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Cellulose-Supported Heterogeneous Gold-Catalyzed Cycloisomerization Reactions of Alkynoic Acids and Allenynamides
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK), Inorganic and Structural Chemistry.ORCID iD: 0000-0001-7286-1211
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Number of Authors: 62023 (English)In: ACS Catalysis, ISSN 2155-5435, E-ISSN 2155-5435, Vol. 13, no 15, p. 10418-10424Article in journal (Refereed) Published
Abstract [en]

Herein, we describe efficient nanogold-catalyzed cycloisomerization reactions of alkynoic acids and allenynamides to enol lactones and dihydropyrroles, respectively (the latter via an Alder-ene reaction). The gold nanoparticles were immobilized on thiol-functionalized microcrystalline cellulose and characterized by electron microscopy (HAADF-STEM) and by XPS. The thiol-stabilized gold nanoparticles (Au-0) were obtained in the size range 1.5-6 nm at the cellulose surface. The robust and sustainable cellulose-supported gold nanocatalyst can be recycled for multiple cycles without losing activity.

Place, publisher, year, edition, pages
2023. Vol. 13, no 15, p. 10418-10424
Keywords [en]
cellulose-supported nanogold catalysis, C-C bondformation, heterogeneous catalysis, cycloisomerization, heterocycles, Alder-ene reaction
National Category
Organic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-223193DOI: 10.1021/acscatal.3c02722ISI: 001066876500001PubMedID: 37560186Scopus ID: 2-s2.0-85167895594OAI: oai:DiVA.org:su-223193DiVA, id: diva2:1807031
Available from: 2023-10-24 Created: 2023-10-24 Last updated: 2023-10-24Bibliographically approved

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Tai, Cheuk-WaiBäckvall, Jan-E.

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Tai, Cheuk-WaiBäckvall, Jan-E.Cordova, Armando
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Inorganic and Structural ChemistryDepartment of Organic Chemistry
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