反应详情

7.7 g of the compound from Example 6 and 2.9 g of K2CO3 are heated at 140°-5° C. for 4 hours in 36 ml of DMF. The mixture is subsequently poured onto ice and acidified, and the precipitated solid is separated off and dried.

1. additionThe mixture is subsequently poured onto ice
2. customthe precipitated solid is separated off
3. customdried