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Acid-catalyzed etherification of glycerol with tert-butanol: reaction monitoring through a complete identification of the produced alkyl ethers

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dc.contributor.authorCornejo Ibergallartu, Alfonso
dc.contributor.authorReyero Zaragoza, Inés
dc.contributor.authorCampo Aranguren, Idoia
dc.contributor.authorArzamendi Manterola, María Cruz
dc.contributor.authorGandía Pascual, Luis
dc.contributor.departmentCienciases_ES
dc.contributor.departmentZientziakeu
dc.contributor.departmentInstitute for Advanced Materials and Mathematics - INAMAT2en
dc.date.accessioned2024-01-23T18:00:42Z
dc.date.available2024-01-23T18:00:42Z
dc.date.issued2023
dc.date.updated2024-01-23T17:47:20Z
dc.description.abstractHigher tert-Butyl glycerol ethers (tBGEs) are interesting glycerol derivatives that can be produced from tert-butyl alcohol (TBA) and glycerol using an acid catalyst. Glycerol tert-butylation is a complex reaction that leads to the formation of five tBGEs (two monoethers, two diethers, and one triether). In order to gain insight into the reaction progress, the present work reports on the monitoring of glycerol etherification with TBA and p-toluensulfonic acid (PTSA) as homogeneous catalysts. Two analytical techniques were used: gas chromatography (GC), which constitutes the benchmark method, and( 1)H nuclear magnetic resonance (H-1 NMR), whose use for this purpose has not been reported to date. A method for the quantitative analysis of tBGEs and glycerol based on H-1 NMR is presented that greatly reduced the analysis time and relative error compared with GC-based methods. The combined use of both techniques allowed for a complete quantitative and qualitative description of the glycerol tert-butylation progress. The set of experimental results collected showed the influence of the catalyst concentration and TBA/glycerol ratio on the etherification reaction and evidenced the intrinsic difficulties of this process to achieve high selectivities and yields to the triether.en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationCornejo, A., Reyero, I., Campo, I., Arzamendi, G., Gandia, L. M. (2023) Acid-catalyzed etherification of glycerol with tert-butanol: reaction monitoring through a complete identification of the produced alkyl ethers. Catalysts, 13(10), 1-23. https://doi.org/10.3390/catal13101386.en
dc.identifier.doi10.3390/catal13101386
dc.identifier.issn2073-4344
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/47166
dc.language.isoengen
dc.publisherMDPIen
dc.relation.ispartofCatalysts 2023, 13(10), 1386en
dc.relation.publisherversionhttps://doi.org/10.3390/catal13101386
dc.rights© 2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license.en
dc.rights.accessRightsAcceso abierto / Sarbide irekiaes
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectEtherificationen
dc.subjectGlycerolen
dc.subjectHomogeneous acid catalysten
dc.subjectReaction monitoringen
dc.subjectTert-butylationen
dc.titleAcid-catalyzed etherification of glycerol with tert-butanol: reaction monitoring through a complete identification of the produced alkyl ethersen
dc.typeArtículo / Artikuluaes
dc.typeinfo:eu-repo/semantics/articleen
dc.type.versionVersión publicada / Argitaratu den bertsioaes
dc.type.versioninfo:eu-repo/semantics/publishedVersionen
dspace.entity.typePublication
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relation.isAuthorOfPublicationa563cdcf-aa65-4dbf-902c-308aa67c766f
relation.isAuthorOfPublication19fe1570-daca-47af-a10c-8ba756c5e022
relation.isAuthorOfPublication98a41161-79b6-4c0e-b6a2-9cb1c5b214ea
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relation.isAuthorOfPublication.latestForDiscoveryeabef884-715a-460f-b2a1-e62568297b4a

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