New Furostanol Glycosides from the Roots of Digitalis ciliata TRAUTV.

被引:7
作者
Kemertelidze, Ether [1 ]
Skhirtladze, Alexander [1 ]
Ganzera, Markus [2 ]
机构
[1] Iovel Kutateladze Inst Pharmacochem, Tbilisi 0159, Georgia
[2] Univ Innsbruck, Inst Pharm, AT-6020 Innsbruck, Austria
基金
美国国家科学基金会;
关键词
D O I
10.1002/hlca.201400077
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Three new furostanol glycosides, named ciliatasides A, B, and C (1-3, resp.), have been isolated from the roots of Digitalis ciliata, along with two known furostanol glycosides. The structures of the new compounds were identified as (2 alpha, 3 beta, 5 alpha, 14 beta, 25R)-26-(beta-D-glucopyranosyloxy)-2-hydroxyfurost-20(22)-en-3-yl beta-D-glucopyranosyl-(1 -> 2)-[beta-D-glucopyranosyl-(1 -> 3)]-beta-D-galactopyranoside (1), (2 alpha, 3 beta, 5 alpha, 14 beta, 22R)-26-(beta-D-glucopyranosyloxy)-2-hydroxy-22-methoxyfurost-25(27)-en-3-yl beta-D-galactopyranosyl-(1 -> 2)-[beta-D-xylopyranosyl-(1 -> 3)]-beta-D-glucopyranosyl-(1 -> 4)-beta-D-galactopyranoside (2), and (2 alpha, 3 beta, 5 alpha, 14 beta, 22R, 25R)-26-(beta-D-glucopyranosyloxy)-2,22-dihydroxyfurostan-3-yl beta-D-glucopyranosyl-(1 -> 2)-[beta-D-glucopyranosyl-(1 -> 3)]-beta-D-galactopyranoside (3).
引用
收藏
页码:224 / 231
页数:8
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