A. Davoodnia, M. Heravi, Zahra Safavi-Rad
Aug 5, 2010
Citations
0
Influential Citations
77
Citations
Quality indicators
Journal
Synthetic Communications
Abstract
3-Methyl-1-(4-sulfonic acid)butylimidazolium hydrogen sulfate [(CH2)4SO3HMIM][HSO4], a Brønsted acidic ionic liquid, has been used as an efficient, green, and reusable catalyst for the synthesis of 1,2,4,5-tetrasubstituted imidazoles using benzil, an aromatic aldehyde, and a primary amine in the presence of ammonium acetate under solvent-free conditions. The catalyst could be recycled and reused several times without noticeably decreasing the catalytic activity.