ChemInform Abstract: Synthesis of Novel 1,2,3,6-Tetraazapyrene Heterocyclic System Representatives - 3,8-Dihydropyrido[2′,3′,4′:4,5]naphtho[1,8-de] [1,2,3]triazin-7(6H)-ones

Three of the title compounds are synthesized in moderate yields by reaction of naphthotriazine (I) with β-nitrostyrenes.