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New eremophilane-type sesquiterpenes from Ligularia hodgsonii
被引:17
|作者:
Xu, Ji-Qing
[1
]
Li, Yun-Sen
[1
]
Li, Yi-Ming
[1
]
Jiang, Shan-Hao
[1
]
Tan, Chang-Heng
[1
]
Zhu, Da-Yuan
[1
]
机构:
[1] Chinese Acad Sci, Shanghai Inst Mat Med, State Key Lab Drug Res, Shanghai Inst Biol Sci, Shanghai 201203, Peoples R China
关键词:
D O I:
10.1055/s-2005-916256
中图分类号:
Q94 [植物学];
学科分类号:
071001 ;
摘要:
Four new eremophilanlides (1-4) together with a known sesquiterpene were isolated from the roots and rhizomes of Ligularia hodgsonii. The structures of these new compounds were established as 6 beta-(2'-methylbutanoyloxy)-10 beta-acetoxy-3 beta,8 beta-dihydroxyeremophil-7(11)-en-8,12-olide (1), 60,10 beta-dihydroxyeremophil-7(11)-en-8 alpha,12-olide (2), 3 beta-acetoxy-6,9-dien-8-oxoeremophil-12-nor-11 -ketone (3), and 3 beta-acetoxy-6 alpha,8 alpha-dihydroxyeremophil-7(11),9-dien-8,12-olide (4) by means of mass, IR and NMR spectroscopy.
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页码:567 / 569
页数:3
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