Reacción #1689799

ord-e70ead4d1f9b4d6e8e9a349a68ad71b6

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: US05981546uspto-grants-1999_11