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  • Chemistry  (1)
  • 1970-1974  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    Biological Mass Spectrometry 5 (1971), S. 373-381 
    ISSN: 0030-493X
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: The mass spectra of some alkyl-,aryl-, acyl-and aroyl-substituted 1,2,3-thiadiazoles and ofbenzothiadiazole are reported and interpreted. After the elimination of N2 from the molecular ion a rearrangement of the [M - N2]+.-ion occurs producing a thioketenion-radical. Some of the subsequent fragmentation processes demand this structure. Additionally expulsion of S and ·SH respectively from the non-rearranged [M - N2]+.-ion is discussed.
    Notes: Die Massenspektren einiger alkyl-, aryl-, acyl- und aroylsubstituierter 1,2,3-Thiadiazole und des Benzothiadiazols werden mitgeteilt und interpretiert. Nach der Abspattung von N2 aus dem Molekiilion erleidet das [M - N2]+.-ion eine Art WolRsche Umlagerung zu einem Thioketen-Ionen-Radikal. Ais Beweis wird die Bildung von Fragmentionen angefiihrt, die eine solche Umlagerung voraussetzen. Außerdem wird die Eliminierung von S bzw. ·SH aus dem nicht ungelagerten [M - N2]+.-Ion diskutiert.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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