naphthoquinones and 6 heterocycle-fused naphthoquinones, as well as evaluation of their
trypanocidal and leishmanicidal activities. Compounds 11a and 13a were active against the
amastigote stage of T. cruzi and showed low cytotoxic effects. With respect to leishmanicidal
assays, all compounds were inactive against the promastigote stages of L. chagasi and L.
braziliensis.