CC(O)=O.C([N:12]1[CH2:17][CH2:16][C:15]([OH:21])([C:18]([NH2:20])=[O:19])[CH2:14][CH2:13]1)C1C=CC=CC=1>CO.[Pd]>[OH:21][C:15]1([C:18]([NH2:20])=[O:19])[CH2:16][CH2:17][NH:12][CH2:13][CH2:14]1Pd/C (150 mg) and HOAc (2 mL) are added to a solution of 1-benzyl-4-hydroxy-piperidine-4-carboxylic acid amide (2 g, 8.5 mmol) in MeOH. The mixture is shaken under H2 (40 psi) for 14 hours. The catalyst is removed by filtration and the solvent is removed in vacuo to give the title product. 1H NMR (CD3OD) 2-96 (m, 4H), 2.05 (m, 2H), 1.49 (m, 2H).
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