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Peroxidative oxidation of alkanes and alcohols under mild conditions by Di- and tetranuclear copper (II) complexes of Bis (2-Hydroxybenzylidene) isophthalohydrazide

2018-10-19Journal article Open access
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dc.contributor.authorSutradhar, Manas
dc.contributor.authorAlegria, Elisabete
dc.contributor.authorGuedes Da Silva, M. Fátima C.
dc.contributor.authorLiu, Cai-Ming
dc.contributor.authorPombeiro, Armando
dc.date.accessioned2018-11-23T14:17:52Z
dc.date.available2018-11-23T14:17:52Z
dc.date.issued2018-10-19
dc.description.abstractBis(2-hydroxybenzylidene)isophthalohydrazide (H4L) has been used to synthesize the dinuclear [Cu2(1_NO2:2_N0O02-H2L)(NO3)2(H2O)2] (1) and the tetranuclear [Cu4(_-1_NO2:2_N0O2-H2L)2(_-NO3)2(H2O)4]_2C2H5OH (2) complexes. The solvent plays an important role in determining the ligand behaviour in the syntheses of the complexes. An ethanol-acetonitrile mixture of solventes favours partials enolization in the case of 2. Both complexes have been characterized by elemental analysis, infrared radiation (IR), single crystal X-ray crystallography and electrochemical methods. The variable temperature magnetic susceptibility measurements of 2 show strong antiferromagnetic coupling between the central nitrato-bridged Cu (II) ions. The catalytic activity of both 1 and 2 has been screened toward the solvent-free microwave-assisted oxidation of alcohols and the peroxidative oxidation of alkanes under mild conditions. Complex 1 exhibits the highest activity for both oxidation reactions, leading selectively to a maximum product yield of 99% (for the 1-phenylethanol oxidation after 1 h without any additive) and 13% (for the cyclohexane oxidation to cyclohexyl hydroperoxide, cyclohexanol and cyclohexanone after 3 h).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSUTRADHAR, Manas; [et al] – Peroxidative oxidation of alkanes and alcohols under mild conditions by Di- and tetranuclear copper (II) complexes of Bis (2-Hydroxybenzylidene) isophthalohydrazide. Molecules. ISSN 1420-3049. Vol. 23, N.º 10 (2018), pp. 1-18pt_PT
dc.identifier.doi10.3390/molecules23102699pt_PT
dc.identifier.issn1420-3049
dc.identifier.urihttp://hdl.handle.net/10400.21/9081
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.subjectCu (II) complexespt_PT
dc.subjectMicrowave assisted oxidation of alcoholspt_PT
dc.subjectOxidation of alkanespt_PT
dc.subjectSolvent free processpt_PT
dc.subjectMagnetismpt_PT
dc.titlePeroxidative oxidation of alkanes and alcohols under mild conditions by Di- and tetranuclear copper (II) complexes of Bis (2-Hydroxybenzylidene) isophthalohydrazidept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00100%2F2013/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FQEQ-ERQ%2F1648%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FQEQ-QIN%2F3967%2F2014/PT
oaire.citation.endPage18pt_PT
oaire.citation.issue10pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleMoleculespt_PT
oaire.citation.volume23pt_PT
oaire.fundingStream5876
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oaire.fundingStream3599-PPCDT
person.familyNameSutradhar
person.familyNameAlegria
person.familyNameGuedes da Silva
person.familyNameLiu
person.familyNamePombeiro
person.givenNameManas
person.givenNameElisabete
person.givenNameM. Fátima C.
person.givenNameCai-Ming
person.givenNameArmando
person.identifier863180
person.identifier863202
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person.identifier.orcid0000-0001-8323-888X
person.identifier.ridM-4089-2013
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person.identifier.ridH-8274-2012
person.identifier.ridD-6937-2013
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person.identifier.scopus-author-id14053084900
person.identifier.scopus-author-id8315848300
person.identifier.scopus-author-id6701761571
person.identifier.scopus-author-id7006067269
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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