Synthesis of 2-Substituted Benzimidazoles in the Presence of Polyaniline Nanoparticles Doped With 12-Tungstophosphoric Acid as Reusable Heterogeneous Catalyst

被引：5

作者：

Abdollahi-Alibeik, Mohammad ^{[1
]}

Moosavifard, Marzieh ^{[1
]}

Poorirani, Safoora ^{[1
]}

机构：

[1] Yazd Univ, Dept Chem, Yazd 89195741, Iran

来源：

SYNTHESIS AND REACTIVITY IN INORGANIC METAL-ORGANIC AND NANO-METAL CHEMISTRY | 2013年 / 43卷 / 10期

关键词：

12-tungstophosphoric acid; benzimidazole; doped polymer; nanoparticles; o-phenylenediamine; polyaniline; CHEMOSELECTIVE DEHYDROGENATION; POTASSIUM-PERMANGANATE; EFFICIENT SYNTHESIS; 2-IMIDAZOLINES; BENZYLATION; MILD;

D O I：

10.1080/15533174.2012.761233

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Polyaniline nanoparticles doped with 12-tungstophosphoric acid was prepared with different loading amounts of 12-tungstophosphoric acid. Doped polyaniline was characterized by XRD, SEM, and FT-IR techniques and the Keggin anion of heteropoly acid was detected on the polymer. Doped polymer was used as heterogeneous solid acid catalyst for the synthesis of 2-substituted benzimidazoles by the reaction of o-phenylenediamine with various types of aldehydes. The activity and reusability of the catalyst were found to be good.

引用

页码：1365 / 1371

页数：7

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