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Chemical constituents of hybrids of Ligularia cyathiceps and L. lamarum/L. subspicata collected in China: Structures of subspicatins M, N, O1, and O2, and related compounds


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Title: Chemical constituents of hybrids of Ligularia cyathiceps and L. lamarum/L. subspicata collected in China: Structures of subspicatins M, N, O1, and O2, and related compounds
Authors: Saito, Yoshinori / Ichihara, Mayu / Takashima, Yuriko / Okamoto, Yasuko / Gong, Xun / Hanai, Ryo / Kuroda, Chiaki / Tori, Motoo
Issue Date: Aug-2017
Publisher: Elsevier Ltd.
Citation: Phytochemistry, 140, pp.69-76; 2017
Abstract: Three natural hybrids and an introgressed individual of Ligularia were evaluated based on a combination of morphology, root chemicals, and nucleotide sequences of evolutionally neutral regions to understand the chemical outcomes of hybridization and introgression. Six previously undescribed eremophilane sesquiterpenes were isolated from hybrids between L. cyathiceps and L. lamarum/L. subspicata, and benzofurans were isolated from L. subspicata for the first time. Their structures were elucidated based on spectroscopic analyses. Some compounds produced by hybrids have not been detected in either parental species, indicating that the metabolic profile was altered by hybridization and introgression.
Keywords: Asteraceae / Chemical diversity / Eremophilane / Internal transcribed spacer (ITS) / Ligularia cyathiceps / Ligularia lamarum / Ligularia subspicata / Structure elucidation / Subspicatin / Subspicatol
URI: http://hdl.handle.net/10069/37556
ISSN: 00319422
DOI: 10.1016/j.phytochem.2017.04.015
Rights: © 2017 Elsevier Ltd. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
Type: Journal Article
Text Version: author
Appears in Collections:Articles in academic journal

Citable URI : http://hdl.handle.net/10069/37556

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