Reacción #55181

ord-0e264ee8ca3242d0adeab9a219e5a94e

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Temperaturaunder reflux with 1 ml
  2. 2
    OtroThe mixture is evaporated
  3. 3
    Lavadothe chloroform solution is washed with NaHCO3 solution
  4. 4
    Otrodried
  5. 5
    Otroevaporated

Procedimiento

2 g. of 3-(2',4'-difluoro-4-biphenylyl)butyric acid are heated under reflux with 1 ml. of concentrated H2SO4 and 30 ml. of n-butanol for 7 hours. The mixture is evaporated and taken up in chloroform and the chloroform solution is washed with NaHCO3 solution, dried and evaporated to give 3-(2',4'-difluoro-4-biphenylyl)butyric acid n-butyl ester.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US04151302uspto-grants-1979_04