反应详情

30 g of N-benzyl-4-hydroxy-4-(4-methylphenyl)-piperidine in a mixture of equal parts of ethyl acetate and ethanol with palladium (5% on charcoal) is hydrogenated until one equivalent of hydrogen has been absorbed to give 4-hydroxy-4-(4-methylphenyl)-piperidine, m.p. 137°-138° (from ethyl acetate).

1. customhas been absorbed