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Analysis of sulfoxylated methyl esters (Φ-MES): Sulfonic acid composition and isomer identification

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Journal of Surfactants and Detergents

Abstract

Derivatization of a C12Φ-methyl ester sulfonic acid by using iodide-trifluoroacetic anhydride in dimethylformamide in a one-step reaction yielded derivatized sulfonic thiotrifluoroacetates. The latter have been analyzed by gas chromatography-mass spectrometry (MS) and liquid chromatography-MS techniques so that, for the first time, the acid composition and the mono sulfonic acid isomer distribution are shown.

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Abbreviations

ESI:

electrospray ionization

GC:

gas chromatography

LC:

liquid chromatography

LSIMS:

liquid secondary ionization mass spectrometry

Φ-MES:

sulfornate or sulfoxylate methyl ester obtained by sulfoxidation

MS:

mass spectrometry

TFAA:

trifluoroacetic anhydride

TTFA:

thiotrifluoroacetyl

References

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Correspondence to L. Cohen.

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Cohen, L., Soto, F., Luna, M.S. et al. Analysis of sulfoxylated methyl esters (Φ-MES): Sulfonic acid composition and isomer identification. J Surfact Deterg 6, 151–154 (2003). https://doi.org/10.1007/s11743-003-0259-0

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  • DOI: https://doi.org/10.1007/s11743-003-0259-0

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