Synthesis and spectroscopic characterisation of 4,5-dihydro-[1,2,3]triazolo[5,1-f][1,2,4]triazines. A novel condensed heterocyclic ring system

Article abstract of DOI:10.1002/jhet.5570330311

The reaction of the 5-bromomethyl-1-dibenzoylamino-1,2,3-triazole (5) with aromatic amines gave the corresponding 5-arylaminomethyl-1-benzoylamino-1,2,3-triazoles 9, which on treatment with phosphorus pentachloride gave the [1,2,3]triazolo[5,1-f][1,2,4]tr