Identification of novel chiral aluminium containing oxonium cations in the enantioselective hydrogenation of ethyl pyruvate catalyzed using cinchonidine modified Pt-alumina in acetic acid

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The first identification of aluminium containing oxonium cations having chiral atomic groups is described which may play a role in enantioselective hydrogenation of ethyl pyruvate using Pt-alumina catalyst in AcOH. The structure these cations at m/z = 509 and m/z = 567 is: [O{Al(OAc) 2 } 2 Al(OPy.OLt)] + and [O(AlOAc.OLt) 2 Al(OPy) 2 ] + .

Original languageEnglish
Pages (from-to)361-366
Number of pages6
JournalReaction Kinetics and Catalysis Letters
Issue number2
Publication statusPublished - Jul 2005



  • Chirality
  • ESI-ion-trap-mass spectrometry
  • Enantioselective
  • Hydrogenation
  • Oxonium cations
  • Pt-alumina

ASJC Scopus subject areas

  • Catalysis
  • Physical and Theoretical Chemistry

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