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Niobium to alcohol mol ratio control of the concurring esterification and etherification reactions promoted by NbCl5 and Al2O3 catalysts under microwave irradiation

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dc.contributor.authorBarbosa, Sandro L.
dc.contributor.authorHurtado, Gabriela R.
dc.contributor.authorKlein, Stanlei Ivair [UNESP]
dc.contributor.authorJunior, Valdemar L.
dc.contributor.authorDabdoub, Miguel J.
dc.contributor.authorGuimaraes, Carlos F.
dc.contributor.institutionFed Univ Jequitinhonha & Mucuri Valleys
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal do Espírito Santo (UFES)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2014-05-20T15:31:57Z
dc.date.available2014-05-20T15:31:57Z
dc.date.issued2008-04-01
dc.description.abstractAlcohols and acids can be switched to produce ethers or esters by varying the alcohol to catalyst mol ratio, in a new etherification and esterification method using NbCl5/Al2O3 catalyst under "solvent free" conditions and promoted by MW (microwave) irradiation. A "two sites" mechanism for the reaction is proposed, in an attempt to clarify the tendency of the catalyst to be dependent on the alcohol alone during the esterification process. (c) 2008 Elsevier B.V. All rights reserved.en
dc.description.affiliationFed Univ Jequitinhonha & Mucuri Valleys, Dept Biochem & Pharm, UFVJM, BR-39100000 Diamantina, MG, Brazil
dc.description.affiliationSão Paulo State Univ, Inst Chem Araraquara, Dept Gen & Inorgan Chem, UNESP, BR-14800900 Araraquara, SP, Brazil
dc.description.affiliationUFES, CCE, Dept Chem, BR-29060900 Araraquara, SP, Brazil
dc.description.affiliationUniv São Paulo, Dept Chem, BR-14090401 Ribeirao Preto, SP, Brazil
dc.description.affiliationUnespSão Paulo State Univ, Inst Chem Araraquara, Dept Gen & Inorgan Chem, UNESP, BR-14800900 Araraquara, SP, Brazil
dc.identifierhttp://dx.doi.org/10.1016/j.apcata.2007.12.013
dc.identifier.citationApplied Catalysis A-general. Amsterdam: Elsevier B.V., v. 338, n. 1-2, p. 9-13, 2008.
dc.identifier.doi10.1016/j.apcata.2007.12.013
dc.identifier.issn0926-860X
dc.identifier.lattes2545904877423127
dc.identifier.urihttp://hdl.handle.net/11449/40973
dc.identifier.wosWOS:000254905200002
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofApplied Catalysis A: General
dc.relation.ispartofjcr4.521
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectesterificationen
dc.subjectetherificationen
dc.subjectsolid phase catalysisen
dc.subjectmicrowaveen
dc.subjectsolvent freeen
dc.titleNiobium to alcohol mol ratio control of the concurring esterification and etherification reactions promoted by NbCl5 and Al2O3 catalysts under microwave irradiationen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.author.lattes2545904877423127
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Inorgânica - IQARpt

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Araraquara - IQAR - Instituto de Química