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

Fingerprint

Ionic Liquids
Hydrogenation
crack opening displacement
Enantioselectivity
Ionic liquids
hydrogenation
catalysts
cycles
Catalysts
2-Propanol
liquids
acids
Acids

Keywords

  • Dipamp
  • Enantioselective hydrogenation
  • Ionic liquid
  • Rhodium

ASJC Scopus subject areas

  • Biochemistry
  • Inorganic Chemistry
  • Physical and Theoretical Chemistry
  • Materials Chemistry

Cite this

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title = "Enantioselective hydrogenation in ionic liquids: Recyclability of the [Rh(COD)(DIPAMP)]BF4 catalyst in [bmim][BF4]",
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.",
keywords = "Dipamp, Enantioselective hydrogenation, Ionic liquid, Rhodium",
author = "Tam{\'a}s Fr{\'a}ter and L. Gubicza and A. Sz{\"o}ll{\"o}sy and J. Bakos",
year = "2006",
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T1 - Enantioselective hydrogenation in ionic liquids

T2 - Recyclability of the [Rh(COD)(DIPAMP)]BF4 catalyst in [bmim][BF4]

AU - Fráter, Tamás

AU - Gubicza, L.

AU - Szöllösy, A.

AU - Bakos, J.

PY - 2006/6/1

Y1 - 2006/6/1

N2 - 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.

AB - 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.

KW - Dipamp

KW - Enantioselective hydrogenation

KW - Ionic liquid

KW - Rhodium

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