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Adenanthusone, a New Ursane Type Nortriterpenoid from Isodon adenanthus

✍ Scribed by Wei Xiang; Qi-Shi Song; Hong-Jie Zhang; Rong-Tao Li; Zhi Na; Han-Dong Sun

Publisher: John Wiley and Sons
Year: 2004
Tongue: German
Weight: 186 KB
Volume: 87
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.200490255

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✦ Synopsis

Abstract

A new ursane‐type nortriterpenoid, adenanthusone (=(11__α__,12__α__)‐4‐demethyl‐11,12‐epoxy‐3,13‐dihydroxy‐2‐oxoursa‐3,20(30)‐diene‐28‐oic acid γ‐lactone; 1) was isolated from Isodon adenanthus. Its structure was determined by NMR spectra and X‐ray crystallographic diffraction analysis. The biogenetic implication of the nortriterpene is discussed.

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