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  • 1
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The 13C chemical shifts of uronium-, thiouronium- and guanidinum salts are reported, and compared with the shifts of the corresponding uncharged ureas, thioureas and guanidines. The shifts for the aromatic carbon atoms in these compounds compared with related phenols and thiophenols give insight into the charge distribution in the systems.
    Notes: Die 13C-NMR-chemischen Verschiebungen von Uronium-, Thiouronium- und Guanidiniumsalzen werden mit den entsprechenden ungeladenen Harnstoffen, Thioharnstoffen und Guanidinen verglichen. Die chemischen Verschiebungen der aromatischen Kohlenstoffatome geben in Zusammenhang mit den entsprechenden Phenolen und Thiophenolen einen Einblick in die Ladungsverteilung in diesen Systemen.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
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