反应详情

A solution of 1-[3,5-bis(trifluoromethyl)benzoyl]-4-(benzyloxycarbonyl)-2-(2,3-dimethoxybenzyl)piperazine (0.81 g) in methanol (20 ml) was hydrogenated over 10% palladium-carbon (50% wet, 0.30 g) at room temperature under atmospheric pressure for 90 minutes. After removal of the catalyst by filtration, the filtrate was evaporated under reduced pressure to give colorless oil of 1-[3,5-bis (trifluoromethyl)benzoyl]-2-(2,3-dimethoxybenzyl)piperazine (0.64 g).

1. customAfter removal of the catalyst
2. filtrationby filtration
3. customthe filtrate was evaporated under reduced pressure