A new recyclable Pd catalyst supported on vertically aligned carbon nanotubes for microwaves-assisted Heck reactions

Izabela Janowska, Kambiz Chizari, Jean Hubert Olivier, Raymond Ziessel, Marc Jacques Ledoux, Cuong Pham-Huu

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Palladium supported on vertically aligned multi-walled carbon nanotubes (Pd/VA-CNTs) is used as catalyst for the C-C coupling reactions of p-iodonitrobenzene with styrene and ethyl acrylate under microwaves irradiation. Pd/VA-CNTs catalyst exhibits higher activity compared to Pd supported on activated charcoal, under the same reaction conditions. Due to the microwaves irradiation, the kinetics of the reaction is strongly accelerated compared to that obtained with a traditional heating mode. The macroscopic form of aligned CNTs support allows an easy recovery of the catalyst, avoiding a costly post-reaction filtration. In addition, the interaction between the active phase and the support leads to the negligible leaching of palladium during recycling tests. The observed results indicate that Pd/CNTs is a recyclable and stable heterogeneous catalytic system.

Original languageEnglish (US)
Pages (from-to)663-670
Number of pages8
JournalComptes Rendus Chimie
Volume14
Issue number7-8
DOIs
StatePublished - Jul 1 2011
Externally publishedYes

Keywords

  • Aligned carbon nanotubes
  • Heck coupling
  • Heterogeneous catalysis
  • Microwaves
  • Palladium

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

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