Phosphoric Acid → 3,4-Dimethylpyrazolium dihydrogen phosphate
Reaction equation
[CH3:1][C:2]1[C:6]([CH3:7])=[CH:5][NH:4][N:3]=1.[P:8](=[O:12])([OH:11])([OH:10])[OH:9]>O>[P:8]([O-:12])([OH:11])([OH:10])=[O:9].[CH3:1][C:2]1[NH:3][NH+:4]=[CH:5][C:6]=1[CH3:7]Participants
4
Reactant 2
Product 1
Reagents, catalysts & solvents 1
Procedure
96 g (1.0 mol) of 3,4-dimethylpyrazole were dissolved in 115 g (1.0 mol) of phosphoric acid (85%) at room temperature. The water contained in the phosphoric acid was evaporated. After a few hours, the title compound crystallized out from the oil initially present (yield 98%).
Workup
- customwas evaporated
- waitAfter a few hours
- customthe title compound crystallized out from the oil initially present (yield 98%)
Sources & evidence
- ORD record
- ord-b8594d8a3d894745b315369d62152693
- Source dataset
- uspto-grants-2004_10
- Patent number
- US06802882B2
Reaction notes
Loading…