A series of oxopyrazoline-4-spiro-oxirans and 4-diazo-3-methyl-1-phenyl-5-oxo-2-pyrazoline have been photolysed to generate reactive intermediates incorporating the pyrazolinone ring, which have been trapped with nucleophilic solvents and investigated by spectroscopic techniques.
一系列氧杂
吡唑啉-4-螺氧基-
环氧乙烷和4-重氮-3-甲基-1-苯基-5-氧代-2-
吡唑啉已被光解以生成掺入
吡唑啉酮环的反应性中间体,这些中间体已被亲核溶剂和通过光谱技术进行了调查。