Enantioselective hydrogenation in ionic liquids: Recyclability of the [Rh(COD)(DIPAMP)]BF4 catalyst in [bmim][BF4]

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Abstract

Asymmetric hydrogenation of (Z)-α-acetamidocinnamic acid and methyl-(Z)-α-acetamidocinnamate by [Rh(COD)(DIPAMP)][BF4] catalyst was studied in ionic liquid/isopropanol two-phase catalytic system. In this system 97-100% conversion was achieved and the enantioselectivity values were over 90%. Application of [bmim][BF4] ionic liquid made it possible to recycle the catalyst in consecutive cycles. After four cycles, neither significant conversion nor enantioselectivity decrease was observed.

Original languageEnglish
Pages (from-to)2756-2759
Number of pages4
JournalInorganica Chimica Acta
Volume359
Issue number9
DOIs
Publication statusPublished - Jun 1 2006

Keywords

  • Dipamp
  • Enantioselective hydrogenation
  • Ionic liquid
  • Rhodium

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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