Reacción #409682

ord-98c32b679d4a4539b2b8f96a99535b64

Disolventes

Condiciones de reacción

Condiciones detalladas
See reaction.notes.procedure_details.

Tratamiento posterior

  1. 1
    Temperaturaat reflux for 1 hr
  2. 2
    OtroThe cooled reaction mixture
  3. 3
    Lavadowashed with sat. NaHCO3 and brine
  4. 4
    Otrodried
  5. 5
    Concentración(MgSO4), and concentration

Procedimiento

A solution of 2-4 (1.1 g, 3.9 mmol), p-TSA (5 mg) and acetone (50 mL) was heated at reflux for 1 hr. The cooled reaction mixture was diluted with EtOAc and then washed with sat. NaHCO3 and brine, dried (MgSO4), and concentration to afford 2-5 as a yellow oil.

Fuente

DOI: 10.6084/m9.figshare.5104873.v1Patente: US06211184B1uspto-grants-2001_04