tert-butyl N-[2-(1-benzyl-4-hydroxypiperidin-4-yl)ethyl]carbamate → tert-butyl N-[2-(4-hydroxypiperidin-4-yl)ethyl]carbamate

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Reaction Steps

A solution of 1,1-dimethylethyl {2-[4-hydroxy-1-(phenylmethyl)-4-piperidinyl]ethyl}carbamate (3.2 g, 9.5 mmol) and Pd(OH)2 (1.92 g, 60 wt %) in EtOH (50 mL) was hydrogenated using a Parr Shaker under 50 psi. After 12 h, the solution was filtered through Celite® and concentrated yielding the title compound (2.33 g, quant.) as a yellow oil: LCMS (ES) m/e 245 (M+H)+.

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