Magnetic core-shell nanoparticle-supported Sc (III): A novel and robust Lewis acid nanocatalyst for the selective oxidation of sulfides to sulfoxides by H2O2 under solvent-free conditions

被引：7

作者：

Khaledian, Donya ^{[1
]}

Rostami, Amin ^{[1
]}

Rouhani, Shamileh ^{[1
,2
]}

机构：

[1] Univ Kurdistan, Fac Sci, Dept Chem, Sanandaj 6617715175, Iran

[2] Univ South Africa, Coll Sci Engn & Technol, Nanoteclmol & Water Sustainabil Res NanoWS Unit, ZA-1709 Johannesburg, South Africa

来源：

CATALYSIS COMMUNICATIONS | 2019年 / 124卷

关键词：

Magnetic nanoparticles; Scandium triflate; Hydrogen peroxide; Sulfides; Sulfoxides; CHEMOSELECTIVE OXIDATION; HIGHLY EFFICIENT; CATALYST; SCANDIUM; POLYMER; METAL;

D O I：

10.1016/j.catcom.2019.02.021

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：

For the first time scandium triflate was supported on modified Fe3O4 magnetic nanoparticles [MNPs-PhSO3-Sc(OTf2] and characterized using scanning electron microscopy (SEM), inductively coupled plasma analysis (ICP), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDX) and vibrating sample magnetometer (VSM) techniques. The MNPs-PhSO3-Sc(OTf)(2) was applied as a magnetically recyclable heterogeneous Lewis acid nanocatalyst for the selective oxidation of a variety of sulfides to sulfoxides using hydrogen peroxide as a green oxidant resulting in 90-98% yields under solvent-free conditions at room temperature. It could also be recovered and reused for at least 15 reaction cycles without considerable loss of activity.

引用

页码：46 / 50

页数：5