A planar tetradentate dinuclear ligand , 3 , 5 - bis ( 2 - pyridyl ) pyrazole , was synthesized by a three - step reaction of esterification , condensation and addition 以2 -吡啶甲酸为原料，经酯化、缩合、加成合成了平面四齿双核配体3 ， 5 -二（ 2 -吡啶基）吡唑。
2.
Current status of application , development and prospect of pyrazole & insecticides were briefly reviewed in this paper . the structures 、 bioactivities 、 registers 、 and manufacturers of mentioned pyrazole & pyrrole insecticides were also involved 摘要本文对吡唑类、吡咯类杀虫剂的开发现状及应用前景进行了简要的介绍。文中涉及吡唑类、吡咯类、杀虫剂的化学结构、生物活性、登记与专利和开发公司等。
