反应详情

温度

80 °C

1.5 g of the product obtained in Example 1 are dissolved in 20 ml of phosphorus oxychloride and the solution is then heated at 80° C. for 5 hours. The mixture is poured into 50 ml of water. A precipitate appears, which is filtered off and dried.

1. filtrationwhich is filtered off
2. customdried