反应详情

9 g of Collins reagent is dissolved in 85 ml of dichloromethane, and a solution of 2 g of VI in 25 ml of dichloromethane is instilled with stirring in 5 minutes, stirred 15 minutes, diluted with 200 ml of diethyl ether, shaken with sodium bicarbonate solution, diluted sulfuric acid and salt water, dried over magnesium sulfate and concentrated by evaporation in a vacuum. 1.72 g of aldehyde VII is obtained as oil.

1. stirringstirred 15 minutes
2. dry with materialdried over magnesium sulfate
3. concentrationconcentrated by evaporation in a vacuum