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  • 1
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Organic Magnetic Resonance 7 (1975), S. 199-205 
    ISSN: 0030-4921
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Using the pulse Fourier transform technique, the undecoupled carbon-13 NMR spectra of the products obtained in the reaction of methyltriazines with 1-(dimethylamino)-1-ethoxyethylene have been recorded and completely assigned. A comparison of the observed 13C chemical shifts and 13C—H coupling constants with those in the starting triazines and in 2-dimethylamino-2-penten-4-one confirms the (2-dimethylamino-1-propenyl) triazine structure. The data are discussed in terms of steric effects and of the configuration and conformation of the sidechain.
    Notes: Die unentkoppelten 13C-NMR-Spektren der bei der Reaktion von Methyltriazinen mit 1-Äthoxy-1-(dimethylamino)-äthylen entstandenen Produkte wurden mit Hilfe der Puls-Fourier-Transform-Technik aufgenommen und analysiert. Der Vergleich der beobachteten 13C-chemischen Verschiebungen und 13C—H-Kopplungskonstanten mit denen der Ausgangstriazine und des 2-Dimethylamino-2-penten-4-ons bestätigt die (2-Dimethylamino-1-propenyl)triazin-Struktur. Die Daten werden im Hinblick auf sterische Effekte sowie die Konfiguration und Konformation der Seitenkette diskutiert.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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