Reaction of 4-(benzoylaminomethyl)pyridine 1-oxides with indan-1,3-dione in the presence of acetic anhydride.
作者:Mercedes GARRIDO、Maria L. Lopez RODRIGUEZ、M. Jose MORCILLO
DOI:10.1248/cpb.38.2567
日期:——
4-(Benzoylaminomethyl)pyridine 1-oxides (1) react with indan-1, 3-dione in the presence of acetic anhydride to give 2-(benzoylamino-4-pyridylmethylene)indan-1, 3-diones (4) and 4-benzoylaminomethyl-2-(3-hydroxy-1-oxo-2-indenyl)-pyridines (5) as enol forms. The reaction mechanism is discussed.
4-(苯甲酰氨基甲基)吡啶1-氧化物(1)与茚满-1, 3-二酮在乙酸酐存在下反应,得到2-(苯甲酰氨基-4-吡啶亚甲基)茚满-1, 3-二酮(4)和4 -苯甲酰氨基甲基-2-(3-羟基-1-氧代-2-茚基)-吡啶(5),为烯醇形式。讨论了反应机理。