Abstract
High performance liquid chromatographic separations of two enantiomeric pairs of 1-alkyl-2-acyl-rac-glycerol (1-alkyl-2-acyl- and 3-alkyl-2-acyl-sn-glycerols) and 1-alkyl-3-acyl-rac-glycerol (1-alkyl-3-acyl- and 3-alkyl-1-acyl-sn-glycerols) as 3,5-dinitrophenylurethanes (3,5-DNPUs) were carried out on a chiral stationary phase, N-(R)-1-(α-naphthyl)ethylaminocarbonyl-(S)-valine chemically bonded to γ-aminopropyl silanized silica (Sumipax OA-4100). Good separation of the enantiomers of 1-hexadecyl-2-hexadecanoyl-rac-glycerol was easily achieved within 10 min using hexane/ethylene dichloride/ethanol (80∶20∶1, v/v/v) as a mobile phase. Separation of the enantiomers of 1-hexadecyl-3-hexadecanoyl-rac-glycerol was more difficult and required about 80 min to achieve satisfactory peak resolution (0.8) using hexane/ethylene dichloride/ethanol (250∶20∶1, v/v/v) as a mobile phase.
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Abbreviations
- HPLC:
-
high performance liquid chromatography
- TLC:
-
thin-layer chromatography
- Vr:
-
retention volume
- VrA:
-
Vr when eluted with the solvent A
- UV:
-
ultraviolet
- 3,5-DNPU:
-
3,5-dinitrophenylurethane
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Takagi, T., Okamoto, J., Ando, Y. et al. Separation of the enantiomers of 1-alkyl-2-acyl-rac-glycerol and of 1-alkyl-3-acyl-rac-glycerol by high performance liquid chromatography on a chiral column. Lipids 25, 108–110 (1990). https://doi.org/10.1007/BF02562213
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DOI: https://doi.org/10.1007/BF02562213