Isolation, structure elucidation, and absolute configuration of 26-deoxyactein from Cimicifuga racemosa and clarification of nomenclature associated with 27-deoxyactein

被引:86
作者
Chen, SN
Li, WK
Fabricant, DS
Santarsiero, BD
Mesecar, A
Fitzloff, JF
Fong, HHS
Farnsworth, NR
机构
[1] Univ Illinois, Coll Pharm, Dept Med Chem & Pharmacognosy, Program Collaborat Res Pharmaceut Sci MC877, Chicago, IL 60612 USA
[2] Univ Illinois, Ctr Pharmaceut Biotechnol MC 870, Chicago, IL 60612 USA
[3] Univ Illinois, Coll Pharm, UIC, NIH,Ctr Bot Dietary Supplements Res, Chicago, IL 60612 USA
来源
JOURNAL OF NATURAL PRODUCTS | 2002年 / 65卷 / 04期
关键词
D O I
10.1021/np010494t
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
A new triterpene glycoside, 26-deoxyactein (1), along with two known compounds, 23-epi-26-deoxyactein (2), previously designated as "27-deoxyactein", and actein (3), were isolated from the roots/rhizomes of Cimicifuga racemosa. The structures and absolute stereochemistry of 1 and 2 were established by spectroscopic methods (FABMS, H-1 and C-13 NMR) and single-crystal X-ray data analysis.
引用
收藏
页码:601 / 605
页数:5
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