Ruthenium(<scp>v</scp>) terminal arylimido corroles: isolation, spectroscopic characterization and reactivity
作者:Ka-Pan Shing、Lin Qin、Liang-Liang Wu、Jie-Sheng Huang、Chi-Ming Che
DOI:10.1039/d3sc02266h
日期:——
Terminal Ru(V)–imido species are thought to be as reactive to group transfer reactions as their Ru(V)–oxo homologues, but are less studied. With the electron-rich corrole ligand, relatively stable and isolable Ru(V)–arylimido complexes [Ru(tBu–Cor)(NAr)] (H3(tBu–Cor) = 5,15-diphenyl-10-(p-tert-butylphenyl)corrole, Ar = 2,4,6-Me3C6H2 (Mes), 2,6-(iPr)2C6H3 (Dipp), 2,4,6-(iPr)3C6H2 (Tipp), and 3,5-(CF3)2C6H3
末端 Ru( V )-亚氨基物种被认为与它们的 Ru( V )-氧代同系物一样对基团转移反应具有反应性,但研究较少。具有富电子的咔咯配体,相对稳定且可分离的Ru( V )–芳基酰亚胺配合物[Ru( tBu –Cor)(NAr)](H 3 ( tBu –Cor)=5,15-二苯基-10-(对叔丁基苯基)咔咯,Ar = 2,4,6-Me 3 C 6 H 2 (Mes),2,6-(Pr) 2 C 6 H 3 (Dipp),2,4,6-(Pr) ) 3 C 6 H 2 (Tipp)和3,5-(CF 3 ) 2 C 6 H 3 (BTF))可以在强还原条件下由[Ru( t Bu–Cor)] 2制备。通过高分辨率 ESI 质谱、X 波段 EPR、共振拉曼光谱、磁化率、元素分析以及计算研究对这种类型的S = ½ 的 Ru( V )-单芳基酰亚胺咔咯络合物进行了表征。 在加热/光照射(氙灯)条件下,配合物