反应详情

A mixture of 1-benzyl-4-hydroxy-3-isobutylpiperidine (0.63 g, 2.5 mmole) and 20% palladium hydroxide (0.1 g) in methanol (20 ml) was stirred in hydrogen atmosphere (1 atm.) for 48 hr at 35° C. Catalyst was filtered off, washed with methanol, filtrate was concentrated to dryness to give 4-hydroxy-3-isobutylpiperidine as oil. Yield 0.35 g (91%), C9H19NO, m/z 158 (M+1).

1. filtrationCatalyst was filtered off
2. washwashed with methanol, filtrate
3. concentrationwas concentrated to dryness