Synthesis and characterization of a novel Fe3O4@SiO2/bipyridinium dichloride nanocomposite and its application as a magnetic and recyclable phase-transfer catalyst in the preparation of β-azidoalcohols, β-cyanohydrins, and β-acetoxy alcohols

被引：11

作者：

Kiasat, Ali Reza ^{[1
]}

Chadorian, Faterneh ^{[1
]}

Saghanezhad, Seyyed Jafar ^{[2
]}

机构：

[1] Shahid Chamran Univ, Dept Chem, Fac Sci, Ahvaz 6135743169, Iran

[2] ACECR Prod Technol Res Inst, Ahvaz, Iran

来源：

COMPTES RENDUS CHIMIE | 2015年 / 18卷 / 12期

关键词：

Ring opening reaction; Epoxide; beta-Azidoalcohols; beta-Acetoxy alcohols; beta-Cyanohydrins; Magnetic nanocatalyst; CROSS-LINKED POLYACRYLAMIDE; IRON-OXIDE NANOPARTICLES; REGIOSELECTIVE AZIDOLYSIS; EFFICIENT CATALYST; FACILE SYNTHESIS; DOWEX RESIN; EPOXIDES; LIQUID; SILICA; WATER;

D O I：

10.1016/j.crci.2015.06.019

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

beta-Azidoalcohols, beta-cyanohydrins, and beta-acetoxy alcohols have been synthesized in the presence of a Fe3O4@SiO2/bipyridinium nanocomposite (Fe3O4@SiO2/BNC) as a novel magnetic and recyclable phase-transfer catalyst (PTC) in water. The catalyst was characterized with FT-IR, SEM, XRD, VSM, and TGA. This methodology offers several advantages, including easy work-up procedure, excellent regioselectivity, high yields, short reaction times, recyclable catalyst, easy separation of the catalyst through an external magnet and eco-friendly procedure. (C) 2015 Academie des sciences. Published by Elsevier Masson SAS. All rights reserved.

引用

页码：1297 / 1306

页数：10

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