Phytotoxic and Nematicidal Components of Lavandula luisieri

Journal of Natural Products
Luis F JulioAzucena González-Coloma

Abstract

Several preparations were obtained from the aerial parts of predomesticated Lavandula luisieri, including the essential oil and ethanolic, hexane, and ethyl acetate extractives. Additionally, pilot plant vapor pressure extraction was carried out at a pressure range of 0.5-1.0 bar to give a vapor pressure oil and an aqueous residue. A chemical study of the hexane extract led to the isolation of six necrodane derivatives (1, 2, and 4-7), with four of these (1, 2, 5, and 7) being new, as well as camphor, a cadinane sesquiterpene (9), tormentic acid, and ursolic acid. The EtOAc and EtOH extracts contained a mixture of phenolic compounds with rosmarinic acid being the major component. Workup of the aqueous residue resulted in the isolation of the necrodane 3 and (1R*,2S*,4R*)-p-menth-5-ene-1,2,8-triol (8), both new natural compounds. The structures of the new compounds were established based on their spectroscopic data. The phytotoxic and nematicidal activities of these compounds were evaluated.

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Citations

Jun 24, 2017·Environmental Science and Pollution Research International·Maria Fe AndrésJesus Burillo
May 14, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Matteo PolitiMarinella De Leo
Sep 11, 2019·Natural Product Research·Jorge Emilio Parra AminAzucena González-Coloma
Mar 28, 2017·Phytochemistry·Braulio M FragaCarmen E Díaz
Oct 21, 2020·Journal of Agricultural and Food Chemistry·Jixiang ChenBaoan Song

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