反应详情

温度

50 °C

To a mixture of 4-fluoro-N-methyl-3-nitrobenzenesulfonamide (1.6 g, 6.83 mmol) in THF (50 mL) under nitrogen, Pd/C (0.600 g) was added. The flask was then evacuated and recharged with hydrogen. The resulting mixture was allowed to stir under a hydrogen atmosphere overnight at 50° C. The mixture was then filtered and concentrated to afford 3-amino-4-fluoro-N-methylbenzenesulfonamide (1.25 g, 89%) as an off-white solid. 1H NMR (400 MHz, DMSO-d6) δ 7.26 (q, J=4.85 Hz, 1H), 7.13-7.22 (m, 2H), 6.90 (ddd, J=2.38, 4.27, 8.41 Hz, 1H), 5.63 (s, 2H), 2.40 (d, J=5.02 Hz, 3H); MS (m/z) 205.1 (M+H+)

1. customThe flask was then evacuated
2. filtrationThe mixture was then filtered
3. concentrationconcentrated