Reaktion #155807

ord-afbcb5a5402d41c8b65215815e8b53b3

Lösungsmittel

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    EinengenThe reaction mixture was concentrated
  2. 2
    workup.ADDITIONThe obtained residue was added by 2N hydrochloric acid
  3. 3
    Extraktionextracted with ethyl acetate
  4. 4
    WaschenThe extract was washed with saturated brine
  5. 5
    Trocknendried over anhydrous sodium sulfate
  6. 6
    Einengenconcentrated

Vorschrift

To a solution of the compound 4 (1.13 g) in methanol (4 mL), an aqueous 2N sodium hydroxide solution (4 mL) was added. The reaction mixture was stirred at room temperature for 3 hours. The reaction mixture was concentrated. The obtained residue was added by 2N hydrochloric acid and then extracted with ethyl acetate. The extract was washed with saturated brine, dried over anhydrous sodium sulfate and then concentrated to obtain the title compound having the following physical properties.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US08822459B2uspto-grants-2014_09