Acetic Acid → N-{[4-(Trifluoromethoxy)phenyl]methyl}acetamide

Beteiligte Stoffe

Reaktionsschritte

To a solution of 4-(trifluoromethoxy)benzylamine (3.46 g, 57.6 mmol) in DMF (75 mL) and acetic acid (10.0 g, 52.3 mmol) at −10° C. were added O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate (20.2 g, 62.8 mmol) and N,N-diisopropylethylamine (20.0 mL, 115 mmol) and the reaction mixture was stirred at room temperature overnight. Ethyl acetate (200 mL) was added and the organic phase was washed with water (100 mL), 0.25 M NaOH (100 mL), saturated aqueous NaHCO3 (100 mL), water (100 mL), 0.5 M HCl (100 mL), and water (100 mL), dried over MgSO4, and concentrated in vacuo to afford 11.2 g (92%) of a colourless oil.

Herkunft & Nachweise