Jatrophane 3 (2R*,3R*, 4S*,5R*,7S*,8S*,9S*,l3S*,14S*,15R*)-2,5,14-triacetoxy-3-benzoyloxy-8,15-dihydroxy-7-isobutyroyloxy-9-nicotinoyloxyjatropha-6(17),11E-diene) exhibits significant antifeedant activity against a generalist plant-feeding insect, the cotton bollworm (Helicoverpa armigera), with an EC50 value of 0.43 ug/cm2.
Jatrophane 4 (2R*,3R*,4S*,5R*,7S*,8S*,9S*,l3S*,14S*,15R*)-2,5,9,14-Tetraacetoxy-3-benzoyloxy-8,15-dihydroxy-7-isobutyroyloxyjatropha-6(17),11E-diene) exhibits significant antifeedant activity against a generalist plant-feeding insect, the cotton bollworm (Helicoverpa armigera), with an EC50 value of 0.36 ug/cm2.