Interaction of nitric oxide with Ru(II) complexes of deuteroporphyrindimethylester derivatives

Rudy Martin, Roberto Cao, Ana M. Esteva, Franz Peter Montforts

Resultado de la investigación: Contribución a una revistaArtículo

3 Citas (Scopus)

Resumen

A new ruthenium(II) porphyrin disulphide derivative, [Ru(Pds)(CO)], was obtained from ruthenium(II)(carbonyl)deuteroporphyrin(IX), [Ru(DPdc)(CO)] and cystamine. The interaction of this complex with nitric oxide was studied spectrophotometrically and a bathochromic shift of the charge transfer band and considerable change in the α and β bands of the complex were observed. According to the IR spectrum, the product of this interaction is [Ru(DmDP)(NO+)(NO2-)]. [Ru(Pds)(CO)] was then self-assembled on polycrystalline gold and characterized by X-ray photoelectron spectroscopy. [Ru(Pds)(CO)] was also self-assembled on gold electrode beads and its interaction with nitric oxide in aqueous solution was studied by cyclic voltammetry. A shift in the ruthenium redox process and a new irreversible cathodic peak at -0.59 V were observed, both indicating coordination of NO.

Idioma originalInglés
Páginas (desde-hasta)35-40
Número de páginas6
PublicaciónJournal of Porphyrins and Phthalocyanines
Volumen13
N.º1
DOI
EstadoPublicada - 1 ene 2009

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