چكيده لاتين :
A one-pot three-component condensation of aromatic aldehydes, â-ketoesters and urea or thiourea, efficiently promoted in the
presence of Fe(HSO4)3 in solution and under solvent-free conditions, produced 3,4-dihydropyrimidin-2(1H)-ones. The method
offers several advantages including simple, easy and clean work-up procedure, relatively short reaction times and good to high
yields of the products