反应详情

Manganese dioxide (5 g, molar excess) was added to a solution of 2 (0.89 g, 4.5 mmol) in dichloromethane (10 mL). The resulting mixture was heated at reflux for 3 hours then filtered through Celite®. The filtrate was concentrated in vacuo to afford 3 as a tan solid.

1. temperatureThe resulting mixture was heated
2. temperatureat reflux for 3 hours
3. filtrationthen filtered through Celite®
4. concentrationThe filtrate was concentrated in vacuo