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  • Organic Chemistry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 319 (1977), S. 313-316 
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 1H-n.m.r. Spectroscopic Analysis of 2-Dimethylamino-[1,3,2] dioxarsolane and DithiarsolaneThe 1H-n.m.r. spectra of (CH2)2X2As—N(CH3)2 (X = O, S) show an AA′BB′ spin system for the protons of the methylene group which is reduced to an A4 system by addition of HN(CH3)2. This reduction proves a rapid exchange of the N(CH3)2 group. This assumption is proved by isotope marking with 15N-marked dimethylamine.
    Notes: Die 1H-NMR-Spektren der Methylenprotonen in den Arsolanen (CH2)2X2As-N(CH3)2 (X = O, S) bilden ein AA′BB′-Spinsystem, das sich bei Zusatz von Dimethylamin zum A4-System vereinfacht. Die Vereinfachung beweist einen schnellen Austausch der N(CH3)2-Gruppe. Diese Annahme wird durch Isotopenmarkierung mit 15N-markiertem Dimethylamin bestätigt.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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