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Journal of Chemistry
Volume 2013, Article ID 235818, 5 pages
http://dx.doi.org/10.1155/2013/235818
Research Article

Bi-SO3H Functionalized Ionic Liquid Based on DABCO: New and Efficient Catalyst for Facile Synthesis of Dihydropyrimidinones

Department of Chemistry, Semnan University, Semnan 35131-19111, Iran

Received 25 May 2013; Revised 11 July 2013; Accepted 13 July 2013

Academic Editor: Angelo de Fatima

Copyright © 2013 Firouzeh Nemati and Sara G. Alizadeh. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A simple and efficient method for the one-pot Biginelli condensation reaction of aldehydes, β-dicarbonyl compounds, and urea or thiourea employing [DABCO](SO3H)2Cl2 as a novel ionic liquid catalyst is described.