Research Article

1-Methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium Chloride as a New and Green Ionic Liquid Catalyst for One-Pot Synthesis of Dihydropyrimidinones under Solvent-Free Condition

Scheme 3

Mechanism of synthesis of 3,4-dihydropyrimidin-2(1H)-ones and -thiones.
834656.sch.003