Rhodium nanoflowers stabilized by a nitrogen-rich PEG-tagged substrate as recyclable catalyst for the stereoselective hydrosilylation of internal alkynes

Wusheng Guo, Roser Pleixats, Alexandr Shafir, Teodor Parella

Research output: Contribution to journalArticleResearchpeer-review

28 Citations (Scopus)

Abstract

© 2015 Wiley-VCH Verlag GmbH & Co. KGaA. Morphology and size controllable rhodium nanoparticles stabilized by a nitrogen-rich polyoxyethylenated derivative have been prepared by reduction of RhCl 3 with NaBH4 in water at room temperature and fully characterized. The flower-like Rh NPs are effective and recyclable catalysts for the stereoselective hydrosilylation of challenging internal alkynes and diynes, affording the (E)-vinylsilanes in quantitative yields for a wide range of substrates. The insolubility of the nanocatalyst in diethyl ether allows its easy separation and recycling.
Original languageEnglish
Pages (from-to)89-99
JournalAdvanced Synthesis and Catalysis
Volume357
Issue number1
DOIs
Publication statusPublished - 11 Dec 2015

Keywords

  • Alkynes
  • Hydrosilylation
  • Polyoxyethylenated compound
  • Recyclable catalyst
  • Rhodium nanoparticles

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