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Mesoporous silica nanoparticles applied as a support for Pd and Au nanocatalysts in cycloisomerization reactions
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Organic Chemistry.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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2014 (English)In: APL materials, ISSN 2166-532X, Vol. 2, no 11, 113316- p.Article in journal (Refereed) Published
Abstract [en]

Ultra-small mesoporous silica nanoparticles (MSNs) have been synthesized at room temperature with particle sizes ranging from 28 to 45 nm. These MSNs have been employed as heterogeneous supports for palladium and gold nanocatalysts. The colloidal nature of the MSNs is highly useful for catalytic applications as it allows for better mass transfer properties and a more uniform distribution of the nanocatalysts in solution. The two nanocatalysts were evaluated in the cycloisomerization of alkynoic acids and demonstrated to produce the corresponding alkylidene lactones in good to excellent yields under mild conditions. In addition to their high activity, the catalysts exhibit low degree of metal leaching and straight-forward recycling, which highlight the practical utility of MSNs as supports for nanocatalysts. (C) 2014 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.

Place, publisher, year, edition, pages
2014. Vol. 2, no 11, 113316- p.
National Category
Chemical Sciences Organic Chemistry
Research subject
Organic Chemistry
Identifiers
URN: urn:nbn:se:su:diva-111930DOI: 10.1063/1.4901293ISI: 000345638800018OAI: oai:DiVA.org:su-111930DiVA: diva2:777221
Funder
Swedish Research CouncilVINNOVAKnut and Alice Wallenberg Foundation
Note

AuthorCount:8;

Available from: 2015-01-08 Created: 2015-01-08 Last updated: 2016-04-13Bibliographically approved

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Verho, OscarGao, FeifeiJohnston, Eric V.Wan, WeiNagendiran, AnujaZheng, HaoquanBäckvall, Jan-ErlingZou, Xiaodong
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