反应详情

Similar to Example 1, p-tolylhydrazine (10 mmol, 1.8 g) and 2-acetyl-3-oxo-butyric acid ethyl ester (10 mmol, 1.7 g) were mixed in a solution of 50% pyridine in ethanol. The solvents were removed under vacuum. The named product was purified over silica gel (m.p. 47° C.–49° C.).

1. customThe solvents were removed under vacuum
2. customThe named product was purified over silica gel (m.p. 47° C.–49° C.)