反应详情

0.5 g of the product from Example 1 and 0.48 g of N-methylpiperazine are boiled in 8 ml of dioxane for 3 hours. The mixture is then concentrated in vacuo, water is added to the residue and the solution formed is rendered neutral. The solid which has precipitated out is isolated, washed and dried.

1. concentrationThe mixture is then concentrated in vacuo, water
2. additionis added to the residue
3. customthe solution formed
4. customThe solid which has precipitated out
5. customis isolated
6. washwashed
7. customdried