Ruthenium(II)/(III) bipyridine heterochelates incorporating phenolato imine functionalities. Synthesis, crystal structure, spectroscopic and electron-transfer properties and solution reactivities †
作者:Soma Chakraborty、Mrinalini G. Walawalkar、Goutam Kumar Lahiri
DOI:10.1039/b001663m
日期:——
II) and ruthenium(IV)–ruthenium(III) oxidations in the ranges 0.52–0.77 and 1.71–1.97 V versus SCE respectively. For 1a and 1b, one ligand centred oxidation near 2 V and for all the complexes two bipyridine based reductions have been detected in the ranges −1.51 to −1.56 V and −1.72 to −1.79 V versus SCE. Coulometric oxidation of 1 initially generates the unstable trivalent one-electron paramagnetic
[Ru(bpy)2(L')] ClO 4 [py = 2,2'-联吡啶; L'= - OC 6 H 3(R)C(R')NH; R = R'= H 1a ; R = H,R'= CH 3 1b;R = NO 2,R'= H 1c ]是通过裂解双核的N–N和NC–(脂族和芳族)键合成的亚胺功能。1a的单晶结构确定已验证了1的形成。该复合物在可见光区域表现出很强的MLCT跃迁,在紫外光区域表现出配体内的跃迁,并且在700 nm附近表现出中等强度的发射。量子产率(φ发光处理的)在77 K(乙醇–甲醇,4:1玻璃)在2.2×10 -2 –6.5×10 -3范围内变化,具体取决于1中的L' 。该配合物显示钌(III) -钌(II)和钌(IV) -钌(III)氧化的范围0.52-0.77和1.71-1.97 V相对于 分会分别。对于1a和1b,一个配体 居中 氧化作用 接近2 V,对于所有配合物,两个 联吡啶基于减少已经在范围中检测到-1
Abramenko, V. L.; Garnovskii, A. D.; Surpina, L. V., Koordinatsionnaya Khimiya, 1985, vol. 11, p. 519 - 528
作者:Abramenko, V. L.、Garnovskii, A. D.、Surpina, L. V.、Kuzharov, A. S.
DOI:——
日期:——
Elizabathe, J. Mary; Zacharias, P. S., Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 1985, vol. 24, # 11, p. 936 - 938
作者:Elizabathe, J. Mary、Zacharias, P. S.
DOI:——
日期:——
Mishra; Pandey, Indian Journal of Chemistry, Section A: Inorganic, Physical, Theoretical and Analytical, 2005, vol. 44, # 9, p. 1800 - 1805