Fluoro-tagged osmium and iridium nanoparticles in oxidation reactions

Lynay Santacruz, Silvia Donnici, Albert Granados, Alexandr Shafir, Adelina Vallribera

Research output: Contribution to journalArticleResearch

2 Citations (Scopus)

Abstract

© 2018 Elsevier Ltd Osmium and iridium metal nanoparticles were supported on a fluorous organic-inorganic hybrid material prepared by the sol-gel process. Moreover, we also found that the thermolysis of the Ir4(CO)12 cluster in simply diphenylether also gave Ir(0) nanoparticles. All the materials were studied as catalysts in oxidation processes. Fluoro-tagged iridium nanoparticles were particularly active in aerobic oxidation processes, whereby the catalytic activity could be greatly enhanced through a simple pre-activation procedure. With this material, benzylic alcohols could be oxidized under O2 balloon in the absence of a basic additive; the oxidative stopped selectively to the corresponding benzaldehyde. Promisingly, the same reaction conditions were used in a benzylic CH oxidation of xanthene.
Original languageEnglish
Pages (from-to)6890-6895
JournalTetrahedron
Volume74
DOIs
Publication statusPublished - 29 Nov 2018

Keywords

  • Iridium
  • Metallic nanoparticles
  • Osmium
  • Oxidation process
  • Sol-gel

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