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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Monatshefte für Chemie 115 (1984), S. 927-933 
    ISSN: 1434-4475
    Keywords: Bis(cyclopentadienyl)zirkonium(IV) ; Conductance measurement ; Dithiocarbamate ; 1H-NMR ; IR ; Salicylaldehydo chelates ; UV-VIS ; Xanthate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Zusammenfassung Eine neue Gruppe von organometallischen ionischen Chelaten vom Typ [Cp 2Zr(sal)]+ [ROCS2/R′R″NCS2]− (mit Hsal = Salicyladehyd;R =Me, Et, i-Pr oderi-Bu undR′ =R″ =Me, Et, i-Pr;R′ =Me,R″ = Benzyl oderR′ =Et,R″ =m-Tolyl) wurde in wäßrigem Medium mittels der Reaktion von [Cp 2Zr(sal)]+Cl− mitROCS 2 − K+/R′R″NCS 2 − Na+ hergestellt. Die erhaltenen Verbindungen wurden mittels chemischer Analyse, elektrischer Leitfähigkeit und der IR- sowie1H-NMR-Spektren charakterisiert. Diese Untersuchungen zeigen, daß die Komplexe 1:1-Elektrolyte sind, wobei der Salicylaldehyd-Ligand in allen Fällen an der Chelatbildung beteiligt ist. Es wird daher für das Zirkoniumatom eine tetrahedrale Koordination vorgeschlagen.
    Notes: Abstract A new series of organometallic ionic chelates of the type [Cp 2Zr(sal)]+ [ROCS2/R′R″NCS2]−, where Hsal = salicylaldehyde;R =Me, Et, i-Pr ori-Bu andR′ =R″ =Me, Et, i-Pr;R′ =Me,R″ = benzyl orR′ =Et,R″ =m-tolyl, have been synthesized in aqueous medium by the reaction of [Cp 2Zr(sal)]+Cl− andROCS 2 − K+/R′R″NCS 2 − Na+. These compounds have been characterized by chemical analyses, electrical conductance, electronic, IR and1H-NMR spectral studies. These studies indicate that the complexes are 1:1 electrolytes and the salicylaldehyde ligand is chelating in all these complexes. Therefore, a tetrahedral coordination about the zirconium atom is proposed.
    Type of Medium: Electronic Resource
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