Reaktion #341842

ord-e6a7bb9ec6aa42a19cf424eb65b7e9ec

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    Temperaturto reflux
  2. 2
    Einengenconcentrated under reduced pressure
  3. 3
    workup.ADDITIONThe residue was diluted with 5 mL of toluene
  4. 4
    Einengenconcentrated under reduced pressure three times

Vorschrift

A solution of Example 81B (0.1 g, 0.55 mmol) in 5 mL of thionyl chloride was warmed to reflux and stirred for 2 hours. The mixture was cooled to ambient temperature and concentrated under reduced pressure. The residue was diluted with 5 mL of toluene and concentrated under reduced pressure three times to afford the title compound, which was used without additional purification or characterization.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07875640B2uspto-grants-2011_01