Reaktion #59832

ord-3c346d18f4f5487bbe9a2d98913b04a4

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Temperaturcooling
  2. 2
    TemperaturUnder ice-cooling
  3. 3
    Extraktionthe mixture was extracted with ethyl acetate
  4. 4
    WaschenThe organic layer was washed with water and saturated saline
  5. 5
    Trocknendried over anhydrous magnesium sulfate
  6. 6
    SonstigeThe solvent was evaporated under reduced pressure

Vorschrift

The compound of Example 68-4 (260 mg, 0.48 mmol) was dissolved in THF (5 ml), and thereto was added n-tetrabutylammonium fluoride (1 mol/liter in THF) (1.5 ml, 0.72 mmol) under ice-cooling. Under ice-cooling, the mixture was stirred for one hour, and thereto was added water, and the mixture was extracted with ethyl acetate. The organic layer was washed with water and saturated saline, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give the title compound.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07425642B2uspto-grants-2008_09