Reacción #2383765

ord-54351648d1a842bba6dbadc6983a50e8

Ecuación de reacción

Cc1c[nH]nc1C
3,4-dimethylpyrazole
O=P(O)(O)O
phosphoric acid
O=P(O)(O)O
phosphoric acid
→
Cc1c[nH+][nH]c1C.O=P([O-])(O)O
3,4-dimethylpyrazolium dihydrogen phosphate
Rendimiento 98.0%

Reactantes

Cc1c[nH]nc1C
3,4-dimethylpyrazole
O=P(O)(O)O
phosphoric acid
O=P(O)(O)O
phosphoric acid

Reactivos

Ninguno

Disolventes

O
water

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Otrowas evaporated
  2. 2
    workup.WAITAfter a few hours
  3. 3
    Otrothe title compound crystallized out from the oil initially present (yield 98%)

Procedimiento

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%).

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US06488734B1uspto-grants-2002_12