Journal of Molecular Catalysis A-Chemical, Vol.217, No.1-2, 47-50, 2004
In(OTf)(3)-catalysed one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones
A variety of aldehydes reacted in one-pot with ethyl or methyl acetoacetate and urea or thiourea in the presence of 2 mol% In(OTf)(3) furnishing the corresponding dihydropyrimidinones or their thio analogues in very good to excellent yields. (C) 2004 Elsevier B.V. All rights reserved.