One-Pot Synthesis of Rh Nanoparticles in Polycationic-Shell, Triphenylphosphine Oxide-Functionalized Core-Crosslinked Micelles for Aqueous Biphasic Hydrogenation

Chantal J. Abou-Fayssal, Leonhard Schill, Rinaldo Poli*, Eric Manoury*, Karine Philippot*, Anders Riisager*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Cationic-shell core-crosslinked micelles (CCM−C) with rhodium nanoparticles (RhNPs) anchored to core-linked triphenylphosphine oxide (TPPO) ligands were synthesized by a facile one-pot approach by the reduction of [Rh(COD)(μ-Cl)]2/toluene in the presence of an aqueous TPPO@CCM−C latex. The resulting RhNP-TPPO@CCM−C latex showed to be performant for the aqueous biphasic hydrogenation of styrene with an average corrected turnover frequency (cTOF) up to 23600 h−1 based on the RhNP surface atoms. The catalyst system also proved reusable in multiple catalytic runs without any visible RhNP loss during the recycling process as well as applicable to the hydrogenation of other selected alkenes, alkynes and carbonyl substrates (average cTOF of 1000–3200 h−1), thus demonstrating a high versatility.

Original languageEnglish
Article numbere202400189
JournalChemCatChem
Number of pages11
ISSN1867-3880
DOIs
Publication statusAccepted/In press - 2024

Keywords

  • Aqueous biphasic catalysis
  • Catalytic nanoreactors
  • Core-crosslinked micelles
  • Hydrogenation
  • Rhodium nanoparticles

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