Twelve[1,2,4]-triazolo[1,5-a]pyrimidine derivatives had been designed and synthesized by using substituted hydrazine hydrate as starting materials.The synthesized compounds were confirmed by elemental analysis,Infrare...Twelve[1,2,4]-triazolo[1,5-a]pyrimidine derivatives had been designed and synthesized by using substituted hydrazine hydrate as starting materials.The synthesized compounds were confirmed by elemental analysis,Infrared spectra and 1H NMR techniques.Preliminary bioassay indicated that some of them displayed good herbicidal activities.展开更多
文摘Twelve[1,2,4]-triazolo[1,5-a]pyrimidine derivatives had been designed and synthesized by using substituted hydrazine hydrate as starting materials.The synthesized compounds were confirmed by elemental analysis,Infrared spectra and 1H NMR techniques.Preliminary bioassay indicated that some of them displayed good herbicidal activities.