J. Iran. Chem. Soc., Vol. 8, No. 4 December 2011, pp.1120~1134.

Current location: JICS Archive > Vol. 8 > No. 4 > Articles : 27

Synthesis of Highly Substituted Imidazoles Using Brønsted Acidic Ionic Liquid, Triphenyl(propyl-3-sulphonyl)phosphonium Toluenesulfonate, as Reusable Catalyst

H.R. Shaterian*, M. Ranjbar and K. Azizi

Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran

Brønsted acidic ionic liquid, triphenyl(propyl-3-sulphonyl)phosphonium toluenesulfonate, 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 solvent-free conditions in excellent yields.

Keywords: Triphenyl(propyl-3-sulphonyl)phosphonium toluenesulfonate, 2,4,5-Trisubstituted imidazoles, 1,2,4,5-Tetrasubstituted imidazoles, Solvent-free, Ionic liquid

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