A selection of the available pyrones (1, 2, 7, 9, 10) were evaluated for their ability to inhibit the function of three recombinant enzymes (PfFabG, PfFabI and PfFabZ) of P. falciparum fatty acid biosynthesis while the full set of compounds were evaluated against one enzyme from M. tuberculosis (InhA¼MtFabI)