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Three new iridolactone derivatives from the whole plant of Brillantaisia owariensis P. Beauv

Abstract : Owariensisone B-D, three new lactone iridoids, identified as lactone of α-(3-acetoxymethyl-2-hydromethylcyclopent-3-en-yl) ethanoic acid (1), lactone of α-(4-β-acetoxy-3-β-acetoxymethyl-2-hydromethyl-3-hydroxycyclopentyl) ethanoic acid (2) and lactone of α-(4-β-acetoxy-3-α-acetoxymethyl-2-hydromethyl-3-hydroxycyclopentyl) ethanoic acid (3) were isolated from the n-hexane extract of the whole plant of Brillantaisia owariensis. Their structures were established by interpretation of their spectral data, mainly ESI-HRMS(TOF), 1D-NMR (1H, 13C) and 2D-NMR (1H-1H COSY, HSQC, HMBC and ROESY) and by comparison with the literature data.
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https://hal.univ-reims.fr/hal-01996239
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Submitted on : Monday, January 28, 2019 - 11:29:34 AM
Last modification on : Thursday, September 10, 2020 - 3:43:45 PM

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Perrin Lanversin Foning Tebou, David Ngnokam, Dominique Harakat, Laurence Voutquenne-Nazabadioko. Three new iridolactone derivatives from the whole plant of Brillantaisia owariensis P. Beauv. Phytochemistry Letters, Elsevier, 2018, 25, pp.171-174. ⟨10.1016/j.phytol.2018.04.015⟩. ⟨hal-01996239⟩

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