Abstract
High resolution gas chromatography of the methyl esters of individual isoprenoid fatty acids isolated from a geological source of the Eocene period has shown a diastereoisomer composition compatible with a chlorophyll derivation for the acids. The L-menthyl esters give enhanced separation of isoprenoid acid diastereoisomers on an optically inactive GC substrate and could be employed on samples with more complex stereochemistry.
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MACLEAN, I., EGLINTON, G., DOURAGHI-ZADEH, K. et al. Correlation of Stereoisomerism in Present Day and Geologically Ancient Isoprenoid Fatty Acids. Nature 218, 1019–1024 (1968). https://doi.org/10.1038/2181019a0
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DOI: https://doi.org/10.1038/2181019a0
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