Reacción #453280

ord-7b1bc6bd10c64b47a610c9001eedbdff

Disolventes

Condiciones de reacción

Temperatura
80°CELSIUS
Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    workup.ADDITIONmixed
  2. 2
    TemperaturaAfter heat generation
  3. 3
    Otroterminated
  4. 4
    Filtracióna precipitated crystal was recovered by filtration

Procedimiento

4.3 Grams of 4-hydroxy-2-fluorobenzoic acid and 8.4 g of anhydrous acetic acid were placed in a two-necked flask and mixed, and five drops of sulfuric acid was added with cooling with water. After heat generation terminated, the mixture was heated at 80° C. for 30 minutes. Then, the reaction mixture was discharged into cold water, and a precipitated crystal was recovered by filtration.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US06128065uspto-grants-2000_10