反应详情

4-Methylamino-3-nitrobenzonitrile (0.18 g, 1.0 mmol) was dissolved in EtOAc (10 mL) and placed in a closed vessel. 10% Pd/C (50 mg, 5 mol %) was added and the mixture was hydrogenated via a hydrogen-filled balloon that was affixed to the vessel. After 2 h the mixture was filtered through celite and the filtrate was concentrated under reduced pressure to yield the title product (0.14 g, 93%) as an off-white solid, which was used without further purification. 1H-NMR (CDCl3): δ 7.19 (1H, dd), 6.92 (1H, d), 6.57 (1H, d), 4.04 (1H, br s), 3.30 (2H, br s), 2.91 (3H, br s); TLC (5:95 MeOH/DCM Rf 0.33).

1. customplaced in a closed vessel
2. additionfilled balloon that
3. filtrationAfter 2 h the mixture was filtered through celite
4. concentrationthe filtrate was concentrated under reduced pressure