|
Figure 3
Reaction scheme. Reagents and conditions: (i) potassium hydroxide; dioxane; reflux; 2 h, (ii) phosphorus oxychloride; reflux; 1 h, and (iii) morpholine; potassium carbonate; dioxane; reflux; 2 h. |
|
Figure 3
Reaction scheme. Reagents and conditions: (i) potassium hydroxide; dioxane; reflux; 2 h, (ii) phosphorus oxychloride; reflux; 1 h, and (iii) morpholine; potassium carbonate; dioxane; reflux; 2 h. |