A carbon nanotube confinement strategy to implement homogeneous asymmetric catalysis in the solid phase

Kazuki Hashimoto, Naoya Kumagai, Masakatsu Shibasaki

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

A readily recyclable asymmetric catalyst has been developed based on the self-assembly of a homogeneous catalyst in a fibrous network of multiwalled carbon nanotubes (MWNTs). Dimerization of an amide-based chiral ligand with a suitable spacer allows for the efficient formation of a heterogeneous catalyst by self-assembly on addition of Er(OiPr)3. The self-assembly proceeds in the MWNT fibrous network and small clusters of assembled catalyst are confined in the MWNTs, producing an easily handled solid-phase catalyst. The resulting MWNT-confined catalyst exhibits a good catalytic performance in a catalytic asymmetric Mannich-type reaction, which can be conducted in a repeated batch system and in a continuous-flow platform.

Original languageEnglish
Pages (from-to)4262-4266
Number of pages5
JournalChemistry - A European Journal
Volume21
Issue number11
DOIs
Publication statusPublished - 2015 Mar 9
Externally publishedYes

Keywords

  • asymmetric catalysis
  • carbon nanotubes
  • erbium
  • heterogeneous catalysis
  • Mannich reaction

ASJC Scopus subject areas

  • Catalysis
  • Organic Chemistry

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