.alpha.-Substituted ketonitrone derivatives containing substitutents selected from hydrogen, phenyl, substituted phenyl, naphythyl, furan, thiopen, imidazolylmethyl and triazolylmethyl are useful as intermediates for the preparation of biologically active isoxazolidine compounds.
含有从氢、苯基、取代苯基、
萘基、
呋喃基、
噻吩基、
咪唑甲基和三唑甲基中选择的取代基的.alpha.-取代酮
亚胺衍
生物可用作制备
生物活性异氧杂
环丙烷化合物的中间体。