The structural modification of bioactive nature products from plants is a very efficient way in new pesticide discovery. Stellera chamaejasma L., which is a kind of traditional plant in China, drawed many chemists' attentions for its wide pharmaceutical and agricultural bioactivities. In order to explore novel Daphneolone analogues with high activities, using Daphneolone A- (E)-1,5-diphenyl-2-penten-l-one from Stellera chamaejasma L. as the lead compound, four series with 131 compounds were designed and syn...