A pharmacophore for increasing HDLC was proposed based on common structural features of non-thio-containing compounds with HDLC enhancing properties. A search of the compound database identified various series of these non-thio-containing compounds, including a novel tricyclic imidazoisoquinolone. Preparation of l-aryl-3-oxo-1, 3-dihydro-2- benzofuran-1-carboxamides using a novel and widely applicable one-step process from 2 ...