期刊
NATURAL PRODUCT RESEARCH
卷 25, 期 1, 页码 8-16出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14786411003754330
关键词
Stachys lavandulifolia; Lamiaceae; iridoid; phenylethanoid; lavandulifolioside B; 5-O-beta-allopyranosyloxy-aucubin; chemotaxonomy
Reversed-phase preparative HPLC analyses of the methanol extract of the aerial parts of Stachys lavandulifolia afforded a new phenylethanoid glycoside, 4,3`,4`-trimethoxy-lavandulifolioside A, named lavandulifolioside B, together with three other known phenylethanoid glycosides, lavandulifolioside A, verbascoside and leucosceptoside A, and an iridoid glycoside 5-O-beta-allopyranosyloxy-aucubin (5-O-beta-allopyranosyl-monomelittoside). While the structures of the known compounds, except the iridoid glycoside, were established by direct comparison of their spectroscopic data with respective literature data, lavandulifolioside B and 5-O-beta-allopyranosyloxy-aucubin were identified comprehensively by extensive 1D and 2D NMR analyses. The distribution of the isolated compounds within the genus Stachys has been discussed.
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