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(5,10,15,20-Tetra(4-pyridil)porphinato)manganes(III) acetate modified by four mu(3)-oxo-triruthenium acetate clusters: synthesis, characterization, electrochemical behavior and catalytic activity

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dc.contributor.authorDovidauskas, S.
dc.contributor.authorToma, H. E.
dc.contributor.authorAraki, K.
dc.contributor.authorSacco, H. C.
dc.contributor.authorIamamoto, Y.
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:28:39Z
dc.date.available2014-05-20T15:28:39Z
dc.date.issued2000-07-28
dc.description.abstractA novel supermolecule constituted by four mu(3)-oxo-triruthenium acetate clusters coordinated to manganese(III)-meso -tetra(4-pyridil)porphyrin acetate ([MnTPyP]CH3COO) has been synthesized. Characterization has been performed by UV-Vis and H-1 NMR spectroscopy. The electrochemical behavior (cyclic voltammetry and spectroelectrochemistry) in N,N'-dimethylformamide has been analyzed in terms of five redox processes: three related to peripheral clusters (Ru-IV,Ru-III,Ru-III/Ru-III,Ru-III,Ru-III/Ru-III,Ru-II,Ru-II) and two centered on the Mn-porphyrin core ((MnP)-P-III/(MnP)-P-II/(MnP2-)-P-II). A direct comparison has been performed between MnTCP and MnTPyP as catalysts for the cyclooctene and cyclohexane oxidation reactions. The improved selectivity exhibited by the supramolecular catalyst for cyclohexane oxidation has been ascribed to electronic effects on the oxomanganese(V) porphyrin species induced by the four peripheral clusters, in the formal (RuRuRuIII)-Ru-IV-Ru-III oxidation state. (C) 2000 Elsevier B.V. S.A. All rights reserved.en
dc.description.affiliationUniv São Paulo, Inst Quim, São Paulo, Brazil
dc.description.affiliationUniv São Paulo, Fac Filosofia Ciências & Letras Ribeirao Preto, Ribeirao Preto, SP, Brazil
dc.description.affiliationUNESP, Inst Quim, Araraquara, SP, Brazil
dc.description.affiliationUnespUNESP, Inst Quim, Araraquara, SP, Brazil
dc.format.extent206-213
dc.identifierhttp://dx.doi.org/10.1016/S0020-1693(00)00138-9
dc.identifier.citationInorganica Chimica Acta. Lausanne: Elsevier B.V. Sa, v. 305, n. 2, p. 206-213, 2000.
dc.identifier.doi10.1016/S0020-1693(00)00138-9
dc.identifier.issn0020-1693
dc.identifier.urihttp://hdl.handle.net/11449/38418
dc.identifier.wosWOS:000088281800012
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofInorganica Chimica Acta
dc.relation.ispartofjcr2.264
dc.relation.ispartofsjr0,485
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectelectrochemistrypt
dc.subjectcatalytic oxidationpt
dc.subjectmanganese complexespt
dc.subjectporphyrin complexespt
dc.subjectruthenium complexespt
dc.subjectoxo-bridged complexespt
dc.subjectcluster complexespt
dc.title(5,10,15,20-Tetra(4-pyridil)porphinato)manganes(III) acetate modified by four mu(3)-oxo-triruthenium acetate clusters: synthesis, characterization, electrochemical behavior and catalytic activityen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.orcid0000-0003-0761-5086[5]
unesp.author.orcid0000-0001-7938-2651[1]
unesp.author.orcid0000-0002-4044-391X[2]
unesp.author.orcid0000-0003-3485-4592[3]

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