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Article: Spectroscopic and electrochemical studies of the oxidation of para-substituted tetraphenylporphinatomanganese (II) complexes

TitleSpectroscopic and electrochemical studies of the oxidation of para-substituted tetraphenylporphinatomanganese (II) complexes
Authors
KeywordsElectrochemisry
Kinetics
Manganese
Oxidation
Porphyrin
Issue Date1996
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00958972.asp
Citation
Journal Of Coordination Chemistry, 1996, v. 39 n. 2, p. 161-168 How to Cite?
AbstractThe reaction of dioxygen with a series of para-substituted meso-tetraphenylporphinatomanganese (II) complexes, MnII(T (p-x) PP) (nBuNH2) where x = H, CH3, Cl, OCH3 in chloroform was studied. Oxidation rate constants were determined at room temperature using spectrophotometric methods. Fitting the observed values for the autoxidation rate constants to the Hammett equation (logkb vs 4 σ) gave a Hammett pb value of -0.280. The effect of substitutents upon the pseudo-first-order rate constants is discussed. In comparison, the half-wave potentials (E1/2) for the metal centred redox reaction, [(MnII(T(p-x)PP) (BuNH2)] ⇋ [MnIII(T(p-x)PP) (BuNH2)]+ + e, were investigated by cyclic voltammetry. A relationship between E1/2 and the Hammett constants was found.
Persistent Identifierhttp://hdl.handle.net/10722/167901
ISSN
2015 Impact Factor: 1.756
2015 SCImago Journal Rankings: 0.404
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorMu, LJen_US
dc.contributor.authorBu, XHen_US
dc.contributor.authorZhou, YQen_US
dc.contributor.authorHuang, JSen_US
dc.contributor.authorHu, XYen_US
dc.contributor.authorShen, PWen_US
dc.date.accessioned2012-10-08T03:12:43Z-
dc.date.available2012-10-08T03:12:43Z-
dc.date.issued1996en_US
dc.identifier.citationJournal Of Coordination Chemistry, 1996, v. 39 n. 2, p. 161-168en_US
dc.identifier.issn0095-8972en_US
dc.identifier.urihttp://hdl.handle.net/10722/167901-
dc.description.abstractThe reaction of dioxygen with a series of para-substituted meso-tetraphenylporphinatomanganese (II) complexes, MnII(T (p-x) PP) (nBuNH2) where x = H, CH3, Cl, OCH3 in chloroform was studied. Oxidation rate constants were determined at room temperature using spectrophotometric methods. Fitting the observed values for the autoxidation rate constants to the Hammett equation (logkb vs 4 σ) gave a Hammett pb value of -0.280. The effect of substitutents upon the pseudo-first-order rate constants is discussed. In comparison, the half-wave potentials (E1/2) for the metal centred redox reaction, [(MnII(T(p-x)PP) (BuNH2)] ⇋ [MnIII(T(p-x)PP) (BuNH2)]+ + e, were investigated by cyclic voltammetry. A relationship between E1/2 and the Hammett constants was found.en_US
dc.languageengen_US
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00958972.aspen_US
dc.relation.ispartofJournal of Coordination Chemistryen_US
dc.subjectElectrochemisryen_US
dc.subjectKineticsen_US
dc.subjectManganeseen_US
dc.subjectOxidationen_US
dc.subjectPorphyrinen_US
dc.titleSpectroscopic and electrochemical studies of the oxidation of para-substituted tetraphenylporphinatomanganese (II) complexesen_US
dc.typeArticleen_US
dc.identifier.emailHuang, JS:jshuang@hkucc.hku.hken_US
dc.identifier.authorityHuang, JS=rp00709en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1080/00958979608022719-
dc.identifier.scopuseid_2-s2.0-1542597156en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-1542597156&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume39en_US
dc.identifier.issue2en_US
dc.identifier.spage161en_US
dc.identifier.epage168en_US
dc.identifier.isiWOS:A1996WA19900007-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridMu, LJ=7005437525en_US
dc.identifier.scopusauthoridBu, XH=7103052967en_US
dc.identifier.scopusauthoridZhou, YQ=8047648700en_US
dc.identifier.scopusauthoridHuang, JS=7407192639en_US
dc.identifier.scopusauthoridHu, XY=7404709756en_US
dc.identifier.scopusauthoridShen, PW=7201767682en_US

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