Microwave-assisted base-free oxidation of glucose on gold nanoparticle catalysts

Sari Rautiainen, Petra Lehtinen, Marko Vehkamäki, Klaus Niemelä, Marianna Kemell, Mikko Heikkilä, Timo Repo (Corresponding Author)

    Research output: Contribution to journalArticleScientificpeer-review

    27 Citations (Scopus)

    Abstract

    Base-free oxidation of glucose to gluconic acid with supported gold catalysts was studied using microwave heating. High conversion and selectivity were obtained in a remarkably shortened reaction time; in 10 min gluconic acid was obtained with up to 76% yields with 0.09 mol% Au/Al2O3 and hydrogen peroxide as oxidant. Very high turn-over frequencies over 10,000 h- 1 were measured for the microwave assisted oxidation. Moreover, the catalyst activity remained constant in four consecutive runs, even though minor particle growth was observed.
    Original languageEnglish
    Pages (from-to)115-118
    JournalCatalysis Communications
    Volume74
    DOIs
    Publication statusPublished - 2016
    MoE publication typeA1 Journal article-refereed

    Keywords

    • oxidation
    • carbohydrates
    • heterogeneous catalysis
    • gold
    • microwave chemistry

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