反应详情

7.0 g of the product from Example 8 are initially introduced into 100 ml of dioxane. 4.7 g of potassium tert.-butylate are added to this in portions. The mixture is stirred for 24 hours at room temperature, poured onto ice, and neutralized. The precipitated solid is isolated and dried. Yield: 5.3 g, melting point: 224°-7° (decomposes)

1. additionpoured onto ice
2. customThe precipitated solid is isolated
3. customdried