Mo(VI) complex supported on Fe3O4 nanoparticles: magnetically separable nanocatalysts for selective oxidation of sulfides to sulfoxides

被引：20
|
作者：
Keypour, Hasan [1 ]
Balali, Masomeh [1 ]
Haghdoost, Mohammad Mehdi [2 ]
Bagherzadeh, Mojtaba [2 ]
机构：
[1] Bu Ali Sina Univ, Hamedan Dept Chem, Dept Chem, Hamadan, Iran
[2] Sharif Univ Technol, Dept Chem, Tehran, Iran
来源：
RSC ADVANCES | 2015年 / 5卷 / 66期
关键词：
RECYCLABLE CATALYST; IRON-OXIDE; EPOXIDATION; EFFICIENT; FUNCTIONALIZATION; MO;
D O I：
10.1039/c5ra08653a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A molybdenum complex, [MoO2Cl2(DMSO)(2)], was immobilized on amino propyl and Schiff base modified magnetic Fe3O4@ SiO2 nanoparticles by covalent linkage. The resulting nanoparticles were used as efficient and recyclable catalysts for the selective oxidation of sulfides to sulfoxides using urea hydrogen peroxide as the oxidant. The complete characterization of catalysts was carried out by means of thermogravimetric analysis (TGA), scanning electron microscopy (SEM), transmission electron microscopy (TEM), vibrating sample magnetometry (VSM), X-ray photoelectron spectroscopy (XPS), elemental analysis, FT-IR and Raman microprobe techniques.
引用
收藏
页码：53349 / 53356
页数：8
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