反応 #62404

ord-d239774155d24cce85ad6d774c49788d

反応条件

詳細条件
See reaction.notes.procedure_details.

後処理

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

実験手順

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.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US07429609B2uspto-grants-2008_09