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Enantioseparation of the compounds of technical toxaphene (CTTs) on 35% heptakis (6-O-tert-butyldimethylsilyl-2,3-di-O-Methyl)-β-cyclodextrin in OV1701

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Summary

The separation of the enantiomers of the compounds of technical toxaphene (CTTs) on heptakis(6-O-tert-butyldimethylsilyl-2,3-di-O-methyl)-β-cyclodextrin (β-TBDM) has been studied by gas chromatography with electron-capture detection (GC-ECD). Enantiomers of eight of the nine CTTs under investigation were separated on this chiral stationary phase. Separations of the enantioners of CTTs have hitherto been achieved ontert-butyldimethylsilylated β-cyclodextrin (β-BSCD). The chiral resolution values and separation factors of the CTTs on β-TBDM have been compared with those obtained on β-BSCD.

Although several components coeluted, enantioselective determination of three CTTs was possible in an extract of seal blubber. For each CTT the first-eluting enantiomer was enantioenriched. Enantioselective accumulation of2-endo, 3-exo,5-endo,6-exo,-8,8,9,10-octachlorobornane (B8-1412) in biota has been established for the first time.

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Authors and Affiliations

  1. Institut für Ernährung und Umwelt, Friedrich-Schiller-Universität Jena, Dornburger Str.25, 07743, Jena, Germany

    U. Klobes, W. Vetter & B. Luckas

  2. BGB Analytik KG, Lettenstr. 97, 8134, Adliswil, Switzerland

    G. Hottinger

Authors
  1. U. Klobes
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  2. W. Vetter
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  3. B. Luckas
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  4. G. Hottinger
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Klobes, U., Vetter, W., Luckas, B. et al. Enantioseparation of the compounds of technical toxaphene (CTTs) on 35% heptakis (6-O-tert-butyldimethylsilyl-2,3-di-O-Methyl)-β-cyclodextrin in OV1701. Chromatographia 47, 565–569 (1998). https://doi.org/10.1007/BF02467496

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  • DOI: https://doi.org/10.1007/BF02467496

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