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dc.contributor.author | Primo Arnau, Ana María | es_ES |
dc.contributor.author | Aguado, Eric | es_ES |
dc.contributor.author | García Gómez, Hermenegildo | es_ES |
dc.date.accessioned | 2015-11-18T12:17:19Z | |
dc.date.issued | 2013-04 | |
dc.identifier.issn | 1867-3880 | |
dc.identifier.uri | http://hdl.handle.net/10251/57681 | |
dc.description.abstract | Ceria nanoparticles (average particle size: 8nm) have been obtained by the calcination of alginate aerogel beads that were precipitated from aqueous solutions of (NH4)2Ce(NO3)6. These nanoparticles were considerably more active as a catalyst for CO2-insertion into aliphatic ,-diamines than the analogous commercial CeO2 with larger particle size (40nm). CeO2 that was obtained by templating with the natural alginate biopolymer afforded the cyclic urea of ethylenediamine in EtOH solvent at 160 degrees C in 37% yield. This yield is remarkable for a process that involves CO2 as a feedstock. Other ,-diamines, such as diethylenetriamine, N,N-dimethylethylenediamine, N-(2-aminoethyl)acetamide, and 1,4-diaminobutane, also formed their corresponding cyclic ureas in 436% yield. The catalyst lost activity upon reuse, thereby leading to severe deactivation that was only partially recovered by washing with aqueous acidic solutions. | es_ES |
dc.description.sponsorship | Financial support by the Spanish Ministry of Science and Innovation (CTQ2009-11583) is gratefully acknowledged. A. P. thanks the Spanish National Research Council for a JAE DOC Research Associate contract. | en_EN |
dc.language | Inglés | es_ES |
dc.publisher | Wiley-VCH Verlag | es_ES |
dc.relation.ispartof | ChemCatChem | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | carbon dioxide fixation | es_ES |
dc.subject | cycloaddition | es_ES |
dc.subject | diamines | es_ES |
dc.subject | nanoparticles | es_ES |
dc.subject | template synthesis | es_ES |
dc.subject.classification | QUIMICA ORGANICA | es_ES |
dc.title | CO2-Fixation on Aliphatic alpha ,omega-Diamines to Form Cyclic Ureas, Catalyzed by Ceria Nanoparticles that were Obtained by Templating with Alginate | es_ES |
dc.type | Artículo | es_ES |
dc.embargo.lift | 10000-01-01 | |
dc.embargo.terms | forever | es_ES |
dc.identifier.doi | 10.1002/cctc.201200329 | |
dc.relation.projectID | info:eu-repo/grantAgreement/MICINN//CTQ2009-11583/ES/Ruptura Fotocaliftica del Agua con Luz Solar/ | es_ES |
dc.rights.accessRights | Cerrado | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Química - Departament de Química | es_ES |
dc.description.bibliographicCitation | Primo Arnau, AM.; Aguado, E.; García Gómez, H. (2013). CO2-Fixation on Aliphatic alpha ,omega-Diamines to Form Cyclic Ureas, Catalyzed by Ceria Nanoparticles that were Obtained by Templating with Alginate. ChemCatChem. 5(4):1020-1023. https://doi.org/10.1002/cctc.201200329 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1002/cctc.201200329 | es_ES |
dc.description.upvformatpinicio | 1020 | es_ES |
dc.description.upvformatpfin | 1023 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 5 | es_ES |
dc.description.issue | 4 | es_ES |
dc.relation.senia | 229682 | es_ES |
dc.contributor.funder | Ministerio de Ciencia e Innovación | es_ES |
dc.contributor.funder | Consejo Superior de Investigaciones Científicas | es_ES |
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