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9-Hydroxy-, 9-Acetyloxy-, and 9-Hexanoyloxy Fatty Acids from the Glandular Trichome Exudate of Silene latifolia subsp. alba

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Chemistry of Natural Compounds Aims and scope

Chemical investigation of the glandular trichome exudate from Silene latifolia subsp. alba (Caryophyllaceae) resulted in the identification of 9-hydroxyoctadecanoic acid (1) and five new fatty acids 9-hydroxyicosanoic acid (2), 9-acetyloxyoctadecanoic acid (3), 9-acetyloxyicosanoic acid (4), 9-hexanoyloxyhexadecanoic acid (5) and 9-hexanoyloxyoctadecanoic acid (6). The oxygenated positions in these fatty acid derivatives were determined to be at C-9 by GC-MS analysis of their trimethylsilyl (TMS) derivatives, while the configurations at C-9 of compounds 1 and 2 were established as S by application of the Akasaka-Ohrui method to their methyl esters.

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Acknowledgment

The authors thank Ms. Itoh Satsuki, Tokyo Institute of Technology, for the FAB-MS measurement.

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Correspondence to Y. Fujimoto.

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Published in Khimiya Prirodnykh Soedinenii, No. 5, September–October, 2018, pp. 709–712.

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Ohkawa, A., Ohyama, K. & Fujimoto, Y. 9-Hydroxy-, 9-Acetyloxy-, and 9-Hexanoyloxy Fatty Acids from the Glandular Trichome Exudate of Silene latifolia subsp. alba. Chem Nat Compd 54, 833–836 (2018). https://doi.org/10.1007/s10600-018-2493-x

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  • DOI: https://doi.org/10.1007/s10600-018-2493-x

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