反应详情

Sodium hydride (4.22 g, 60%, 106 mmol) was added portionwise to a solution of N-(4-fluoro-3-nitrophenyl)acetamide (13.9 g, 70 mmol) in THF (200 mL) at 0° C. Stirring for 20 min, iodomethane (18.5 g, 130 mmol) was added. The reaction mixture was stirred at room temperature for 2 h, quenched with saturated NaHCO3 (30 mL) and extracted with EtOAc (3×100 mL). The combined organic phases were washed with saturated NaCl (2×50 mL). After filtration and concentration, 13.1 g (88%) of the title compound was obtained as a yellow solid. 1H NMR (400 MHz, CHLOROFORM-D): δ 1.92 (s, 3 H), 3.30 (s, 3 H), 7.38 (s, 1 H), 7.52 (s, 1 H), 7.95 (s, 1 H).

1. stirringThe reaction mixture was stirred at room temperature for 2 h
2. customquenched with saturated NaHCO3 (30 mL)
3. extractionextracted with EtOAc (3×100 mL)
4. washThe combined organic phases were washed with saturated NaCl (2×50 mL)
5. filtrationAfter filtration and concentration