New synthesis of 1,2,3,6,7,11b-hexahydro-4H-pyrimido[6,1-a]isoquinolin-4-ones and 2,3,6,7,12,12b-hexahydropyrimido[1',6':1,2]pyrido[3,4-b]indol-4(1H)-ones
Abstract
The title compounds were synthesised by the interaction of α,β-unsaturated carbonyl compounds with N-phenylethyl- and N-[2-(1H-indol-3-yl)ethyl]ureas.