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

HRID 341790Notes

Reaction equation

HRID 341790 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]=1

Participants

5

Reactant 2

HCID 883363-Amino-1,2,4-benzotriazineHCID 23668193Sodium Nitrite

Product 1

HCID 178518867HCID 178518867, compoundYield 55%

Reagents, catalysts & solvents 2

HCID 962WaterSolvent2×HCID 1118Sulfuric AcidSolvent

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

  1. customat room temp.

Sources & evidence

ORD record
ord-3dd35cdf97424050925acbf3ebc295f7
Source dataset
uspto-grants-1999_01
Patent number
US05856325

Reaction notes

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