[Fe3O4@SiO2@(CH2)3im]C6F5O as a New Hydrophilic and Task-Specific Nanomagnetic Catalyst: Application for Synthesis of β-Azido Alcohols and Thiiranes under Mild and Green Conditions

被引：10
作者：
Afsar, Javad [1 ]
Zolfigol, Mohammad Ali [1 ]
Khazaei, Ardeshir [1 ]
机构：
[1] Bu Ali Sina Univ, Fac Chem, Dept Organ Chem, Hamadan 6517838683, Iran
来源：
CHEMISTRYSELECT | 2018年 / 3卷 / 39期
基金：
美国国家科学基金会;
关键词：
beta-Azido alcohols; Nanomagnetic catalyst; Ring opening of epoxides; Synthesis of thiiranes; PHASE-TRANSFER CATALYST; SOLVENT-FREE CONDITIONS; RECOVERABLE OSMIUM CATALYSTS; SUPPORTED ALUMINUM-CHLORIDE; EFFICIENT CATALYST; AMMONIUM THIOCYANATE; FREE CONVERSION; ACETIC-ACID; REUSABLE CATALYST; HIGHLY EFFICIENT;
D O I：
10.1002/slct.201802118
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
[Fe3O4@SiO2@(CH2)(3)im]C6F5O was designed, synthesized and characterized by various techniques such as Fourier transform spectroscopy infrared (FT-1R), X-ray diffraction patterns (XRD), Field scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX) and vibrating sample magnetometer (VSM). The described novel hydrophilic nanomagnetic particles were applied as an efficient and reusable catalyst in the ring opening of epoxides using sodium azide for the preparation of beta-azido alcohols. Conversion of epoxides to their thiiranes in water by using potassium thiocyanate in the presence of a catalytic amount of mentioned nanomagnetic catalyst was also carried out
引用
收藏
页码：11134 / 11140
页数：7
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