Reacción #84174

ord-d8324f398a0c4032b9f244b496ce199f

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Temperaturato reflux for 5 h
  2. 2
    OtroAfter which time the solvent was evaporated
  3. 3
    Otrothe crude product triturated with isoxane/diethylether

Procedimiento

Compound 64 (633 mg, 2.7 mmol) and N,N-dimethylformamide dimethyl acetal (1.1 mL, 8.1 mmol) in toluene was heated to reflux for 5 h. After which time the solvent was evaporated and the crude product triturated with isoxane/diethylether to give compound 67 as an orange solid (222 mg, 35%); LCMS Rt=2.35 min (MeOH-FA method), m/z 236 (MH+).

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US09433622B2uspto-grants-2016_09