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- W2162669859 abstract "La localisation de la charge d'ionisation dans les diphénylthiophosphoranes substituspar des groupes phényle, méthyle, benzyle, méthylthiométhyle, phénacyle, amino et N-benzylidèneé amino a permis d'élucider leurs réctions de fragmentation sous l'impact électronique. La composition atomique des divers fragments été déterminée par la mesure précise de leur masse. Ces mécanismes de fragmentation sont confirmés par la présence de nombreux pics d'ions métastables. Les principales fragmentations des composés par la présence de nombreux pics d'ions métastables. Les principales fragmentations des composés phénacyl et aminodiphénylthiophosphoranes s'expliquent par la migration importante de groupes phényles et méthyle du phosphore vers le soufre. Dans les composés benzyl, méthylthiométhyl et N-benzylidéneamino, l'élimination d'espéces neutres très stables (respectivement le radical benzyle, le thioformaldéhyde et le benzonitrile) favorise d'autres mécanismes de fragmentation. The localised radical or charge site formalism in substituted diphenylthionophosphoranes Ph2P(S)R (R = phenyl, methyl, benzyl, methylthiomethyl, phenacyl, amino and N-benzylideneamino) allowed the elucidation of their electron-impact-induced fragmentation patterns. The atomic composition of the fragments was determined by precise mass measurements. Fragmentation patterns are proposed which are consistent with the presence of several metastable peaks. These patterns for phenyl, methyl, phenacyl and amino diphenylthionophosphoranes are characterised by a significant migration of the phenyl and methyl group from phosphorus to sulphur. Different patterns are favoured in benzyl, methylthiomethyl and N-benzylideneamino diphenylthionophosphoranes by elimination of very stable species." @default.
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- W2162669859 date "1975-09-01" @default.
- W2162669859 modified "2023-09-26" @default.
- W2162669859 title "Fragmentations de quelques derives thiophosphores sous l'impact electronique. I—migration de groupes phenyles et methyles dans les derives du diphenylthiophosphorane" @default.
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- W2162669859 doi "https://doi.org/10.1002/oms.1210100913" @default.
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