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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 634-638 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Electronic Structure of the 1,1,3,3-Tetrakis(dimethylamino)allyl CationSemiempirical calculations of the CNDO/2 type for the cation 1 show the conjugation of the amino groups with the allyl system to be very efficient, in spite of the twisted structure of 1. This conjugation leads to a high negative charge at C-2. Correspondingly the 13C n.m.r. signal for C-2 is found at a very high field.
    Notes: Semiempirische Berechnungen nach dem CNDO/2 -Verfahren zeigen, daß im Kation 1 die Konjugation des Allylsystems mit den Aminogruppen trotz der verdrillten Struktur sehr wirksam ist und daß dadurch eine hohe negative Ladung an C-2 entsteht. Im Einklang damit wird im 13C-NMR-Spektrum eine sehr starke Abschirmung des Atoms C-2 gefunden.
    Type of Medium: Electronic Resource
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