Synthesis, crystal structures, and catalytic activities of palladium imidazole complexes formed by 2-hydroxyethyl group cleavage
作者:Chen Xu、Zhen Li、Lu-Meng Duan、Zhi-Qiang Wang、Wei-Jun Fu、Xin-Qi Hao、Mao-Ping Song
DOI:10.1007/s11243-012-9598-z
日期:2012.5
analogous bis(N-methylimidazole) palladium complex 4 has also been synthesized by the above method. Compounds 1–4 were characterized by elemental analysis, IR, and 1H NMR. Additionally, their crystal structures have been determined by X-ray diffraction. Complexes 3 and 4 were found to be efficient catalysts for the Suzuki reaction.
合成并表征了N-4,6-二甲基-2-嘧啶基咪唑1及其羟乙基衍生物1-(2-羟乙基)-3-(4,6-二甲基-2-嘧啶基)咪唑鎓2。尝试通过 2 与 Pd(OAc) 2 的直接反应合成双(N-杂环卡宾)钯配合物导致意外形成双(N-芳基咪唑)钯配合物 3。此外,类似的双(N-甲基咪唑)钯配合物4也用上述方法合成。化合物 1-4 通过元素分析、IR 和 1H NMR 进行表征。此外,它们的晶体结构已通过 X 射线衍射确定。发现配合物 3 和 4 是 Suzuki 反应的有效催化剂。