Novel Approach to Benzimidazoles Using Fe3O4 Nanoparticles as a Magnetically Recoverable Catalyst

被引：29

作者：

Karami, Bahador ^{[1
]}

Nikoseresht, Shaghayegh ^{[2
]}

Khodabakhshi, Saeed ^{[1
]}

机构：

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

[2] Islamic Azad Univ, Gachsaran Branch, Dept Chem, Gachsaran, Iran

来源：

CHINESE JOURNAL OF CATALYSIS | 2012年 / 33卷 / 02期

关键词：

ferroferric oxide nanoparticle; 1,2-phenylenediamine; orthoester; benzimidazole; ACID; DESIGN;

D O I：

10.1016/S1872-2067(11)60329-X

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Magnetically recoverable Fe3O4 nanoparticles have been synthesized as a catalyst for the cyclocondensation of 1,2-phenylenediamines with orthoesters under solvent-free conditions. Catalyst loadings can be as low as 1 mol% to give high yields of the corresponding benzimidazole derivative at 80 degrees C. This green method offers significant advantages in terms of its simplicity, low catalyst loadings, high product yields, and non-toxic nature. The Fe3O4 nanoparticles were characterized by X-ray diffraction, transmission electron microscopy, and Fourier transform infrared spectroscopy.

引用

页码：298 / 301

页数：4

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