Reaction #816362
ord-56c5ca59569d4210984d3c45cfc58b9f
Reaction equation
hydrogen peroxide
2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one dimethane sulphonate
2-methyl-1-naphthol
ammonia
→
3-amino-2-{[(1E)-3-methyl-4-oxonaphthalen-1(4H)-ylidene]amino}-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one
Reactants
Reagents
None
Conditions
Detailed conditions
See reaction.notes.procedure_details.
Procedure
0.58 mmol of 2,3-diamino-6,7-dihydro-1H,5H-pyrazolo[1,2-a]pyrazol-1-one dimethane sulphonate was dissolved in a mixture of water and ethanol (7.5 ml/1.5 ml). This solution was admixed with 0.58 mmol of 2-methyl-1-naphthol, then with 1.8 ml of concentrated aqueous ammonia, then with 9 ml of hydrogen peroxide.