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Cu(II) complexes of N-rich aroylhydrazone: magnetism and catalytic activity towards microwave-assisted oxidation of xylenes

2019-09-14Journal article Restricted access
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dc.contributor.authorSutradhar, Manas
dc.contributor.authorRoy Barman, Tannistha
dc.contributor.authorAlegria, Elisabete
dc.contributor.authorGuedes Da Silva, M. Fátima C.
dc.contributor.authorLiu, Cai-Ming
dc.contributor.authorKou, Hui-Zhong
dc.contributor.authorPombeiro, Armando
dc.date.accessioned2019-09-18T13:25:48Z
dc.date.available2019-09-18T13:25:48Z
dc.date.issued2019-09-14
dc.description.abstractThe new aroylhydrazone N'-(di(pyridin-2-yl) methylene) pyrazine-2-carbohydrazide (HL) species, rich in N-donor sites, has been used to synthesize Cu(II) compounds with different nuclearities, viz. the binuclear [Cu2(mu-1.N3,2.N2O-L)(Cl) 3(MeOH)] (1), the octanuclear [Cu4(mu-1.N3,2.N2O-L) 2(mu-Cl) 3(Cl) 3] 2 (2) and the 1D coordination polymer [Cu3(mu 3-1.N3,2.N2O, 3.N-L)(mu-NO3)(NO3) 3(H2O) 3] n center dot nNO3 (3). They have been characterized by elemental analysis, FT-IR and single crystal X-ray diffraction. The magnetic properties of 2 and 3 have been explored using variable temperature magnetic measurements. The catalytic performances of the compounds were evaluated towards the peroxidative oxidation of o-, p-and m-xylenes under microwave irradiation, leading to the formation of the corresponding methyl benzyl alcohol, tolualdehyde and toluic acid as the major products. Complex 3 exhibits the best catalytic activity towards the oxidation of p-xylene with a total yield of 37% (4-methylbenzyl alcohol + p-tolualdehyde + p-toluic acid).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSUTRADHAR, Manas; [et al] – Cu(II) complexes of N-rich aroylhydrazone: magnetism and catalytic activity towards microwave-assisted oxidation of xylenes. Dalton Transactions. ISSN 1477-9226. Vol. 48, N.º 34 (2019), pp. 12839-12849pt_PT
dc.identifier.doi10.1039/c9dt02196ept_PT
dc.identifier.issn1477-9226
dc.identifier.issn1477-9234
dc.identifier.urihttp://hdl.handle.net/10400.21/10513
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherRoyal Society of Chemistrypt_PT
dc.relationPTDC/QUI-QIN/29778/2017 - FCTpt_PT
dc.relationPTDC/QEQ-QIN/3967/2014 - FCTpt_PT
dc.relationUID/QUI/00100/2019 - FCTpt_PT
dc.relationDL/57/2017 - FCTpt_PT
dc.relationIST-ID/102/2018 - FCTpt_PT
dc.relation.publisherversionhttps://pubs.rsc.org/en/content/articlepdf/2019/dt/c9dt02196ept_PT
dc.subjectMagnetismpt_PT
dc.subjectCatalytic activitypt_PT
dc.subjectMicrowave-assistedpt_PT
dc.subjectOxidation of xylenespt_PT
dc.titleCu(II) complexes of N-rich aroylhydrazone: magnetism and catalytic activity towards microwave-assisted oxidation of xylenespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage12849pt_PT
oaire.citation.issue34pt_PT
oaire.citation.startPage12839pt_PT
oaire.citation.titleDalton Transactionspt_PT
oaire.citation.volume48pt_PT
person.familyNameSutradhar
person.familyNameRoy Barman
person.familyNameAlegria
person.familyNameGuedes da Silva
person.familyNameLiu
person.familyNameKou
person.familyNamePombeiro
person.givenNameManas
person.givenNameTannistha
person.givenNameElisabete
person.givenNameM. Fátima C.
person.givenNameCai-Ming
person.givenNameHui-Zhong
person.givenNameArmando
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person.identifier.orcid0000-0001-7184-6693
person.identifier.orcid0000-0002-7510-052X
person.identifier.orcid0000-0001-8323-888X
person.identifier.ridM-4089-2013
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rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
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