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Chemistry of Ruthenium Polypyridine Complexes: IX. Nitro-Nitrosyl Equilibrium in cis-[Ru(2,2'-bpy)2(L)NO2]+ Complexes

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Abstract

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+ ↔ [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.

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Authors and Affiliations

  1. St. Petersburg State University, St. Petersburg, Russia

    A. Yu. Ershov, P. V. Kucheryavyi & A. B. Nikol'skii

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  1. A. Yu. Ershov
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  2. P. V. Kucheryavyi
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  3. A. B. Nikol'skii
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Ershov, A.Y., Kucheryavyi, P.V. & Nikol'skii, A.B. Chemistry of Ruthenium Polypyridine Complexes: IX. Nitro-Nitrosyl Equilibrium in cis-[Ru(2,2'-bpy)2(L)NO2]+ Complexes. Russian Journal of General Chemistry 74, 651–654 (2004). https://doi.org/10.1023/B:RUGC.0000039071.51270.43

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  • DOI: https://doi.org/10.1023/B:RUGC.0000039071.51270.43

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