反应详情

4-(benzyloxy)-3-nitropyridine (15 g, 65 mmol, 1 eq) was dissolved in THF, then Raney Nickel (2.25 g, 10% w/w) (washed with THF) was added under nitrogen atmosphere and the reaction was stirred at room temperature with 2 kg hydrogen pressure for 6 h. The reaction solution was filtered through celite and the filtrate was concentrated under vacuum to get brown oil. The product was taken to the next step without purification. Yield: 12.3 g (94%). 1HNMR (400 MHz, DMSO-d6): δ 4.86 (s, 2H), 5.18 (s, 2H), 6.88 (d, 1H, J=5.32 Hz), 7.31 (t, 1H, J=3.90 Hz), 7.4 (t, 2H, J=5.08 Hz), 7.5 (t, 2H, J=8.08 Hz), 7.71 (d, J=2.05 Hz, 1H), 7.89 (s, 1H).

1. filtrationThe reaction solution was filtered through celite
2. concentrationthe filtrate was concentrated under vacuum
3. customto get brown oil
4. customThe product was taken to the next step without purification