反应详情

Similar to Example 1, m-nitrophenylhydrazine hydrochloride (10 mmol, 1.9 g) and 2-acetyl-3-oxo-butyric acid ethyl ester (10 mmol, 1.7 g) were mixed in a 50% solution of pyridine in ethanol. A precipitate was formed in the reaction medium, and was collected by filtration. Analysis confirmed synthesis of the named product, m.p., 107.7° C.–109.2° C.

1. customA precipitate was formed in the reaction medium
2. filtrationwas collected by filtration
3. customsynthesis of the named product
4. customm.p., 107.7° C.–109.2° C.