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。