Eremostachiin:: a new furanolabdane diterpene glycoside from Eremostachys glabra

被引：35
|
作者：
Delazar, A
Modarresi, M
Shoeb, M
Nahar, L
Reid, RG
Kumarasamy, Y
Majinda, RRT
Sarker, SD
机构：
[1] Univ Ulster, Sch Biomed Sci, Coleraine BT52 1SA, Londonderry, North Ireland
[2] Tabriz Univ Med Sci, Sch Pharm, Tabriz, Iran
[3] Robert Gordon Univ, Sch Pharm, Phytopharmaceut Res Lab, Aberdeen AB10 1FR, Scotland
[4] Robert Gordon Univ, Sch Life Sci, Aberdeen AB25 1HG, Scotland
[5] Univ Botswana, Fac Sci, Dept Chem, Gaborone, Botswana
来源：
NATURAL PRODUCT RESEARCH | 2006年 / 20卷 / 02期
关键词：
Eremostachys glabra; Labiatae; Lamiaceae; eremostachiin; furanolabdane; diterpene; DPPH; antioxidant;
D O I：
10.1080/13518470500047082
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
The reversed-phase preparative HPLC analysis of the methanol extract of the rhizomes of Eremostachys glabra (Lamiaceae) led to the isolation of two furanolabdane diterpene glycosides, phlomisoside II, and beta-D-glucopyranosyl-(1 -> 2)-beta-D-glucopyranosyl ester of phlomisoic acid (named eremostachiin), the latter being a novel natural product. The structure of the new compound has been elucidated unambiguously by HRMS and a series of 1D- and 2D-NMR spectroscopic techniques. The free radical scavenging activity of these compounds was assessed using the DPPH assay.
引用
收藏
页码：167 / 172
页数：6
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