An easy and efficient copper-catalyzed reaction for the synthesis of polysubstituted pyrazoles from phenylhydrazones and dialkyl ethylenedicarboxylates is described. This reaction can tolerate a range of functionalities, and the corresponding adducts can be obtained in moderate to good yields.
本研究介绍了一种简单高效的
铜催化反应,用于从苯
肼和二烷基
乙二酸酯合成多取代
吡唑。该反应可容忍一系列官能团,并能以中等至良好的产率获得相应的加合物。