An environmental friendly approach for the synthesis of highly substituted imidazoles using Bronsted acidic ionic liquid, N-methyl-2-pyrrolidonium hydrogen sulfate, as reusable catalyst

被引：95

作者：

Shaterian, Hamid Reza ^{[1
]}

Ranjbar, Mohammad ^{[1
]}

机构：

[1] Univ Sistan & Baluchestan, Fac Sci, Dept Chem, Zahedan, Iran

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2011年 / 160卷 / 01期

关键词：

N-methyl-2-pyrrolidonium hydrogen sulfate; 2,4,5-trisubstituted imidazoles; 12,4,5-tetrasubstituted imidazoles; Solvent-free; Ionic liquid; Catalyst; ONE-POT SYNTHESIS; SOLVENT-FREE SYNTHESIS; TETRASUBSTITUTED IMIDAZOLES; HETEROGENEOUS CATALYST; EFFICIENT CATALYST; HCLO4-SIO2; ALDEHYDES; SYSTEM;

D O I：

10.1016/j.molliq.2011.02.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Bronsted acidic ionic liquid, N-methyl-2-pyrrolidonium hydrogen sulfate, has been used as an efficient and reusable catalyst for the one-pot synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles under thermal solvent-free conditions in excellent yields. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：40 / 49

页数：10

共 43 条

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[Anonymous], 2009, INTRO IONIC LIQUIDS

[2]

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[3] BIOMIMETIC CHEMISTRY AND ARTIFICIAL ENZYMES - CATALYSIS BY DESIGN [J].