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Abstract:

Mononuclear Ru(II) tetrakis-pyridine species of general formula trans-[(Cl)Ru(py)4(X)]n+ (X = Cl-, MeCN and CO) are thermally inert toward ligand exchange reactions at room temperature, but undergo substitution under photolysis conditions. The carbonyl derivative trans-[(Cl)RuII(py)4(CO)]+ was specifically synthesized for this report by the direct reaction between trans-[(Cl)RuII(py)4(Solv)]+ and CO in acetone and isolated as a PF6- salt. Stationary photolysis experiments in MeCN allowed recording changes in the absorption profiles along time providing quantitative values for the quantum yields of the different photo-processes, which involve the consecutive loss of CO, MeCN or pyridine ligands. There is no evidence of photo-release of a chloride anion in none of the molecules under study. For X = CO and MeCN the photo-release of X is favored over the substitution of a pyridine molecule. © 2015 Elsevier B.V.

Registro:

Documento: Artículo
Título:Exploring the photo-stability of the {Ru(py)4}2+ fragment
Autor:Marcolongo, J.P.; Weyhermüller, T.; Slep, L.D.
Filiación:Departamento de Química Inorgánica, Facultad de Ciencias Exactas y Naturales, INQUIMAE Universidad de Buenos Aires CONICET, Pabellón 2, Ciudad Autónoma de Buenos Aires, C1428EHA, Argentina
Max-Planck-Institut für Chemische Energiekonversion, Stiftstraße 34-36, Mülheim am der Ruhr, D-45470, Germany
Palabras clave:Molecular devices; Photochemistry; Ruthenium Building blocks
Año:2015
Volumen:429
Página de inicio:174
Página de fin:182
DOI: http://dx.doi.org/10.1016/j.ica.2014.12.039
Título revista:Inorganica Chimica Acta
Título revista abreviado:Inorg. Chim. Acta
ISSN:00201693
CODEN:ICHAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00201693_v429_n_p174_Marcolongo

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Citas:

---------- APA ----------
Marcolongo, J.P., Weyhermüller, T. & Slep, L.D. (2015) . Exploring the photo-stability of the {Ru(py)4}2+ fragment. Inorganica Chimica Acta, 429, 174-182.
http://dx.doi.org/10.1016/j.ica.2014.12.039
---------- CHICAGO ----------
Marcolongo, J.P., Weyhermüller, T., Slep, L.D. "Exploring the photo-stability of the {Ru(py)4}2+ fragment" . Inorganica Chimica Acta 429 (2015) : 174-182.
http://dx.doi.org/10.1016/j.ica.2014.12.039
---------- MLA ----------
Marcolongo, J.P., Weyhermüller, T., Slep, L.D. "Exploring the photo-stability of the {Ru(py)4}2+ fragment" . Inorganica Chimica Acta, vol. 429, 2015, pp. 174-182.
http://dx.doi.org/10.1016/j.ica.2014.12.039
---------- VANCOUVER ----------
Marcolongo, J.P., Weyhermüller, T., Slep, L.D. Exploring the photo-stability of the {Ru(py)4}2+ fragment. Inorg. Chim. Acta. 2015;429:174-182.
http://dx.doi.org/10.1016/j.ica.2014.12.039