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  • 1
    ISSN: 1434-4475
    Keywords: Ruthenium ; Binuclear complexes ; X-Ray analysis ; Oxidation ; Bisphosphines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Die Komplexe {RuCp*(μ-Cl)}2(μ-dppm) (1) und {RuCp*(μ-Cl2(μ-dppe) (3) wurden durch Umsetzung von [RuCp*(μ3-Cl)]4 mitdppm bzw.dppe dargestellt.1 wird durch AgCF3SO3 zum zweikernigen Komplex [{RuCp*(μ-Cl)}2(μ-dppm)](SO3CF3)2 (2) oxidiert, welcher eine Ru-Ru-Metallbindung aufweist. Unter den gleiche Reaktionsbedingungen zersetzt sich3 zu undefinierten Produkten. Analog zu1 reagiert RuCp* (dmpe)Cl mit AgCF3SO3 zum Ru(III)-Komplex [Ru(Cp*)(dmpe)Cl](SO3CF3) (4) wobei es zu keiner Chloridabspaltung kommt. Von2,3, und4 wurden die Kristallstrukturen bestimmt.
    Notes: Summary The dinuclear complexes {RuCp*(μ-Cl)}2(μ-dppm) (1) and {RuCp*(μ-Cl)}2 (μ-dppe) (3) are obtained by reacting [RuCp*(μ3-Cl)]4 withdppm, anddppe, respectively.1 is readily oxidized with AgCF3SO3, instead of chloride abstraction, to afford the dinuclear complex [{RuCp*(μ-Cl)}2(μ-dppm)](SO3CF3)2 (2) with two metal centers connected by a single Ru-Ru bond. Under the same conditions,3 decomposes to several intractable materials. Similarly to1, RuCp* (dmpe)Cl reacts with AgCF3SO3 to afford the Ru(III) complex [RuCp*(dmpe)Cl](SO3CF3) (4) without no halide abstraction. The crystal structures of2,3, and4 are presented.
    Type of Medium: Electronic Resource
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