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  • Bismuth  (1)
  • Bond cleavage in As4, successive  (1)
  • Coordination number  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Cobaltkomplexe mit As4-Liganden (1992)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 125 (1992), S. 2367-2372 
    Details
    ISSN: 0009-2940
    Keywords: Tetraarsenic ligands ; Oxidative addition ; Bond cleavage in As4, successive ; Cobalt As4 complexes ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Cobalt Complexes with As4 LigandsThe reaction of [Cp*Co(μ-CO)]2(Co = Co) (1) with As4 in boiling toluene gives the cobalt complexes [Cp*Co(CO)(η1:1-As4)] (2), [{Cp*Co(CO)}2(μ-η1:1:1:1-As4)] (3), exo,endo-[Cp*Co(μ-η4:1:1-As4)Co(CO)Cp*] (4a, b), and [Cp*Co(μ-η2:2-As2)]2 (5), Cp* = C5Me5. 2,3, and 4b have been characterized by X-ray structure analyses. With respect to the mechanism of this reaction the successive cleavage of two, three, and four As-As bonds of yellow arsenic, As4, has been proved.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19921251107
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  • 2
    Electronic Resource
    Electronic Resource
    Phosphorus, Arsenic, Antimony, and Bismuth Multiply Bonded Systems with Low Coordination Number  -  Their Role as Complex LigandsDedicated to Professor Max Schmidt on the occasion of his 60th birthday (1985)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 24 (1985), S. 924-943 
    Details
    ISSN: 0570-0833
    Keywords: Antimony ; Coordination number ; Ligands ; Arsenic ; Multiple bonds ; Bismuth ; Complexes ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Multiply bonded systems with low coordination number (one to three) involving phosphorus and its homologues, whether isolable or generated in situ at a metal complex, are versatile ligands that can function as two-, four-, six- or eight-electron donors to transition metal fragments and that may be coordinated in η1 (terminal), η2 (side-on), edge- or face-bridging modes. The (p-p)π bonding system of the ligand is thereby rendered capable of addition and intra- or intermolecular cycloaddition reactions. Some of the polycyclic species thus generated represent novel, polydentate ligands.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/anie.198509241
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