[C:1]1([CH2:10][C:11]#[N:12])[CH:6]=[CH:5][C:4]([CH2:7][C:8]#[N:9])=[CH:3][CH:2]=1.[H][H]>[Pt]=O.C(O)(=O)C>[NH2:9][CH2:8][CH2:7][C:4]1[CH:5]=[CH:6][C:1]([CH2:10][CH2:11][NH2:12])=[CH:2][CH:3]=1.[NH2:9][CH2:8][CH2:7][CH:4]1[CH2:5][CH2:6][CH:1]([CH2:10][CH2:11][NH2:12])[CH2:2][CH2:3]1Into a 250 mL reduction vessel were placed 1,4-phenylenediacetonitrile (2 g, 12.8 mmol), acetic acid (95 mL), and platinum oxide (0.25 g) and the mixture was heated at 60° C. under 60 psi (413.7 kPa) of hydrogen gas for 6 hours. The reaction was cooled to room temperature and filtered through a Celite® cake and the filtrate was concentrated under reduced vacuum to give the intermediate title compound, 2-[4-(2-aminoethyl)cyclohexyl]ethylamine, (3.7 g, 100%) as an oil. Electron spray M.S. 171 (M*+1).
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