Europium-containing organic gels and organic and carbon aerogels. Preparation and initial applications in catalysis

Sandra Martínez, Laura Martín, Elies Molins, Marcial Moreno-Mañas, Anna Roig, Adelina Vallribera

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)

Abstract

We prepared organic gels and organic and carbon aerogels doped with europium through sol-gel processes. Eu-gels were prepared by sol-gel polymerization of the potassium salt of 2,4-dihydroxybenzoic acid with formaldehyde followed by ion-exchange with Eu(OTf)3. Eu-organic aerogels were obtained after CO2 supercritical drying of the gels and Eu-carbon aerogels were obtained by pyrolysing the organic aerogels. The Eu-gels containing 12% europium proved to be efficient as recoverable catalyst in Michael additions. © Springer-Verlag 2006.
Original languageEnglish
Pages (from-to)627-633
JournalMonatshefte fur Chemie
Volume137
Issue number5
DOIs
Publication statusPublished - 1 May 2006

Keywords

  • Catalysts
  • Lanthanoids
  • Michael reaction
  • Nucleophilic additions

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