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dc.contributor.author | López-Vinasco, Angela M. | es_ES |
dc.contributor.author | Martínez-Prieto, Luis Miguel | es_ES |
dc.contributor.author | Asensio, Juan M. | es_ES |
dc.contributor.author | Lecante, Pierre | es_ES |
dc.contributor.author | Chaudret, Bruno | es_ES |
dc.contributor.author | Cámpora, Juan | es_ES |
dc.contributor.author | van Leeuwen, Piet W. N. M. | es_ES |
dc.date.accessioned | 2021-04-17T03:33:45Z | |
dc.date.available | 2021-04-17T03:33:45Z | |
dc.date.issued | 2020-01-21 | es_ES |
dc.identifier.issn | 2044-4753 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/165307 | |
dc.description.abstract | [EN] The main challenge in the hydrogenation of alkynes into (E)- or (Z)-alkenes is to control the selective formation of the alkene, avoiding the over-reduction to the corresponding alkane. In addition, the preparation of recoverable and reusable catalysts is of high interest. In this work, we report novel nickel nanoparticles (Ni NPs) stabilized by three different imidazolium-amidinate ligands (ICy center dot(NCN)-N-(Ar); L1: Ar = p-tol, L2: Ar = p-anisyl and L3: Ar = p-ClC6H4). The as-prepared Ni NPs were fully characterized by (HR)-TEM, XRD, WASX, XPS and VSM. The nanocatalysts are active in the hydrogenation of various substrates. They present a remarkable selectivity in the hydrogenation of alkynes towards (Z)-alkenes, particularly in the hydrogenation of 3-hexyne into (Z)-3-hexene under mild reaction conditions (room temperature, 3% mol Ni and 1 bar H-2). The catalytic behaviour of Ni NPs was influenced by the electron donor/acceptor groups (-Me, -OMe, -Cl) in the N-aryl substituents of the amidinate moiety of the ligands. Due to the magnetic character of the Ni NPs, recycling experiments were successfully performed after decantation in the presence of an external magnet, which allowed us to recover and reuse these catalysts at least 3 times preserving both activity and chemoselectivity. | es_ES |
dc.description.sponsorship | The authors thank CNRS, UPS-Toulouse, INSA, "IDEX/Chaires d'attractivite l'Universite Federale Toulouse Midi-Pyrenees", "Instituto de Tecnologia Quimica" (ITQ; UPV-CSIC), "Juan de la Cierva" programme (IJCI-2016-27966), "Primero Proyectos de Investigacion" (PAID-06-18), "Instituto de Investigaciones Quimicas" (IIQ; CSIC-US), "Ministerio de Ciencia, Innovacion y Universidades" (MCIU/AEI), FEDER funds of the European Union (PGC2018-095768-B-I00) and ERC Advanced Grant (MONACAT 2015-694159) for financial support. We also thank L. Datas for the TEM facilities (UMS Castaing) and S. Cayez for the HRTEM measurements. | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | The Royal Society of Chemistry | es_ES |
dc.relation.ispartof | Catalysis Science & Technology | es_ES |
dc.rights | Reconocimiento (by) | es_ES |
dc.subject.classification | QUIMICA ORGANICA | es_ES |
dc.title | Novel nickel nanoparticles stabilized by imidazolium-amidinate ligands for selective hydrogenation of alkynes | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1039/c9cy02172h | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/EC/H2020/694159/EU/Magnetism and Optics for Nanoparticle Catalysis/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/UPV//PAID-06-18/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//IJCI-2016-27966/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PGC2018-095768-B-I00/ES/GENERACION DE PAUTAS COOPERATIVAS EN COMPLEJOS DE METALES NO PRECIOSOS CON LIGANDOS VERSATILES: UNA RUTA HACIA PROCESOS CATALITICOS SOSTENIBLES/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Química - Departament de Química | es_ES |
dc.description.bibliographicCitation | López-Vinasco, AM.; Martínez-Prieto, LM.; Asensio, JM.; Lecante, P.; Chaudret, B.; Cámpora, J.; Van Leeuwen, PWNM. (2020). Novel nickel nanoparticles stabilized by imidazolium-amidinate ligands for selective hydrogenation of alkynes. Catalysis Science & Technology. 10(2):342-350. https://doi.org/10.1039/c9cy02172h | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1039/c9cy02172h | es_ES |
dc.description.upvformatpinicio | 342 | es_ES |
dc.description.upvformatpfin | 350 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 10 | es_ES |
dc.description.issue | 2 | es_ES |
dc.relation.pasarela | S\409732 | es_ES |
dc.contributor.funder | European Commission | es_ES |
dc.contributor.funder | European Regional Development Fund | es_ES |
dc.contributor.funder | Universitat Politècnica de València | es_ES |
dc.contributor.funder | Université Toulouse III Paul Sabatier | es_ES |
dc.contributor.funder | Instituto de Tecnología Química UPV-CSIC | es_ES |
dc.contributor.funder | Instituto de Investigaciones Químicas US-CSIC | es_ES |
dc.contributor.funder | Centre National de la Recherche Scientifique, Francia | es_ES |
dc.contributor.funder | Agencia Estatal de Investigación | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |
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