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Aroylhydrazone Cu(II) complexes in keto form: structural characterization and catalytic activity towards cyclohexane oxidation

2016-04Journal article Restricted access
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dc.contributor.authorSutradhar, Manas
dc.contributor.authorAlegria, Elisabete
dc.contributor.authorGuedes Da Silva, M. Fátima C.
dc.contributor.authorMartins, Luisa
dc.contributor.authorPombeiro, Armando
dc.date.accessioned2016-06-30T15:36:22Z
dc.date.available2016-06-30T15:36:22Z
dc.date.issued2016-04
dc.description.abstractThe reaction of the Schiff base (3,5-di-tert-butyl-2-hydroxybenzylidene)-2-hydroxybenzohydrazide (H3L) with a copper(II) salt of a base of a strong acid, i.e., nitrate, chloride or sulphate, yielded the mononuclear complexes [Cu(H2L)(NO3)(H2O)] (1), [Cu(H2L)Cl]center dot 2MeOH (2) and the binuclear complex [{Cu(H2L)}(2)(mu-SO4)]center dot 2MeOH (3), respectively, with H2L- in the keto form. Compounds 1-3 were characterized by elemental analysis, Infrared (IR) spectroscopy, Electrospray Ionisation-Mass Spectrometry (ESI-MS) and single crystal X-ray crystallography. All compounds act as efficient catalysts towards the peroxidative oxidation of cyclohexane to cyclohexyl hydroperoxide, cyclohexanol and cyclohexanone, under mild conditions. In the presence of an acid promoter, overall yields (based on the alkane) up to 25% and a turnover number (TON) of 250 (TOF of 42 h(-1)) after 6 h, were achieved.pt_PT
dc.identifier.citationSutradhar, Manas; [et al.] - Aroylhydrazone Cu(II) complexes in keto form: structural characterization and catalytic cctivity towards cyclohexane oxidation. Molecules. ISSN 1420-3049. Vol. 21, N.º 4 (2016), pp. 1-13pt_PT
dc.identifier.doi10.3390/molecules21040425pt_PT
dc.identifier.issn1420-3049
dc.identifier.urihttp://hdl.handle.net/10400.21/6277
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPI AGpt_PT
dc.relationMETAL CLUSTERS: STRUCTURAL ANALYSIS, APPLICATIONS IN CATALYSIS AND MOLECULAR MAGNETISM
dc.relation.ispartofseries425;
dc.relation.publisherversionhttp://www.mdpi.com/1420-3049/21/4/425pt_PT
dc.subjectO,N,O ligandspt_PT
dc.subjectCu(II) complexpt_PT
dc.subjectX-ray structurept_PT
dc.subjectcyclohexane oxidationpt_PT
dc.titleAroylhydrazone Cu(II) complexes in keto form: structural characterization and catalytic activity towards cyclohexane oxidationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMETAL CLUSTERS: STRUCTURAL ANALYSIS, APPLICATIONS IN CATALYSIS AND MOLECULAR MAGNETISM
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876/UID%2FQUI%2F00100%2F2013/PT
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oaire.citation.endPage13
oaire.citation.issue4pt_PT
oaire.citation.startPage1
oaire.citation.volume21pt_PT
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person.familyNameSutradhar
person.familyNameAlegria
person.familyNameGuedes da Silva
person.familyNameMartins
person.familyNamePombeiro
person.givenNameManas
person.givenNameElisabete
person.givenNameM. Fátima C.
person.givenNameLuisa
person.givenNameArmando
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person.identifier.orcid0000-0003-4836-2409
person.identifier.orcid0000-0002-5403-9352
person.identifier.orcid0000-0001-8323-888X
person.identifier.ridM-4089-2013
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person.identifier.scopus-author-id14053084900
person.identifier.scopus-author-id8315848300
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person.identifier.scopus-author-id8650947800
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.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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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