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Martí, M.A.; Bari, S.E.; Estrin, D.A.; Doctorovich, F. "Discrimination of nitroxyl and nitric oxide by water-soluble Mn(III) porphyrins" (2005) Journal of the American Chemical Society. 127(13):4680-4684
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Abstract:

The water-soluble manganese(III) meso-tetrakis (N-ethylpyridinium-2-yl) porphyrin (MnIIITEPyP) and manganese(III) meso-(tetrakis(4-sulfonato- phenyl)) porphyrinate (MnIIITPPS) are able to chemically distinguish between HNO and NO donors, reacting with the former in a fast, efficient, and selective manner with concomitant formation of the {MnNO}7 complex (kon(HNO) ≈ 105 M-1 s-1), while they are inert or react very slowly with NO donors. DFT calculations and kinetic data suggest that HNO trapping is operative at least in the case of Mn IIITPPS, while catalytic decomposition of the HNO donors (sodium trioxodinitrate and toluene sulfohydroxamic acid) seems to be the main pathway for MnIIITEPyP. In the presence of oxygen, the product Mn IITEPyP(NO) oxidizes back to MnIIITEPyP, making it possible to process large ratios of nitroxyl donor with small amounts of porphyrin. © 2005 American Chemical Society.

Registro:

Documento: Artículo
Título:Discrimination of nitroxyl and nitric oxide by water-soluble Mn(III) porphyrins
Autor:Martí, M.A.; Bari, S.E.; Estrin, D.A.; Doctorovich, F.
Filiación:Departamento de Quimica Inorganica, Fac. de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires (C1428EHA), Argentina
Palabras clave:Aromatic compounds; Catalysis; Decomposition; Manganese compounds; Organic acids; Organometallics; Probability density function; Reaction kinetics; Toluene; Catalytic decomposition; Discrimination; Donors; Porphyrins; manganese derivative; manganese meso[tetrakis(4 sulfonatophenyl)porphyrinate]; manganese mesotetrakis(n ethylpyridinium 2 yl)porphyrin; nitric oxide; oxygen; porphyrin derivative; reagent; sodium trioxodinitrate; toluene sulfohydroxamic acid; unclassified drug; water; aeration; anaerobic metabolism; aqueous solution; article; catalysis; chemical reaction kinetics; complex formation; density functional theory; solubility; Anaerobiosis; Hydroxamic Acids; Kinetics; Manganese; Metalloporphyrins; Nitric Oxide; Nitric Oxide Donors; Nitrites; Nitrogen Oxides; Oxidation-Reduction; Porphyrins; Solubility; Water
Año:2005
Volumen:127
Número:13
Página de inicio:4680
Página de fin:4684
DOI: http://dx.doi.org/10.1021/ja044632n
Título revista:Journal of the American Chemical Society
Título revista abreviado:J. Am. Chem. Soc.
ISSN:00027863
CODEN:JACSA
CAS:nitric oxide, 10102-43-9; oxygen, 7782-44-7; water, 7732-18-5; Hydroxamic Acids; manganese (III) meso-tetrakis(N-ethylpyridinium-2-yl)porphyrin; Manganese, 7439-96-5; Metalloporphyrins; Nitric Oxide Donors; Nitric Oxide, 10102-43-9; Nitrites; Nitrogen Oxides; nitroxyl, 14332-28-6; oxyhyponitrite, 18550-55-5; Porphyrins; tetraphenylporphine sulfonate, 35218-75-8; Water, 7732-18-5
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00027863_v127_n13_p4680_Marti

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Citas:

---------- APA ----------
Martí, M.A., Bari, S.E., Estrin, D.A. & Doctorovich, F. (2005) . Discrimination of nitroxyl and nitric oxide by water-soluble Mn(III) porphyrins. Journal of the American Chemical Society, 127(13), 4680-4684.
http://dx.doi.org/10.1021/ja044632n
---------- CHICAGO ----------
Martí, M.A., Bari, S.E., Estrin, D.A., Doctorovich, F. "Discrimination of nitroxyl and nitric oxide by water-soluble Mn(III) porphyrins" . Journal of the American Chemical Society 127, no. 13 (2005) : 4680-4684.
http://dx.doi.org/10.1021/ja044632n
---------- MLA ----------
Martí, M.A., Bari, S.E., Estrin, D.A., Doctorovich, F. "Discrimination of nitroxyl and nitric oxide by water-soluble Mn(III) porphyrins" . Journal of the American Chemical Society, vol. 127, no. 13, 2005, pp. 4680-4684.
http://dx.doi.org/10.1021/ja044632n
---------- VANCOUVER ----------
Martí, M.A., Bari, S.E., Estrin, D.A., Doctorovich, F. Discrimination of nitroxyl and nitric oxide by water-soluble Mn(III) porphyrins. J. Am. Chem. Soc. 2005;127(13):4680-4684.
http://dx.doi.org/10.1021/ja044632n