Preparation of betulone via betulin oxidation over Ru nanoparticles deposited on graphitic carbon nitride

N. D. Shcherban, Päivi Mäki-Arvela, Atte Aho, S. А. Sergiienko, M. A. Skoryk, E. Kolobova, I. L. Simakova, Kari Eränen, Annika Smeds, Jarl Hemming, Dmitry Murzin

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Abstract

Derivatives of betulin obtained by oxidation have broad pharmacological applications, demonstrating anti-inflammatory, anti-oxidant, hepatoprotective, and anticancer activity. Ru supported catalysts based on graphitic carbon nitride or N-doped carbon were prepared via a mild reduction of the initial Ru precursor with hydrazine. These catalysts along with Ru supported on carbon nanofibers and a mesoporous carbon support Sibunit were studied in catalytic oxidation of betulin. Ru/carbon nitride demonstrated catalytic activity in betulin oxidation higher than Ru/N-doped carbon (conversion of betulin up to ca. 70% and 30%, respectively). Selectivity to different oxidation products was dependent on the properties of the carbon supports.
Original languageUndefined/Unknown
Pages (from-to)723–732
Number of pages10
JournalCatalysis Letters
Volume149
DOIs
Publication statusPublished - 2019
MoE publication typeA1 Journal article-refereed

Keywords

  • Carbon nitride
  • Betulone
  • Betulin oxidation

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