Three Diketopiperazines from the Cultivated FungusFusarium oxysporum

Abstract Three bioactive diketopiperazines, cyclo-(L-prolyl-L-glycine), cyclo-(L-prolyl-L-valine) and cyclo-(L-leucyl-L-proline) were isolated from the phytopathogen fungus Fusarium oxysporum. Key Words: Fusarium oxysporum phytotoxic fungal metabolites cyclo-(L-prolyl-L-glycine) cyclo-(L-prolyl-L-valine) cyclo-(L-leucyl-L-proline)