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Recyclable glucose-derived palladium(0) nanoparticles as in situ-formed catalysts for cross-coupling reactions in aqueous media

Camp, Jason, Dunsford, Jay J., Dacosta, Oliver S. G., Blundell, Rebecca K., Adams, James, Britton, Joshua, Smith, Robert J., Bousfield, Thomas W. and Fay, Michael W. (2016) Recyclable glucose-derived palladium(0) nanoparticles as in situ-formed catalysts for cross-coupling reactions in aqueous media. RSC Advances, 6 (20). pp. 16115-16121. ISSN 2046-2069

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Abstract

In situ-generated, glucose-derived palladium(0) nanoparticles were shown to be convenient and effective catalysts for aqueous Mizoroki-Heck, Sonogashira and Suzuki-Miyaura cross-coupling reactions. The addition of only 4-10 mol glucose to the reaction mixture lead to a significant increase in yield of the desired products in comparison to processes that omitted the renewable sugar. Interestingly, the Mizoroki-Heck reaction was observed to proceed in good yield even as the reaction reached acidic pH levels. Extensive analysis of the size and morphology of the in situ-formed palladium nanoparticles using advanced analytical techniques showed that the zero valent metal was surrounded by hydrophilic hydroxyl groups. The increased aqueous phase affinity afforded by these groups allowed for facile recycling of the catalyst.

Item Type: Article
Subjects: Q Science > QD Chemistry
Schools: School of Applied Sciences
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Depositing User: Jason Camp
Date Deposited: 14 Apr 2016 10:50
Last Modified: 01 Dec 2016 01:54
URI: http://eprints.hud.ac.uk/id/eprint/28035

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