Spectrometrie de Masse D'ozonides Aliphatiques |
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| Authors: | M Bertrand J Carles S Fliszr Y Rousseau |
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| Institution: | M. Bertrand,J. Carles,S. Fliszár,Y. Rousseau |
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| Abstract: | A primary cleavage of aliphatic ozonides by electron-impact, implying O? O and C? C bond breaking, is described. This mode of degradation, which is not observed for aromatic ozonides, is fav oured by electron releasing substituents. For the cis and trans 4-methyl-2pentene ozonides, the ionization potentials are 8.81 and 8.86 (±0.5) eV, respectively. Two formation thresholds are observed for the RCHO2]+ion which are interpreted in terms of different modes of ozonide cleavage. |
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