反应详情

温度

100 °C

4.37 g of the product of Step A were introduced into 130 ml of dioxane and then 16.32 g of manganese dioxide were added with stirring. The mixture was heated to approximately 100° C. for about 2 hours, then filtered. The filtrate was rinsed with dioxane and evaporated to obtain 3.72 g of the expected product melting at 113° C.

1. filtrationfiltered
2. washThe filtrate was rinsed with dioxane
3. customevaporated