Reaktion #62404

ord-d239774155d24cce85ad6d774c49788d

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Aufarbeitung

  1. 1
    workup.DISTILLATIONExcess acetic anhydride was distilled off under reduced pressure
  2. 2
    Waschenthe precipitated crystals were washed with water

Vorschrift

73.6 mL of acetic anhydride was added with 80.0 g of 4-bromo-5-fluoro-2-methylphenylamine at room temperature, and stirred at this temperature for 10 minutes. Excess acetic anhydride was distilled off under reduced pressure, and the precipitated crystals were washed with water, to afford 77.6 g of the title compound as colorless crystal.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US07429609B2uspto-grants-2008_09