反应详情

The alcohol (a) (0.482 g) in dry dichloromethane (50 ml) was stirred with manganese dioxide (1.2 g) for 18 hours and the mixture was filtered. The filtrate was evaporated and chomatographed on silica gel, eluting with methanol-dichloromethane (1:50) to afford a yellow solid (0.24 g).

1. filtrationthe mixture was filtered
2. customThe filtrate was evaporated
3. washeluting with methanol-dichloromethane (1:50)