Water → HCID 19851154, compound

HRID 1606853Notes

Reaction equation

HRID 1606853 reaction equation
[NH2:1][C:2]1[CH:7]=[C:6]([O:8]C)[CH:5]=[C:4]([NH2:10])[C:3]=1[N+:11]([O-:13])=[O:12].O>Br>[NH2:10][C:4]1[CH:5]=[C:6]([OH:8])[CH:7]=[C:2]([NH2:1])[C:3]=1[N+:11]([O-:13])=[O:12]

Participants

4

Reactant 2

HCID 962WaterHCID 19851163HCID 19851163, compound

Product 1

HCID 19851154HCID 19851154, compound

Reagents, catalysts & solvents 1

HCID 260Hydrogen BromideSolvent

Procedure

1 g of 2,6-diamino-4-methoxynitrobenzene prepared as in example 1 was heated in 3 ml of 66% hydrobromic acid for 15 minutes over a boiling water bath. Upon addition of water the desired product precipitated as the hydrobromate. This was taken up into suspension in water then dissolved by addition of concentrated soda in order to enable elimination of an insoluble impurity by filtration in the presence of animal charcoal. The desired product precipitated from the filtrate on addition of concentrated hydrochloric acid. After filtration and vacuum drying in the presence of P2O5, the product decomposed at 264° C.

Sources & evidence

ORD record
ord-4978b7117e7444df9b4996588e8c4e25
Source dataset
uspto-grants-1989_09
Patent number
US04863482

Reaction notes

Loading…