Magnetic Resonance in Chemistry p. 506 - 510 (1995)
Update date:2022-08-11
Topics:
Canselier, J. P.
Boyer, J. L.
Castro, V.
Gard, G. L.
Mohtasham, J.
et al.
A chemical shift analysis of the 13C NMR spectra of more than 50 acyclic sulphonic acids, alkali metal sulphonates and methyl ester was carried out.Chemical shift increment systems with n-alkenes as reference molecules were established for linear alkanesulphonates and alk-2-enesulphonates.Some short-chain fluorinated sulphonic acids were also studied, especially pentafluorothio derivatives.C-F spin-spin coupling constants were determined.Pauling electronegativity values for SO3H and SF5 groups were derived from α chemical shift increments. - Keywords: NMR; 13C NMR; chemical shift; sulphonated compounds; fluorosulphonic acids
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