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  • Chemistry  (1)
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    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 577 (1989), S. 115-121 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Contributions to the Chemistry of Organometallic Metallacyclic Transition Metal Compounds. I. Synthesis and Properties of Li2(solv)x and its Reaction with CO2The reaction of ZrCl4(thf)2 with LiCH2CH2CH2CH2Li at -78°C in diethyl ether and addition of tetrahydrofuran (thf) yield Li2Zr(C4H8)3(thf)5,5 (I). The displacement of thf by dioxane (dx) or tetramethylethylenediamine (tmed) gives Li2Zr(C4H8)3(dx)3 (Ia) or Li2Zr(C4H8)3(tmed)3 (Ib). I decomposes at room temperature, Ia and Ib however are stable at room temperature for a short time.The reaction between I and CO2 and subsequent treatment of the reaction mixtures with water yield .
    Notes: Die Umsetzung von ZrCl4(thf)2 mit LiCH2CH2CH2CH2Li bei -78°C in Diethylether führt nach Zugabe von Tetrahydrofuran (thf) zur Bildung von Li2Zr(C4H8)3(thf)5,5 (I). Der Austausch von thf gegen 1,4-Dioxan (dx) bzw. Tetramethylethylendiamin (tmed) ergibt die kristallinen Verbindungen Li2Zr(C4H8)3(dx)3 (Ia) bzw. Li2Zr(C4H8)3(tmed)3 (Ib). Während die Zer-setzung von I bei Raumtemperatur sehr bald unter Dunkelfärbung beginnt, sind Ia und Ib begrenzte Zeit bei Raumtemperatur lagerfähig.Die Umsetzung von I mit CO2 und anschließende Hydrolyse der Reaktionsprodukte ergeben .
    Type of Medium: Electronic Resource
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