Preparation and characterization of silica-supported magnetic nanocatalyst and application in the synthesis of 2-amino-4H-chromene-4-carboxylate and 2-amino-5H-pyrano[3,2-c]chromene-4-carboxylate derivatives

被引：0
|
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
来源：
19TH INTERNATIONAL ELECTRONIC CONFERENCE ON SYNTHETIC ORGANIC CHEMISTRY | 2015年
关键词：
Nanocatalyst; MCRs; Fe3O4; SiO2; Chromene;
D O I：
10.3390/ecsoc-19-a017
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An efficient, one-pot multicomponent procedure for preparation of 2-amino-3-cyano-4H-chromene-4-carboxylate and 2-amino-3-cyano-5H-pyrano[3,2-c]chromene-4-carboxylate using amine-functionalized silica-coated magnetic nanoparticles as a facile prepared, easily recoverable and heterogeneous nanocatalyst was investigated. The catalyst was characterized successfully by Fourier transforms infrared spectroscopy (FT-IR), scanning electron microscopy (SEM) and energy-dispersive X-ray spectroscopy (EDX) analyses. No significant decrease in catalytic activity is another major point of this reusable nanocatalyst.
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页数：5
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