Phosphoric Acid → 202842-98-6

HRID 2296583Notes

Reaction equation

HRID 2296583 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

HCID 1004Phosphoric Acid2×HCID 178430906HCID 178430906, compound

Product 1

HCID 71435873202842-98-6Yield 98%

Reagents, catalysts & solvents 1

HCID 962WaterSolvent

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

  1. customwas evaporated
  2. waitAfter a few hours
  3. customthe title compound crystallized out from the oil initially present (yield 98%)

Sources & evidence

ORD record
ord-54351648d1a842bba6dbadc6983a50e8
Source dataset
uspto-grants-2002_12
Patent number
US06488734B1

Reaction notes

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