1,2,3-Triazol-5-ylidene bearing a pyridine auxiliary based bidentate PEPPSI type palladium(II) complex: Synthesis, structure, and application in the direct arylation of pyridine N-oxide
作者:Lin-Yu Jiao、Xiao-Mei Yin、Shanshan Liu、Ze Zhang、Ming Sun、Xiao-Xun Ma
DOI:10.1016/j.catcom.2019.105889
日期:2020.2
A novel PEPPSI (pyridine enhanced precatalyst preparation stabilization and initiation) type palladium(II) complex has been synthesized and fully characterized by NMR, HR-MS, as well as elemental analysis. The molecular structure was finally confirmed by single crystal X-ray diffraction, and it revealed that the pyridyl-armed 1,2,3-triazole ligand is coordinated to the palladium in bidentate fashion
合成了一种新型的PEPPSI(吡啶增强的前催化剂制剂的稳定和引发作用)型钯(II)配合物,并通过NMR,HR-MS和元素分析对其进行了全面表征。最终通过单晶X射线衍射确认了分子结构,并且揭示了吡啶基武装的1,2,3-三唑配体以二齿形式与钯配位。这种对空气和湿气不敏感的复合物已被证明是适合N-吡啶氧化物和2-溴吡咯芳基芳基化的合适催化剂,具有宽泛的官能团耐受性,证明了该复合物的坚固性和高效性。