Author/Authors :
Reddy، نويسنده , , Ch.Venkateshwar and Mahesh، نويسنده , , M and Raju، نويسنده , , P.V.K and Babu، نويسنده , , T.Ramesh and Reddy، نويسنده , , V.V.Narayana، نويسنده ,
Abstract :
Zirconium tetrachloride catalyzes efficiently the three component condensation reaction of an aromatic aldehyde, a β-ketoester and urea in refluxing ethanol to afford the corresponding dihydropyrimidinone in high yield.
Keywords :
zirconium tetrachloride , ?-Ketoesters , Dihydropyrimidinones , Biginelli reaction
