1-Benzyloxycarbonyl-4-(2-benzyloxyphenyl)piperidine → 2-(Piperidin-4-yl)phenol

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Reaction Steps

A solution of 1-benzyloxycarbonyl-4-(2-benzyloxyphenyl)piperidine (1.22 g) in 20 mL of tetrahydrofuran was treated with 10% palladium on carbon catalyst (0.12 g) and hydrogenated at the atmospheric pressure for 16 hours. Upon filtration and evaporation of the filtrate the named product was obtained (0.36 g) as a solid; MS: 178; NMR: 1.8-1.9 (m, 4), 2.7-2.8 (m, 2), 3.0 (m, 1), 3.2 (d, J=12, 2), 5.4 (br, 2), 6.7 (d, J=8, 1), 6.8 (t, J=7, 1), 7.0-7.1 (m, 1), 7.1 (d, J=7, 2).

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