反应详情

10 g of 6 is dissolved in 500 ml of dichloromethane, and 3.7 g of sodium acetate and 19.3 g of pyridinium chlorochromate are added at room temperature under nitrogen. After 3 hours at room temperature, it is filtered on silica gel, concentrated by evaporation, diluted with diethyl ether, filtered again, and the solvent is removed, whereby 7.8 g of title compound 7 is obtained as a colorless oil.

1. filtrationit is filtered on silica gel
2. concentrationconcentrated by evaporation
3. additiondiluted with diethyl ether
4. filtrationfiltered again
5. customthe solvent is removed