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Catalytic activity of a benzoyl hydrazone based dimeric dicopper(II) complex in catechol and alcohol oxidation reactions

2015-05-24Artigo científico Acesso restrito
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dc.contributor.authorAnbu, Sellamuthu
dc.contributor.authorAlegria, Elisabete
dc.contributor.authorPombeiro, Armando
dc.date.accessioned2016-03-10T12:28:34Z
dc.date.available2016-03-10T12:28:34Z
dc.date.issued2015-05-24
dc.description.abstractThe benzoyl hydrazone based dimeric dicopper(II) complex [Cu2(R)(CH3O)(NO3)]2(CH3O)2 (R-Cu2+), recently reported by us, catalyzes the aerobic oxidation of catechols (catechol (S1), 3,5- itertiarybutylcatechol (S2) and 3-nitrocatechol (S3)) to the corresponding quinones (catecholase like activity), as shown by UV–Vis absorption spectroscopy in methanol/HEPES buffer (pH 8.2) medium at 25 C. The highest activity is observed for the substituted catechol (S2) with the electron donor tertiary butyl group, resulting in a turnover frequency (TOF) value of 1.13 103 h1. The complex R-Cu2+ also exhibits a good catalytic activity in the oxidation (without added solvent) of 1-phenylethanol to acetophenone by But OOH under low power (10 W) microwave (MW) irradiation. 2014 Elsevier B.V. All rights reserved.pt_PT
dc.identifier.citationANBU, Sellamuthu; ALEGRIA, Elisabete C.B.A.; POMBEIRO, Armando J.L.; - Catalytic activity of a benzoyl hydrazone based dimeric dicopper(II) complex in catechol and alcohol oxidation reactions. Inorganica Chimica Acta. ISSN. 0020-1693. Vol. 431 (2015), pp. 139-144pt_PT
dc.identifier.doi10.1016/j.ica.2014.11.038pt_PT
dc.identifier.issn0020-1693
dc.identifier.issn1873-3255
dc.identifier.urihttp://hdl.handle.net/10400.21/5821
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier Science SApt_PT
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0020169314007415pt_PT
dc.subjectHydrazonept_PT
dc.subjectDimeric dicopper(II) complexpt_PT
dc.subjectCatecholpt_PT
dc.subjectAlcohol oxidationpt_PT
dc.subjectSolvent free catalysispt_PT
dc.titleCatalytic activity of a benzoyl hydrazone based dimeric dicopper(II) complex in catechol and alcohol oxidation reactionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage144pt_PT
oaire.citation.startPage139pt_PT
oaire.citation.volume431pt_PT
person.familyNameAlegria
person.familyNamePombeiro
person.givenNameElisabete
person.givenNameArmando
person.identifier863202
person.identifier.ciencia-id8C1F-851A-9F1C
person.identifier.ciencia-id8311-38FA-CEFB
person.identifier.orcid0000-0003-4060-1057
person.identifier.orcid0000-0001-8323-888X
person.identifier.ridE-9945-2012
person.identifier.ridI-5945-2012
person.identifier.scopus-author-id8315848300
person.identifier.scopus-author-id7006067269
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication6d781c38-c45e-4159-b795-8c8675606160
relation.isAuthorOfPublication6d18ff2e-5c33-4010-b1e7-964c72349813
relation.isAuthorOfPublication.latestForDiscovery6d781c38-c45e-4159-b795-8c8675606160

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ISEL - Eng. Quim. Biol. - Artigos