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Two new tri- nor -eudesmanolides from Inula racemosa

✍ Scribed by Zhang, Ting; Gong, Ting; Chen, Ruo-Yun; Yu, De-Quan

Book ID
120556911
Publisher
Taylor and Francis Group
Year
2013
Tongue
English
Weight
106 KB
Volume
15
Category
Article
ISSN
1028-6020

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## Abstract Ten sesquiterpenens were isolated from **__Inula helenium__**. Among them, three eudesmanolides: 15‐hydroxy‐11βH‐eudesm‐4‐en‐8β,12‐olide (1), 3α‐hydroxy‐11βH‐eudesm‐5‐en‐8β,12‐olide (2) and 2β, 11α‐dihydroxy‐eudesm‐5‐en‐8β,12‐olide (3) are new compounds. Their chemical structures were d