反应详情

983 mg hydrazine acetate was added to 2 g 2,4-Dioxo-4-phenyl-butyric acid methyl ester in 10 mL concentrated acetic acid. The mixture was stirred over night at RT. Then water was added. The precipitate was filtered, stirred with diisopropylether and again filtered to give 1.3 g desired product. Rt: 1.39 min (method O), (M+H)+: 203

1. filtrationThe precipitate was filtered
2. stirringstirred with diisopropylether
3. filtrationagain filtered