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dc.contributor.authorPereira, Fernanda Stuani-
dc.contributor.authordeAzevedo, Eduardo Ribeiro-
dc.contributor.authorda Silva, Eirik F.-
dc.contributor.authorBonagamba, Tito Jose-
dc.contributor.authorAgostini, Deuber L. da Silva-
dc.contributor.authorMagalhaes, Alvicler-
dc.contributor.authorJob, Aldo Eloizo-
dc.contributor.authorGonzalez, Eduardo R. Perez-
dc.identifier.citationTetrahedron. Oxford: Pergamon-Elsevier B.V. Ltd, v. 64, n. 43, p. 10097-10106, 2008.-
dc.description.abstractFixation of CO2 is one of the most important priorities of the scientific community dedicated to reduce global warming. In this work, we propose new methods for the fixation of CO2 using the guanidine bases tetramethylguanidine (TMG) and 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]-pyrimidine (TBD). In order to understand the reactions occurring during the CO2 fixation and release processes, we employed several experimental methods, including solution and solid-state NMR, FTIR, and coupled TGA-FTIR. Quantum mechanical NMR calculations were also carried out. Based on the results obtained, we concluded that CO2 fixation with both TMG and TBD guanidines is a kinetically reversible process, and the corresponding fixation products have proved to be useful as transcarboxylating compounds. Afterward, CO2 thermal releasing from this fixation product with TBD was found to be an interesting process for CO2 capture and isolation purposes. (C) 2008 Elsevier Ltd. All rights reserved.en
dc.publisherPergamon-Elsevier B.V. Ltd-
dc.sourceWeb of Science-
dc.titleStudy of the carbon dioxide chemical fixation-activation by guanidinesen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversidade de São Paulo (USP)-
dc.contributor.institutionSINTEF Mat & Chem-
dc.description.affiliationUNESP, Fac Ciencias & Tecnol, Dept Fis Quim & Biol, BR-19060080 Presidente Prudente, SP, Brazil-
dc.description.affiliationUniv São Paulo, Inst Fis, BR-13560970 São Carlos, SP, Brazil-
dc.description.affiliationSINTEF Mat & Chem, NO-7465 Trondheim, Norway-
dc.description.affiliationUnespUNESP, Fac Ciencias & Tecnol, Dept Fis Quim & Biol, BR-19060080 Presidente Prudente, SP, Brazil-
dc.rights.accessRightsAcesso restrito-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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