[CH2:1]([N:8]1[CH:13]2[CH2:14][CH2:15][CH:9]1[CH2:10][C:11](=[N:16]O)[CH2:12]2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[H-].[Al+3].[Li+].[H-].[H-].[H-].O.[OH-].[Na+]>O1CCCC1>[CH2:1]([N:8]1[CH:9]2[CH2:15][CH2:14][CH:13]1[CH2:12][CH:11]([NH2:16])[CH2:10]2)[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
A suspension of 8-benzyl-8-azabicyclo[3.2.1]octan-3-one oxime (230 mg, 0.999 mmol) in tetrahydrofuran (4 ml) was added dropwise to a suspension of lithium aluminum hydride (152 mg, 4.01 mmol) in tetrahydrofuran (3 ml) at room temperature, and the resulting mixture was refluxed for 8 hours. The reaction mixture was cooled on an ice-water bath, and water (0.2 ml), a 2N-aqueous sodium hydroxide solution (0.4 ml) and water (0.2 ml) were added thereto in that order and stirred. Subsequently, the resulting mixture was filtered and the solvent of the filtrate was distilled off to obtain 8-benzyl-8-azabicyclo[3.2.1]octan-3-amine (246 mg) containing a small amount of impurities.
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