[C 6 H 6 , C 3 H 7   + ]and [C 6 H 7   + , C 3 H 6 ] ion‐neutral complexes intermediate in the reactions of protonated propylbenzenes | Zendy

Berthomieu Dorothée | Zendy; Audier Henri | Zendy; Denhez JeanPierre | Zendy; Monteiro Candida | Zendy; Mourgues Philippe | Zendy

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[C 6 H 6 , C 3 H 7 + ]and [C 6 H 7 + , C 3 H 6 ] ion‐neutral complexes intermediate in the reactions of protonated propylbenzenes

Author(s) -

Berthomieu Dorothée,

Audier Henri,

Denhez JeanPierre,

Monteiro Candida,

Mourgues Philippe

Publication year - 1991

Publication title -

organic mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.475

H-Index - 121

eISSN - 1096-9888

pISSN - 0030-493X

DOI - 10.1002/oms.1210260417

Subject(s) - ion , protonation , kinetic energy , metastability , chemistry , dissociation (chemistry) , mass spectrum , analytical chemistry (journal) , benzene , crystallography , physics , organic chemistry , chromatography , quantum mechanics

From the mass‐analysed ion kinetic energy spectra of labelled ions, kinetic energy releases and thermodynamic data, it is proved that protonated n ‐propylbenzene (1) isomerizes into protonated isopropyl benzene (2). It is also shown that the dissociation of the less energetic metastable ions of (2), leading to [iso‐C 3 H 7 ] + and [C 6 H 7 ] + product ions, is preceded by H exchange. This H exchange involves two interconverting ion‐neutral complexes [C 6 H 6 , iso‐C 3 H 7 + ] (2π) and [C 6 H 7 + , C 3 H 6 ] (2α).

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