[NH2:1][C:2]1[C:3]([N+:11]([O-])=O)=[CH:4][C:5]2[O:9][CH2:8][CH2:7][C:6]=2[CH:10]=1.[H][H]>CCO.[Pd]>[NH2:1][C:2]1[C:3]([NH2:11])=[CH:4][C:5]2[O:9][CH2:8][CH2:7][C:6]=2[CH:10]=1The product obtained in Step 5 (2.5 g, 13.9 mmol) and Pd/C (0.5 g) were dissolved in EtOH (50 mL), hydrogenated in a Parr hydrogenation apparatus at room temperature and a hydrogen pressure of 50 PSI for 12 h. The catalyst was removed by filtration, the ethanol solution of the product was directly used in the next step of reaction.
Wird geladen…