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吡唑衍生物在碘单质和硝酸水溶液的共同作用下发生碘代反应,生成标题化合物。在微波辐射下,该方法反应速度较常规加热方法增加20倍以上,以较高产率得到了6个4-碘吡唑衍生物,收率85%～94%。
The pyrazole derivative undergoes iodination reaction under the combined action of iodine and nitric acid aqueous solution to generate the title compound. Under microwave irradiation, the reaction rate of this method increased more than 20 times compared with the conventional heating method, and 6 4-iodopyrazole derivatives were obtained at higher yield with the yield of 85% -94%.