Oxidative polymerization of pyrrole promoted by four-electron transfer to O2

Catalysis of O2-oxidation by μ-oxo dinuclear complexes with macrocyclic ligands

Kenichi Oyaizu, Agus Haryono, Hiroshi Shinoda, Eishun Tsuchida

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    In attempts to provide molecular systems capable of oxidizing aromatic molecules at the expense of O2 that is reduced predominantly by four electrons to H2O, μ-oxo dinuclear metalloporhyrins and metallophthalocyanines were employed as catalysts for the O2-oxidative polymerization of pyrrole. The catalytic behaviors of the complexes depended upon their redox potentials, concentrations and acidity (H0) of the solutions. The first catalytic system allowing the O2-oxidative polymerization of pyrrole with more than 1000 turnovers was devised using (μ-oxo)bis[phthalocyaninato)iron(III)] as the homogeneous catalyst.

    Original languageEnglish
    Pages (from-to)1273-1279
    Number of pages7
    JournalMacromolecular Chemistry and Physics
    Volume202
    Issue number7
    DOIs
    Publication statusPublished - 2001 May 14

    Fingerprint

    Pyrroles
    pyrroles
    Catalysis
    catalysis
    electron transfer
    polymerization
    Ligands
    Polymerization
    catalysts
    Oxidation
    ligands
    oxidation
    Catalysts
    Electrons
    Acidity
    acidity
    Iron
    iron
    Molecules
    molecules

    ASJC Scopus subject areas

    • Polymers and Plastics
    • Materials Chemistry
    • Organic Chemistry
    • Physical and Theoretical Chemistry

    Cite this

    Oxidative polymerization of pyrrole promoted by four-electron transfer to O2 : Catalysis of O2-oxidation by μ-oxo dinuclear complexes with macrocyclic ligands. / Oyaizu, Kenichi; Haryono, Agus; Shinoda, Hiroshi; Tsuchida, Eishun.

    In: Macromolecular Chemistry and Physics, Vol. 202, No. 7, 14.05.2001, p. 1273-1279.

    Research output: Contribution to journalArticle

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