Olefin metathesis in confined spaces: the encapsulation of Hoveyda–Grubbs catalyst in peanut, square, and capsule shaped hollow silica gels

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buir.contributor.authorSağdıç, Kutay
buir.contributor.authorİnci, Fatih
buir.contributor.authorİnci, Fatih|
buir.contributor.orcidSağdıç, Kutay|0000-0002-6114-9795
dc.citation.epage6183en_US
dc.citation.issueNumber12en_US
dc.citation.spage6174en_US
dc.citation.volumeNumber20en_US
dc.contributor.authorAşkun, M.
dc.contributor.authorSağdıç, Kutay
dc.contributor.authorİnci, Fatih
dc.contributor.authorÖztürk, B.Ö.
dc.date.accessioned2023-02-16T08:19:11Z
dc.date.available2023-02-16T08:19:11Z
dc.date.issued2022-08-22
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractIn this study, Hoveyda–Grubbs 2nd generation (HG2) catalyst was encapsulated in hollow mesoporous silica gels with various morphologies (peanut, square, and capsule) by reducing the pore size of the mesoporous shell. The resulting catalytic system efficiently catalyzed the ring-closing metathesis of diethyl diallylmalonate, as well as the ethenolysis reactions of methyl oleate and fatty acid methyl ester mixtures. The interior void in hollow silica gel provided a confined isolated site for both ruthenium catalyst and olefinic substrates where the performance and recyclability in metathesis reactions were improved compared to the homogenous analogs. Finally, the catalyst could be easily recycled and used in ring-closing metathesis of diethyl diallylmalonate up to the 10th turn. In sum, this study has demonstrated that hollow silica gels are efficient materials for the encapsulation of homogenous catalysts, which improve the stability of the HG2 even under an air atmosphere, maintaining its activity for up to 6 months of storage time on the benchtop.en_US
dc.description.provenanceSubmitted by Samet Emre (samet.emre@bilkent.edu.tr) on 2023-02-16T08:19:11Z No. of bitstreams: 1 Olefin_metathesis_in_confined_spaces_the_encapsulation_of_Hoveyda–Grubbs_catalyst_in_peanut,_square,_and_capsule_shaped_hollow_silica_gels.pdf: 2643536 bytes, checksum: 4d10f9daccd30ba60dc2357542c47af5 (MD5)en
dc.description.provenanceMade available in DSpace on 2023-02-16T08:19:11Z (GMT). No. of bitstreams: 1 Olefin_metathesis_in_confined_spaces_the_encapsulation_of_Hoveyda–Grubbs_catalyst_in_peanut,_square,_and_capsule_shaped_hollow_silica_gels.pdf: 2643536 bytes, checksum: 4d10f9daccd30ba60dc2357542c47af5 (MD5) Previous issue date: 2022-08-22en
dc.identifier.doi10.1039/D2CY01291Jen_US
dc.identifier.eissn2044-4761
dc.identifier.urihttp://hdl.handle.net/11693/111413
dc.language.isoEnglishen_US
dc.publisherRoyal Society of Chemistryen_US
dc.relation.isversionofhttps://doi.org/10.1039/D2CY01291Jen_US
dc.source.titleCatalysis Science & Technologyen_US
dc.titleOlefin metathesis in confined spaces: the encapsulation of Hoveyda–Grubbs catalyst in peanut, square, and capsule shaped hollow silica gelsen_US
dc.typeArticleen_US

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