Abstract
Extracts of Dufour's gland of the ponerine ant, Gnamptogenys striatula, were analyzed by using the combination of gas chromatography and mass spectrometry. Series of esters of the new homoterpenoids (2E,6)-3,4,7-trimethyl-2,6-octadiene-1-ol (4-methylgeraniol) and (2E,6)-3,4,7-trimethyl-2, 6-nonadiene-1-ol (bishomogeraniol) with unbranched medium-chain fatty acids were identified. Transformation of the chiral natural products into 1,4-di(trifluoroacetoxy)-3-methylpentane and comparison of its gas chromatographic retention time on a modified cyclodextrin phase with that of synthetic optically active reference samples proved the stereogenic center to keep (S)-configuration. (2E,4S,6)-3,4,7-Trimethyl-2,6-octadien-1-yl decanoate and the corresponding dodecanoate are the main volatiles in the extracts.
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Schulz, C.M., Lehmann, L., Blatrix, R. et al. Identification of New Homoterpene Esters from Dufour's Gland of the Ponerine Ant Gnamptogenys striatula . J Chem Ecol 28, 2541–2555 (2002). https://doi.org/10.1023/A:1021492204400
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DOI: https://doi.org/10.1023/A:1021492204400