Title of article :
New environmentally friendly solvent free synthesis of dihydropyrimidinones catalysed by N-butyl-N,N-dimethyl-α-phenylethylammonium bromide
Author/Authors :
Rosi Reddy، نويسنده , , K. and Venkateshwar Reddy، نويسنده , , Ch. and Mahesh، نويسنده , , M. and Raju، نويسنده , , P.V.K. and Narayana Reddy، نويسنده , , V.V.، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2003
Abstract :
N-Butyl-N,N-dimethyl-α-phenylethylammonium bromide catalyzes efficiently the three component condensation reaction of an aromatic aldehyde, a β-keto ester and urea/thiourea under solvent free conditions at 100°C to afford the corresponding dihydropyrimidinone in high yield.
Keywords :
N-dimethyl-?-phenylethylammonium bromide , ?-Ketoesters , Biginelli reaction , Dihydropyrimidinones , N-butyl-N
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters