A Fast, Highly Efficient and Green Protocol for One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles Catalyzed by [TBA]2[W6O19] as a Reusable Heterogeneous Catalyst 


Vol. 34,  No. 5, pp. 1508-1512, May  2013
10.5012/bkcs.2013.34.5.1508


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  Abstract

A simple and efficient synthesis of 2,4,5-trisubstituted imidazoles was achieved via a one-pot three-component cyclocondensation of benzil, aromatic aldehydes, and ammonium acetate in the presence of a catalytic amount of tetrabutylammonium hexatungstate [TBA]2[W6O19] as a heterogeneous catalyst under thermal solvent-free conditions. The key features of this methodology are operational simplicity, high yields, short reaction times, and a recyclable catalyst with a very easy work up.

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  Cite this article

[IEEE Style]

M. Ashrafi and A. D. a. N. Tavakoli-Hoseini, "A Fast, Highly Efficient and Green Protocol for One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles Catalyzed by [TBA]2[W6O19] as a Reusable Heterogeneous Catalyst," Bulletin of the Korean Chemical Society, vol. 34, no. 5, pp. 1508-1512, 2013. DOI: 10.5012/bkcs.2013.34.5.1508.

[ACM Style]

Mozhgan Ashrafi and Abolghasem Davoodnia and Niloofar Tavakoli-Hoseini. 2013. A Fast, Highly Efficient and Green Protocol for One-Pot Synthesis of 2,4,5-Trisubstituted Imidazoles Catalyzed by [TBA]2[W6O19] as a Reusable Heterogeneous Catalyst. Bulletin of the Korean Chemical Society, 34, 5, (2013), 1508-1512. DOI: 10.5012/bkcs.2013.34.5.1508.

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ISSN(Print) 0253-2964
ISSN(Online) 1229-5949