反应详情

10 mmol of the compound from Example XVI were boiled under reflux with 50 mmol of MnO2 (active) in 50 ml of acetone for 6 h, the solid was filtered off with suction and the filtrate was concentrated. The residue was recrystallized from isopropanol. M.p.: 107° C.

1. filtrationthe solid was filtered off with suction
2. concentrationthe filtrate was concentrated
3. customThe residue was recrystallized from isopropanol