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A new Sequiterpenoid from Eupatorium adenophorum Spreng

✍ Scribed by Lan He; Jie Yang; Ao-Cheng Cao; Yu-Mei Liu; Yu An; Jian-Gong Shi

Publisher: John Wiley and Sons
Year: 2006
Tongue: English
Weight: 56 KB
Volume: 24
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.200690256

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✦ Synopsis

Abstract

A new sequiterpenoid compound 8a__α__‐hydroxy‐1‐isopropyl‐4,7‐dimethyl‐1,2,3,4,6,8a‐hexahydro‐naphthalene‐2,6‐dione (1), together with seven known compounds anti‐HH‐dimer‐coumarin (2), (−)‐5‐exo‐hydroxy‐borneol (3), O‐hydroxyl cinnamic acid (4), 9__β__‐hydroxy‐ageraphorone (5), 10__Hα__‐9‐oxo‐ageraphorone (6), 10__Hβ__‐9‐oxo‐ageraphorone (7) and 9‐oxo‐10,11‐dehydroageraphorone 8, was isolated from the leaves of Eupatorium adenophorum Spreng. The structures were elucidated by IR, ^1^H and ^13^C NMR, EIMS, HMBC and single‐crystal X‐ray spectral data.

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