“…In our ongoing research on leishmaniasis [17][18][19][20] , we synthesized 29 imidazolones, 1-29, by treating different oxazolones with varyingly substituted aromatic amines. In a typical reaction, a mixture of differently substituted E-oxazolones [21][22][23] (1 mmol) and substituted aromatic amines (1.1 mmol) in anhydrous pyridine were irradiated by microwaves to afford compounds 1-29.…”