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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 1488-1490 
    ISSN: 0044-2313
    Keywords: Bis(benzylcyclopentadienyl)zirconium dichloride ; C—H Activation ; Orthometallation Reaction ; Crotylzirconium Compounds ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Intramolecular C—H Activation at Reaction of Bis(benzylcyclopentadienyl)zirconium Dichloride with Vinyllithium  -  Formation of a Crotyl ZirconacyclusBis(benzylcyclopentadienyl)zirconium dichloride, (C6H5CH2—C5H4)2ZrCl2 (V), reacts with vinyl lithium with formation of the chiral compound (C6H5CH2—C5H4)— —CH2CH=CHCH3 (IX) as the product of vinyl group coupling and an orthometallation reaction. The reaction mechanism and the 13C n.m.r. spectrum are discussed.
    Notes: Bei der Reaktion von Bis(benzylcyclopentadienyl)zirconiumdichlorid, (C6H5CH2—C5H4)2ZrCl2 (V), mit Vinyllithium entsteht nicht das entsprechende Divinylderivat, sondern die chirale Crotylverbindung der Formel (C6H5CH2—C5H4)— —CH2CH=CHCH3 (IX) als Produkt einer Kopplung von Vinylgruppen und einer Orthometallierungsreaktion. Der Bildungsmechanismus und das 13C-NMR-Spektrum werden diskutiert.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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