Ruthenium(II) complexes of pyridine-carboxamide ligands bearing appended benzothiazole/benzimidazole rings: Structural diversity and catalysis
作者:Paranthaman Vijayan、Samanta Yadav、Sunil Yadav、Rajeev Gupta
DOI:10.1016/j.ica.2019.119285
日期:2020.3
HLBI = N-(1H-benzo[d]imidazol-2-yl)picolinamide), have been synthesized. All Ru(II) complexes have been characterized by using various spectroscopic techniques (FTIR, UV–Visible, 1H, 13C, 31P NMR and ESI-MS), conductivity and elemental analyses. The solid-state structures of all Ru(II) complexes, except 2, were substantiated by the single crystal X-ray diffraction technique that revealed versatile coordination modes
摘要一系列吡啶-羧酰胺配体的钌(II)配合物(1-6),HLBT / BI(HLBT = N-(苯并[d]噻唑-2-基)吡啶啉酰胺,HLBI = N-(1H-苯并[ d]咪唑-2-基)吡啶啉酰胺,已经合成。所有Ru(II)配合物均已通过各种光谱技术(FTIR,UV-Visible,1H,13C,31P NMR和ESI-MS),电导率和元素分析进行了表征。除2外的所有Ru(II)配合物的固态结构均通过单晶X射线衍射技术证实,该技术揭示了在NN和NO模式之间变化的两个双齿配体的通用配位模式。所有Ru(II)配合物均显示具有双齿配体的八面体形畸变,而其他配位点则被阴离子Cl-或中性共配体(CO,PPh3,CH3CN或(CH3)2SO)占据。这些定义明确的钌(II)络合物已被用作均相催化剂,用于使用随之而来的氢借用策略的醇将胺烷基化。在六种配合物中,发现1和2是高效的催化剂,可用于不同胺与各种