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在氢氧化钾存在下,用4-甲酰基吡唑类化合物和取代苯乙酮发生反应得到含吡唑基查尔酮的[2+2]环加成产物,对其进行了波谱表征,并对其反应机理进行了讨论。
The [2 + 2] cycloaddition product of pyrazolylchalcones was obtained by reaction of 4-formylpyrazoles with substituted acetophenones in the presence of potassium hydroxide, which were characterized by spectroscopic methods and characterized by The reaction mechanism was discussed.