Iridoid keto-glycosides from Caryopteris x Clandonensis

被引：16

作者：

Hannedouche, S ^{[1
]}

Jacquemond-Collet, I ^{[1
]}

Fabre, N ^{[1
]}

Stanislas, E ^{[1
]}

Moulis, C ^{[1
]}

机构：

[1] Fac Pharmaceut Sci, UPRESA EA 820, Lab Pharmacognosie, F-31062 Toulouse, France

来源：

PHYTOCHEMISTRY | 1999年 / 51卷 / 06期

关键词：

Caryopteris x Clandonensis; Verbenaceae; iridoid keto-glycosides; hydrated keto-glucose; clandonoside; 8-O-acetylclandonoside; harpagide; 8-O-acetylharpagide;

D O I：

10.1016/S0031-9422(99)00086-2

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Two new iridoid keto-glycosides, clandonoside and 8-O-acetylclandonoside, together with their hydrates, were isolated from the stems of Caryoptetis x Clandonensis besides the known harpagide and 8-O-acetylharpagide. The structure of clandonoside and 8-O-acetylclandonoside were established as harpagide-aglucone-1-O-beta-D-ribohexo-3-ulopyranoside and 8-O-acetylharpagide-aglucone-1-O-beta-D-ribohexo-3-ulopyranoside, respectively, by spectroscopic methods. This is the first report of a C-1 linked beta-Dribohexo-3-ulopyranose (beta-D-ketohexose) iridoid. (C) 1999 Elsevier Science Ltd. All rights reserved.

引用

页码：767 / 769

页数：3

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