3-Amino-1,2,4-benzotriazine → HCID 178518867, compound

Participants

Reaction Steps

To a solution of 2.0 g (14 mmol) 1,2,4-benzotriazine-3-amine in 30 ml water and 3 ml conc. sulphuric acid one adds dropwise at 10° C. a solution of 1 g sodium nitrite in 10 ml water. One stirs for 4 b at room temp., filters off the residue and dries. One obtains 1.1 g of title compound (55% of theory) of the m.p. 204-206° C.

Provenance & Evidence