The ring closure and rearrangement of N-2-aminobenzoyl -N-methylhydrazones of β-dicarbonyl compounds
作者:Melinda Gál、Ödön Fehér、Endre Tihanyl、Gyula Horváth、Gyula Jerkovich
DOI:10.1016/0040-4020(82)85022-9
日期:1982.1
A novel rearrangement was observed during the cyclization of N-(2-aminobenzoyl)-N-methylhydrazones of β-dicarbonyl compounds, leading to pyrazole derivatives 2,4, and 5 depending on substituents and the reaction media.
N-环化过程中观察到一种新的重排(2-氨基苯甲酰基)-N- methylhydrazonesβ二羰基化合物,导致吡唑衍生物2,4,和5根据取代基和反应介质。