[H][H].[C:3]1([C:9](=[N:19]O)[CH2:10][CH2:11][CH2:12][C:13]2[CH:18]=[CH:17][N:16]=[CH:15][CH:14]=2)[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1>>[C:3]1([CH:9]([NH2:19])[CH2:10][CH2:11][CH2:12][C:13]2[CH:14]=[CH:15][N:16]=[CH:17][CH:18]=2)[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1Using deprotection method A under 4.1 bar (60 psig) of hydrogen, 1-phenyl-4-(pyridin-4-yl)butan-1-one oxime (1.6 g, 6.5 mmol) afforded 1.3 g (87%) of the title compound.
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