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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 120 (1987), S. 485-495 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reaction of enaminones 1a-n with triflic anhydride (Tf2O) in a 1:1 molar ratio yields 3-trifloxypropeniminium triflates 2a-n by O-sulfonylation. With a 2:1 molar ratio, the bis(3-amino-2-propenylio) ether bistriflates 3 are obtained. The configuration of the cations of 2 and 3 is derived from 1H and 13C NMR data as far as possible. Hydrolysis of the ambifunctional salts 3 may occur either at the iminium or the vinyl ether functions.
    Notes: Die Enaminone 1a-n reagieren mit Trifluormethansulfonsäureanhydrid (Tf2O) im Molverhältnis 1:1 unter O-Sulfonylierung zu 3-Trifloxypropeniminium-triflaten 2a-n. Im Molverhältnis 2:1 entstehen die Bis(3-amino-2-propenylio)ether-bistriflate 3. Die Konfiguration der Kationen von 2 und 3 wird, sofern möglich, aus 1H- und 13C-NMR-Daten abgeleitet. Die Hydrolyse der ambifunktionellen Salze 3 kann an der Iminium- oder an der Vinylether-Funktion erfolgen.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
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