Dense energetic compounds of C, H, N, and O atoms. III. 5‐[4‐nitro‐(1,2,5)oxadiazolyl]‐5H‐[1,2,3]triazolo[4,5‐c][1,2,5]oxadiazole

Abstract
Diazidoazofurazan 8 was obtained from the bis‐diazonium salt of diaminoazofurazan 7 by treatment with sodium azide and underwent thermolysis to 5‐[4‐azido‐(1,2,5)oxadiazolyl]‐5H‐[1,2,3]triazolo[4,5‐c][1,2,5] oxadiazole 5. The corresponding amine 13 was obtained from the azide 5 by reduction with stannous chloride and was oxidized by ammonium persulfate to 5‐[4‐nitro‐(1,2,5)oxadiazolyl]‐5H‐[1,2,3]triazolo[4,5‐c][1,2,5]oxadiazole 1. The azide 5 was converted to a phosphinimine 9 in a reaction with triphenylphosphine.