Synthesis, characterization and photochemical properties of some ruthenium nitrosyl complexes

被引:10
|
作者
Kumar, Amit [1 ]
Pandey, Rampal [1 ]
Gupta, Rakesh Kumar [1 ]
Ghosh, Kaushik [2 ]
Pandey, Daya Shankar [1 ]
机构
[1] Banaras Hindu Univ, Fac Sci, Dept Chem, Varanasi 221005, Uttar Pradesh, India
[2] Indian Inst Technol, Dept Chem, Roorkee 247667, Uttar Pradesh, India
关键词
Ruthenium; Nitrosyl; Structures; Photolability; Myoglobin; EFFECTIVE CORE POTENTIALS; NITRIC-OXIDE DONORS; NO-CENTER-DOT; MOLECULAR CALCULATIONS; ELECTRON-TRANSFER; METAL-COMPLEXES; VISIBLE-LIGHT; APOPTOSIS; LIGAND; COORDINATION;
D O I
10.1016/j.poly.2012.07.032
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Synthesis of new nitrosyl complexes [RuCl3(CNPy)(2)(NO)] (1), [RuCl3(AMPy)(2)(NO)] (2), [RuCl3(CPI)(2)(NO)] (3), [RuCl3(NOPI)(2)(NO)] (4), and [RuCl3(HPI)(2)(NO)] (5) [CNPy = 4-cyanopyridine; AMPy = 4-aminopyridine; CPI = 1-(4-cyanophenyl)-imidazole; NOPI = 1-(4-nitrophenyl)-imidazole; HPI = 1-(4-hydroxyphenyl)-imidazole] has been described. The complexes 1-5 have been characterized by satisfactory elemental analyses, spectral (ESI-MS, FT-IR H-1, C-13 NMR, UV-Vis) and electrochemical studies. Linear nitrosyl group and S-0, state in these complexes have been supported by IR, H-1 NMR spectral studies and X-ray single crystal analyses on representaive complex 1. Photorelease of NO and its trapping by myoglobin have been monitored by UV-Vis studies. Structure of the complexes under investigation has also been supported by theoretical studies. The geometrical parameters of 1-5 are comparable to those obtained from single crystal X-ray diffraction studies on 1. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:837 / 843
页数:7
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