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Mechanochemical preparation of Pd(II) and Pt(II) composites with carbonaceous materials and their application in the Suzuki-Miyaura reaction at several energy inputs

2020-06-26Journal article Open access
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dc.contributor.authorSoliman, Mohamed Mostafa Aboelhassan
dc.contributor.authorPeixoto, Andreia F.
dc.contributor.authorDa Costa Ribeiro, Ana Paula
dc.contributor.authorKopylovich, Maximilian
dc.contributor.authorAlegria, Elisabete
dc.contributor.authorPombeiro, Armando
dc.date.accessioned2021-01-25T11:01:43Z
dc.date.available2021-01-25T11:01:43Z
dc.date.issued2020-06-26
dc.descriptionEste trabalho foi financiado pelo Concurso Anual para Projetos de Investigação, Desenvolvimento, Inovação e Criação Artística (IDI&CA) 2019 do Instituto Politécnico de Lisboa. Código de referência IPL/2019/STREAM_ISEL
dc.description.abstractPd(II) and Pt(II) composites with activated carbon (AC), graphene oxide, and multiwalled carbon nanotubes were prepared by ball milling and used as catalysts for the Suzuki-Miyaura reaction, under several energy inputs (mechanical grinding, conventional heating, and microwave irradiation). The catalytic composites were characterized by ICP-MS, BET, XPS analyses, TEM, and SEM. The average particle size of the prepared composites was estimated to be in the range of 6-30 nm, while the loadings of Pd and Pt did not significantly affect the surface area of the AC support due to the tendency to agglomerate as observed by the TEM analysis. The Pd/AC composites exhibit high mechanochemical catalytic activity in cross-coupling of bromobenzene and phenylboronic acid with molar yields up to 80% with TON and TOF of 222 and 444 h(-1), respectively, achieved with Pd(4.7 wt%)-AC catalyst under the liquid assisted grinding for 0.5 h at ambient conditions, using cyclohexene as an additive.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSOLIMAN, Mohamed M. A.; [et al] – Mechanochemical preparation of Pd(II) and Pt(II) composites with carbonaceous materials and their application in the Suzuki-Miyaura reaction at several energy inputs. Molecules. eISSN 1420-3049. Vol. 25, N.º 12 (2020), pp. 1-14pt_PT
dc.identifier.doi10.3390/molecules25122951pt_PT
dc.identifier.eissn1420-3049
dc.identifier.urihttp://hdl.handle.net/10400.21/12672
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationUIDB/00100/2020 - FCT (Centro de Química Estrutura)pt_PT
dc.relationProjeto financiado no âmbito do Concurso de Projetos de Investigação, Desenvolvimento, Inovação & Criação Artística (IDI&CA) financiados pelo Instituto Politécnico de Lisboa. IPL/2019/STREAM_ISELpt_PT
dc.relationUID/QUI/50006/2019 - LAQV-REQUIMTEpt_PT
dc.relationIST-ID/119/2018 - Instituto Superior Técnicopt_PT
dc.relationPD/BD/114400/2016 - FCTpt_PT
dc.relationIST-ID/219/2019 - FCTpt_PT
dc.relationUIDB/04565/2020 - FCTpt_PT
dc.relationPTDC/QUI-QIN/29778/2017 - FCTpt_PT
dc.relationUID/MULTI/04046/2019 - FCTpt_PT
dc.subjectMechanochemicalpt_PT
dc.subjectLiquid-assisted grindingpt_PT
dc.subjectSuzuki-Miyaura reactionpt_PT
dc.subjectCross-couplingpt_PT
dc.subjectPalladiumpt_PT
dc.subjectPlatinumpt_PT
dc.subjectCompositespt_PT
dc.titleMechanochemical preparation of Pd(II) and Pt(II) composites with carbonaceous materials and their application in the Suzuki-Miyaura reaction at several energy inputspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage14pt_PT
oaire.citation.issue12pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleMoleculespt_PT
oaire.citation.volume25pt_PT
person.familyNameSoliman
person.familyNamePeixoto
person.familyNameda Costa Ribeiro
person.familyNameKopylovich
person.familyNameAlegria
person.familyNamePombeiro
person.givenNameMohamed Mostafa Aboelhassan
person.givenNameAndreia
person.givenNameAna Paula
person.givenNameMaximilian
person.givenNameElisabete
person.givenNameArmando
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rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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