Flavone-coumarin hybrids from Gnidia socotrana

被引:41
作者
Franke, K [1 ]
Porzel, A [1 ]
Schmidt, J [1 ]
机构
[1] Leibniz Inst Pflanzenbiochem, Abt Nat & Wirkstoffschem, D-06120 Halle Saale, Germany
关键词
Gnidia socotrana; Thymelaeaceae; biscoumarins; flavone-coumarin hybrids; spiro-bis-gamma-lactones;
D O I
10.1016/S0031-9422(02)00358-8
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 [生物化学与分子生物学]; 081704 [应用化学];
摘要
Phytochemical investigation of leaves and twigs of Gnidia socotrana (Balf. f.) Gilg (Thymelaeaccae), a plant occurring endemically on Socotra Island (Yemen), afforded six novel natural products: two compounds consisting of a flavone and a coumarin moiety connected by a C-C linkage, 7,7'-dihydroxy-3,8-biscoumarin and three substances with the rare spiro-bis-gamma-lactone structure. The structures were elucidated on the basis of their spectroscopic data. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:873 / 878
页数:6
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