[CH3:1][O:2][C:3]1[CH:8]=[C:7]([CH2:9][N:10]2C(=O)C3=CC=CC=C3C2=O)[CH:6]=[CH:5][C:4]=1[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1.C(O)C>C(Cl)(Cl)Cl>[CH3:1][O:2][C:3]1[CH:8]=[C:7]([CH2:9][NH2:10])[CH:6]=[CH:5][C:4]=1[C:21]1[CH:26]=[CH:25][CH:24]=[CH:23][CH:22]=1To a solution of N-(2-methoxybiphenyl-4-ylmethyl)-phthalimide (0.414 g) in chloroform (5.0 mL) was added dropwise a mixture of hydrazinemonohydrate (0.241 g) and ethanol (1.0 mL), and the resulting mixture was stirred at room temperature for 31 hours. The insoluble material was filtered out, and the filtrate was partitioned between dichloromethane (40 mL) and water (15 mL). The organic layer was washed with brine (10 mL), dried over anhydrous sodium sulfate and concentrated under reduced pressure to give the title compound (0.259 g).
Wird geladen…