Zwitterionic-Type Molten Salt-Catalyzed Multicomponent Reactions: One-Pot Synthesis of Substituted Imidazoles Under Solvent-Free Conditions

被引：17

作者：

Bagdi, Matiur Rahman Avik Kr. ^{[1
]}

Kundu, Dhiman ^{[1
]}

Majee, Adinath ^{[1
]}

Hajra, Alakananda ^{[1
]}

机构：

[1] Visva Bharati Univ, Dept Chem, Santini Ketan 731235, W Bengal, India

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2012年 / 49卷 / 05期

关键词：

MICROWAVE IRRADIATION; 1,2,4,5-TETRASUBSTITUTED IMIDAZOLES; REUSABLE CATALYST; IONIC LIQUID; EFFICIENT; MILD; 1,2-DIKETONES; DERIVATIVES; ALDEHYDES;

D O I：

10.1002/jhet.924

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

4-(1-Imidazolium) butane sulfonate is an excellent catalyst for the synthesis of 2,4,5-trisubstituted and 1,2,4,5-tetrasubstituted imidazoles through the condensation of 1,2-dicarbonyl compounds, aldehydes, and ammonium acetate or amine via multicomponent condensation strategy under solvent-free conditions. The key advantages of this process are high yields, reusability of catalyst, environmental friendliness, easy work-up and purification of products by nonchromatographic methods.

引用

页码：1224 / 1228

页数：5

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