反应详情

0.5 g of potassium carbonate in 40 ml of dichloromethane are added to 2 mmol of the compound obtained in Example 46 and the mixture is stirred for 30 min. 2.5 mmol of chloroperbenzoic acid in 20 ml of dichloromethane are slowly added to the suspension and the mixture is stirred for 2 h at room temperature. The suspension is filtered and purification is carried out by chromatography. The title compound is recrystallized in the hydrogenmaleate form from ethanol/diethyl ether.

1. stirringthe mixture is stirred for 2 h at room temperature
2. filtrationThe suspension is filtered
3. custompurification
4. customThe title compound is recrystallized in the hydrogenmaleate form from ethanol/diethyl ether