3-Amino-1,2,4-benzotriazine → HCID 178518867, compound
Reaction equation
[N:1]1[C:6]2[CH:7]=[CH:8][CH:9]=[CH:10][C:5]=2[N:4]=[C:3](N)[N:2]=1.N([O-])=[O:13].[Na+]>O.S(=O)(=O)(O)O>[N:1]1[C:6]2[CH:7]=[CH:8][CH:9]=[CH:10][C:5]=2[N:4]=[C:3]([OH:13])[N:2]=1Participants
5
Reactant 2
Product 1
Reagents, catalysts & solvents 2
Procedure
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.
Workup
- customat room temp.
Sources & evidence
- ORD record
- ord-3dd35cdf97424050925acbf3ebc295f7
- Source dataset
- uspto-grants-1999_01
- Patent number
- US05856325
Reaction notes
Loading…