Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... An expedient one-pot synthesis of fused bicyclic 2,3-diaryl-pyrimidin-4(3H)-ones from three readily available components is described. The key step is a Lewis acid assisted cyclization reaction. ... An expedient one-pot synthesis of fused bicyclic 2,3-diaryl-pyrimidin-4(3H)-ones is described. The key ...