As-prepared and intercalated layered double hydroxides of the hydrocalumite type as efficient catalysts in various reactions

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Abstract

The activities of the research group in the synthesis, characterization and, especially catalytic applications of layered double hydroxides (LDHs) of the hydrocalumite type are reviewed placing the work in literature context. In the project, CaFe- and CaAl-LDHs and their intercalated varieties were synthesized with wet chemical, mechanochemical and ultrasonically-assisted mechanochemical methods, and their structural characterization was performed with state-of-the-art methods. Metal ion [Mn(II), Cu(II), Fe(III) or Ni(II)]-amino acid (l-tyrosine, . l-histidine or . l-cysteine)-CaAl-LDH composites were also prepared and characterized. The as-prepared LDHs and composites were applied in a wide range of reactions like epoxidation/oxidation of olefins with or without additional functionality, the Baeyer-Villiger oxidation, cross-aldol dimerization-condensation or the Ullmann-type coupling reactions. The activities, selectivities and recycling abilities of the catalysts were investigated.

Original languageEnglish
JournalCatalysis Today
DOIs
Publication statusAccepted/In press - Aug 28 2016

Keywords

  • Activities
  • Cross-aldol dimerization-condensation
  • Layered double hydroxides
  • Oxidative transformations
  • Recycling abilities
  • Selectivities
  • Structural characterization
  • Synthesis methods

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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