in high yields and characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction, transmission electron microscopy, and energy-dispersive X-ray spectroscopy analyses. Then, Fe3O4@SiO2 core-shell was used as a reusable and efficient heterogeneous nanocatalyst in a one-pot three-component condensation of various aromatic aldehydes, malononitrile, and 1,3-dicarbonyl compounds to yield 2-amino-4-aryl-5-oxo-5,6,7,8-tetrahydro-4H-chromene-3-carbonitrile derivatives as worthy structures under mild reaction conditions and easy workup procedure.
引用
收藏
页码:917 / 924
页数:8
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