Nano-Fe3O4-encapsulated silica particles bearing sulfonic acid groups as a magnetically separable catalyst for green synthesis of 1,1-diacetates

被引：21

作者：

Nemati, Firouzeh ^{[1
]}

Afkham, Mehrnoosh Golmohammadi ^{[1
]}

Elhampour, Ali ^{[1
]}

机构：

[1] Semnan Univ, Dept Chem, Semnan, Iran

来源：

GREEN CHEMISTRY LETTERS AND REVIEWS | 2014年 / 7卷 / 01期

关键词：

acylal; magnetic nanoparticles; heterogeneous catalyst; solvent-free; CHEMOSELECTIVE SYNTHESIS; HIGHLY EFFICIENT; HETEROGENEOUS CATALYST; AROMATIC-ALDEHYDES; REUSABLE CATALYST; DEPROTECTION; ACYLALS; NANOPARTICLES; CONVENIENT; HCLO4-SIO2;

D O I：

10.1080/17518253.2014.895864

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Sulfonic acid-functionalized silica-coated nano-Fe(3)O(4)particles (Fe3O4@SiO2-SO3H) serve as a novel heterogeneous catalyst for the synthesis of acylals by direct condensation of aldehydes with acetic anhydride under solvent-free conditions at room temperature in short reaction times and excellent yields. The catalyst could be easily separated from the final product using an external magnet and reused several times without consequential loss of reactivity.

引用

页码：79 / 84

页数：6

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