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  • Functionalized silica  (1)
  • N-Heterocyclic bases  (1)
  • 1
    ISSN: 1434-4475
    Keywords: Ruthenium acetate cluster ; Spectroelectrochemistry ; Functionalized silica
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Der dreikernige Cluster [Ru3O(Ac)6(py)2(acpy)]PF6(py: Pyridin;acpy: 4-Acetylpyridin) wurde hergestellt und an funktionalisiertem Kieselgel verankert. Mit Hilfe cyclischer Voltammetrie und spektroelektrochemischer Messungen konnten fünf aufeinanderfolgende Redoxpaare beobachtet werden (E 0=−1.4, −0.98, 0.21, 1.23 und 2.2 V bezüglich SHE). Die elektrochemischen und spektroskopischen Eigenschaften bleiben in den fixierten Clustern erhalten und erlauben deren Verwendung in Optoden und bei Elektronenübertragungsprozessen.
    Notes: Summary The trinuclear cluster [Ru3O(Ac)6(py)2(acpy)]PF6 (py: pyridine;acpy: 4-acetylpyridine) has been synthesized and anchored on functionalized silica. Five successive redox couples exhibitingE°=−1.4, −0.98, 0.21, 1.23, and 2.2 Vvs. SHE have been characterized in acetonitrile solutions based on cyclic voltammetry and spectroelectrochemical measurements. The redox and spectroscopic properties are maintained in the immobilized species, allowing its use in optodes and in electron transfer processes.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1612-1112
    Keywords: Column liquid chromatography ; Ruthenium mixed complexes ; Sulfoxides ; N-Heterocyclic bases ; Hydrophobic properties of aromatic ligand
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The elution behaviour of a series of dichlorobis-(dimethylsulfoxide)bis(N-heterocyclic)ruthenium(II) complexes has been investigated using reversed-phase HPLC. Similar trends as those displayed by the free N-heterocyclic bases have been observed for the complexes, essentially reflecting the hydrophobic properties of the aromatic ligands.
    Type of Medium: Electronic Resource
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