Palladium nanoparticle-graphene catalysts for asymmetric hydrogenation

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We report for the first time the application of palladium nanoparticle-graphene (Pd/Gn) catalysts in the asymmetric hydrogenation of aliphatic α,β-unsaturated carboxylic acids using cinchonidine as chiral modifier. Pd/Gns were prepared by deposition-precipitation from the aqueous phase over graphite oxide and subsequent simultaneous reduction of both the support and the metal precursor with NaBH 4 . The materials obtained were characterized by ICP optical emission spectroscopy, X-ray diffraction spectroscopy, Raman spectroscopy, transmission electron microscopy and X-ray photoelectron spectroscopy. We demonstrate that the Pd/Gns modified by cinchonidine can act as efficient catalysts in the asymmetric hydrogenation of α,β-unsaturated carboxylic acids for producing optically enriched saturated carboxylic acids.

Original languageEnglish
Pages (from-to)539-546
Number of pages8
JournalCatalysis Letters
Issue number6
Publication statusPublished - Jun 2013


  • Carboxylic acid
  • Cinchona alkaloid
  • Enantioselective
  • Graphene
  • Hydrogenation
  • Palladium

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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