A highly efficient and reusable heterogeneous catalyst for the one-pot synthesis of tetrasubstituted imidazoles

被引：36

作者：

Mohammadi, Ali ^{[1
]}

Keshvari, Hossein ^{[2
]}

Sandaroos, Reza ^{[3
]}

Maleki, Behrooz ^{[2
]}

Rouhi, Hamed ^{[1
]}

Moradi, Hassanali ^{[1
]}

Sepehr, Zeinalabedin ^{[2
]}

Damavandi, Saman ^{[4
]}

机构：

[1] Ferdowsi Univ Mashhad, Fac Sci, Dept Chem, Mashhad, Iran

[2] Hakim Sabzevari Univ, Dept Chem, Sabzevar, Iran

[3] Univ Birjand, Fac Sci, Dept Chem, Birjand, Iran

[4] Islamic Azad Univ, Sarvestan Branch, Dept Chem, Sarvestan, Iran

来源：

APPLIED CATALYSIS A-GENERAL | 2012年 / 429卷

关键词：

1,2,4,5-Tetrasubstituted imidazoles; Solvent-free synthesis; Multicomponent reaction; Poly(AMPS-co-AA); Heterogeneous catalysts; MICROWAVE IRRADIATION; SILICA-GEL; 2,4,5-TRIARYL-1H-IMIDAZOLES; ACID; ALDEHYDES;

D O I：

10.1016/j.apcata.2012.04.011

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：

An efficient synthesis of 1,2,4,5-tetrasubstituted imidazoles is achieved by four component cyclocon-densation of benzil or benzoin, aniline or benzyl amine, aldehyde and ammonium acetate by using novel polymeric catalyst [poly(AMPS-co-AA)] under solvent-free conditions. The key advantages of this process are high yields, shorter reaction times, easy work-up, purification of products by non-chromatographic method and the reusability of the catalyst. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：73 / 78

页数：6

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