反应详情

7.2 g (33 mmol) of 8-benzyl-2-oxa-5,8-diazabicyclo[4.3.0]nonane are hydrogenated in 400 ml of methanol with 2.5 g of palladium-on-active charcoal (10% of Pd) under 50 bar at 100° C. The catalyst is filtered off with suction, the filtrate is concentrated and the residue is distilled.

1. filtrationThe catalyst is filtered off with suction
2. concentrationthe filtrate is concentrated
3. distillationthe residue is distilled