Fe3O4@B-MCM-41: A new magnetically recoverable nanostructured catalyst for the synthesis of polyhydroquinolines

被引：51

作者：

Abdollahi-Alibeik, Mohammad ^{[1
]}

Rezaeipoor-Anari, Ali ^{[1
]}

机构：

[1] Yazd Univ, Dept Chem, Yazd 8915813149, Iran

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2016年 / 398卷

关键词：

B-MCM-41; Magnetite; Nanostructurecl; Mesoporous silica; Polyhydroquinoline; Fe3O4; SOLID ACID CATALYST; ONE-POT SYNTHESIS; SOLVENT-FREE; EFFICIENT CATALYST; NANOPARTICLES; PARTICLES; MCM-41; DERIVATIVES; ALDEHYDES; FE3O4;

D O I：

10.1016/j.jmmm.2015.09.048

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Boron modified MCM-41 with magnetite core (Fe3O4@B-MCM-41) as a new magnetically recoverable heterogeneous catalyst was prepared and characterized by SEM, TEM, BET, XRD, VSM and FT-IR techniques. The catalytic activity of Fe3O4@B-MCM-41 was investigated in the four-component reaction of aldehyde, dimedone, active methylene compounds and ammonium acetate for the synthesis of poly-hydroquinolines. According to optimization and characterization results the catalyst with Si:B:Fe3O4 mole composition of 40:4:1 has the best activity. The catalyst could be recovered easily by external magnet and has excellent reusability many times without significant decrease of activity. (C) 2015 Elsevier B.V. All rights reserved.

引用

收藏

页码：205 / 214

页数：10

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