Lithium-cation and proton affinities of sulfoxides and sulfones: A fourier transform ion cyclotron resonance study

The kinetic method was used for the quantitative determination of lithium-cation affinities by Fourier transform ion cyclotron resonance. This method was applied to a series of XYSO and XYSO 2 compounds. Proton basicities of the SO and SO 2 compounds were also determined. When comparison is made bet...

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Bibliographic Details
Published in:Journal of the American Society for Mass Spectrometry 1997-03, Vol.8 (3), p.262-269
Main Authors: Buncel, Erwin, Decouzon, Michèle, Formento, Alessandra, Gal, Jean-François, Herreros, Marta, Lewyn, Li, Maria, Pierre-Charles, Koppel, Ilmar, Kurg, Riho
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
Mass spectrometry
Organic chemistry
Reactivity and mechanisms
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Summary:The kinetic method was used for the quantitative determination of lithium-cation affinities by Fourier transform ion cyclotron resonance. This method was applied to a series of XYSO and XYSO 2 compounds. Proton basicities of the SO and SO 2 compounds were also determined. When comparison is made between Li + basicities and proton basicities, a linear regression encompassing XYSO and XYSO 2 families suggests that Li + may be bonded in a similar way to the SO and SO 2 moieties, that is, to only one oxygen on the latter. PM3 calculations support this hypothesis.
ISSN:1044-0305
1879-1123
DOI:10.1016/S1044-0305(96)00255-3