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Sesquiterpenoids and Lignans from Ligularia virgaurea spp. oligocephala

✍ Scribed by Ya Li; Yan-Ping Shi

Publisher
John Wiley and Sons
Year
2006
Tongue
German
Weight
76 KB
Volume
89
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

From the BuOH extract of the whole plant of Ligularia virgaurea spp. oligocephala, a series of sesquiterpenes, sesquiterpene glycosides, and lignan glycosides were isolated, including the three new compounds (1__α__)‐1‐hydroxy‐8‐oxo‐eremophila‐6,9‐dien‐12‐oic acid (1), 8‐[(β‐D‐glucopyranosyl)oxy]eremophila‐1(10),8,11‐trien‐2‐one (2), and 4‐[(β‐D‐glucopyranosyl)oxy]pinoresinol (4). Their structures were elucidated by 1D‐ and 2D‐NMR as well as HR‐ESI‐MS analyses, and by comparison of the spectroscopic data with those reported for structurally related compounds.

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