3,6-Di-2-pyridyl-1,2,4,5-tetrazine undergoes solid-state reaction with fullerene C60 by high-speed vibration milling technique. It acts as electron-deficient diene in the inverse electron demand Diels Alder reaction. 3,6-Di-2-pyridyl-1,2,4,5-tetrazine (DPTZ) undergoes solvothermal reaction with CuSO4. 6H2O and Cu(Ac)2. H2O to afford copper containing coordination polymers. It reacts with enamine derivative of morpholine and 5-,6-,7- and 8-membered cyclic ketones to afford pyridazine derivatives.