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Synthesis and characterization of a manganese(II) acetonitrile complex supported on functionalized MCM-41

  • Sandra Gago
  • , Yanmei Zhang
  • , Ana M. Santos
  • , Klaus Köhler
  • , Fritz E. Kühn
  • , José A. Fernandes
  • , Martyn Pillinger
  • , Anabela A. Valente
  • , Teresa M. Santos
  • , Paulo J.A. Ribeiro-Claro
  • , Isabel S. Gonçalves
  • University of Aveiro
  • Technical University of Munich

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

The acetonitrile complex [Mn(NCCH3)6] [B(C6F 5)4]2 has been immobilized in the ordered mesoporous silica MCM-41 functionalized with a pyrazolylpyridine (PP) ligand. A metal loading of 0.72 wt.% (0.13mmolg-1) was achieved. Powder X-ray diffraction and N 2 adsorption-desorption analysis of the derivatized material confirmed that the textural properties of the hexagonally ordered host were preserved during the grafting experiment and that the channels remained accessible, despite reductions in surface area and pore volume. The derivatized material was also characterized by thermogravimetric analysis and vibrational spectroscopy.

Original languageEnglish
Pages (from-to)131-136
Number of pages6
JournalMicroporous and Mesoporous Materials
Volume76
Issue number1-3
DOIs
StatePublished - 1 Dec 2004

Keywords

  • Acetonitrile complexes
  • Cationic polymerization
  • Chelating ligands
  • Immobilization
  • Manganese
  • Mesoporous materials

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