characterized. Notably, the bridge‐cleavage reactions of [Pd(μ‐Cl)(Cl)(NHC)]2 with 1H‐pyrazole‐3‐carboxylic acid afforded dinuclear complexes [(NHC)Pd(μ‐1H‐pyrazolato‐3‐carboxylate)]2, in which the 1H‐pyrazolato‐3‐carboxylate was employed as a N^N^O dianionic chelating and bridging ligand. To further explore the structural features and catalytic properties of the complexes, 1‐methyl‐1H‐pyrazole‐3‐carboxylic
合成并表征了四种单核和双核
吡唑-3-
羧酸盐辅助的NHC-Pd复合物。值得注意的是,[
钯(的桥型裂解反应μ -Cl)(CL)(NHC)] 2 1个ħ
吡唑-3-
羧酸,得到双核配合物[(NHC)的Pd(μ -1 ħ -pyrazolato -3- -
羧酸盐]] 2,其中1 H-
吡唑并-3-
羧酸盐被用作N ^ N ^ O双阴离子螯合和桥联
配体。为了进一步探讨该配合物的结构特征和催化性能,将1-甲基-1 H-
吡唑-3-
羧酸与[Pd(μ- Cl)(Cl)(NHC)] 2配合使用。并获得了相应的单核络合物(NHC)PdCl(1-甲基-1 H-
吡唑-3-
羧酸盐)。最初研究了配合物在唑类与芳基磺酰
肼的脱
硫芳基化反应中的催化性能。