One-pot reactions with sol-gel entrapped catalysts, acids and bases

Faina Gelman, Jochanan Blum*, Herbert Schumann, David Avnir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

Silica sol-gel entrapped acids, bases and organometallic catalysts are used successfully in one-pot reactions without interfering with each other. Both physically and covalently entrapped acids and bases were employed in these processes, including polystyrene sulfonic acid, 1-propane sulfonic acid, molybdosilicic acid (SiO2-MoO3), poly[(vinylbenzyltrimethyl)ammonium] hydroxide and 1,5,7-triazabicyclo[4.4.0]decene. The entrapped metal-based catalysts are Rh2Co2(CO)12 and RuCl2(PPh3)3. The one-pot reactions carried out with these heterogenized reagents and catalysts include formation of alkenes under acidic and basic conditions, C-C bond formation by condensation reactions with an a-carbon to a carbonyl, hydroformylation and hydrogenation.

Original languageEnglish
Pages (from-to)43-46
Number of pages4
JournalJournal of Sol-Gel Science and Technology
Volume26
Issue number1-3
DOIs
StatePublished - Jan 2003

Keywords

  • Catalysis
  • Doped sol-gel
  • Hydrogenation
  • One-pot reactions
  • Ormosils
  • Sol-gel acids
  • Sol-gel bases

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