Reacción #170976

ord-42264802e0824e209a60887ea512f6f7

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Filtracióncrude 22 was filtered
  2. 2
    Otrodried
  3. 3
    Otrorecrystallised from a mixture of ethyl acetate:hexane (1:5)

Procedimiento

Methyl (4-nitrophenoxy)acetate 7 (100 g, 474 mmol) was refluxed in conc. HCl (1 L) for 8 hours. The reaction mass was cooled to room temperature and crude 22 was filtered, dried and recrystallised from a mixture of ethyl acetate:hexane (1:5) to give pure 22 (86 g, 92.1%) as a white shining powder with an m.p. between 186-188.5° C.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US08846845B2uspto-grants-2014_09