Chemistry of ruthenium polypyridine complexes:: IX.1 -: Nitro-nitrosyl equilibrium in cis-[Ru(2,2′-bpy)2(L)NO2]+ complexes

被引：11
|
作者：
Ershov, AY [1 ]
Kucheryavyi, PV [1 ]
Nikol'skii, AB [1 ]
机构：
[1] St Petersburg State Univ, St Petersburg 198904, Russia
来源：
RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2004年 / 74卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1023/B:RUGC.0000039071.51270.43
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ruthenium(II) bisbipyridyl complexes cis- [Ru(bpy)(2)(L)NO2](BF4) (bpy is 2,2'-bipyridyl) with 4-substituted pyridine ligands L = 4-(Y)py (Y = NH2, Me, Ph, and CN) were obtained. The equilibrium constants of the reversible nitro-nitrosyl transition [Ru(bpy)(2)(L)NO2](+) + 2H(+) reversible arrow[Ru(bpy)(2)(L)NO](3+) + H2O were measured in solutions with pH 1.5-8.5 (ionic strength 0.4). The constants correlate with the protonation constants of free ligands 4-(Y)py.
引用
收藏
页码：651 / 654
页数：4
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