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New Eremophilenolactones from Senecio nemorensis

✍ Scribed by Fan-Jun Meng; Hong Zhao; Wei-Dong Xie; Rui-Jian Zhao; Peng-Xiang Lai; Yan-Xia Zhou; Yan-Li Miao

Publisher
John Wiley and Sons
Year
2007
Tongue
German
Weight
159 KB
Volume
90
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Three new eremophilane sesquiterpenes were isolated from the MeOH extract of the roots of Senecio nemorensis. Their structures were identified as 8__α__‐hydroxy‐6__β__‐(isobutanoyloxy)‐1‐oxoeremophila‐7(11),9‐dieno‐12,8__β__‐lactone (1), 6__β__,8__β__‐dimethoxy‐1‐oxoeremophila‐7(11),9‐dieno‐12,8__α__‐lactone (2), and 10__α__‐hydroxy‐6__β__‐(isobutanoyloxy)‐1‐oxoeremophila‐7(11),8‐dieno‐12,8‐lactone (3), respectively, based on spectroscopic data, including IR, EI‐MS, HR‐ESI‐MS, and 1D‐ and 2D‐NMR data.

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