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Application of Pd Nanoparticles Supported on Mesoporous Hollow Silica Nanospheres for the Efficient and Selective Semihydrogenation of Alkynes
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 Organic Chemistry.
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2016 (English)In: ChemCatChem, ISSN 1867-3880, E-ISSN 1867-3899, Vol. 8, no 4, 773-778 p.Article in journal (Refereed) Published
Abstract [en]

Herein, the preparation of a heterogeneous catalyst consisting of 1-2nm sized Pd nanoparticles supported on amino-functionalized mesoporous hollow silica nanospheres and its use for the semihydrogenation of mono- and disubstituted alkynes is reported. By utilizing this Pd nanocatalyst together with the green poisoning agent DMSO, high yields of the desired alkenes could be achieved, while suppressing the degree of over-reduction to alkanes. To our delight, the Pd nanocatalyst displayed remarkable chemoselectivity towards the alkyne moiety, allowing the transformation to be carried out in the presence of other reducible functionalities, such as halogens, carbonyl, and nitro groups.

Place, publisher, year, edition, pages
2016. Vol. 8, no 4, 773-778 p.
Keyword [en]
alkynes, heterogeneous catalysis, nanocatalysis, palladium, semihydrogenation
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-128547DOI: 10.1002/cctc.201501112ISI: 000371222600017OAI: oai:DiVA.org:su-128547DiVA: diva2:939957
Funder
Swedish Research CouncilVINNOVAKnut and Alice Wallenberg Foundation
Available from: 2016-06-20 Created: 2016-03-30 Last updated: 2017-05-26Bibliographically approved

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Verho, OscarZheng, HaoquanGustafson, Karl P. J.Nagendiran, AnujaZou, XiaodongBäckvall, Jan-E.
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