A simple and straightforward methodology for the parallel, solution-phasesynthesis of a new series of S-DABO derivatives 1 and 2, bearing aromatic substituents at the C2 and C6 positions, has been developed. Starting from potassium ethyl malonates 3, thiouracil intermediates 5 were prepared through parallelsynthesis and isolated as pure products by simple extraction with ethyl acetate. Selective