Sesquiterpene lactones and bisbibenzyl derivatives from the neotropical liverwort Frullania convoluta

被引:23
作者
Flegel, M [1 ]
Adam, KP [1 ]
Becker, H [1 ]
机构
[1] Univ Saarland, D-66041 Saarbrucken, Germany
关键词
Frullania convoluta; Frullaniaceae; Hepaticae; sesquiterpene lactone; Germacrane; Eudesmane; bibenzyl; bisbibenzyl; dihydrophenanthrene;
D O I
10.1016/S0031-9422(99)00200-9
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
The new germacranolide epi-isocostunolide and two new bisbibenzyls, 2'-(11-hydroxy-1-bibenzyl-oxy)-1'-methoxy-6',10',11'- trihydroxy-7',8'-dihydro-phenanthrene and 2'-(10,11-dihydroxy-1-bibenzyi-oxy)-1'-methoxy-6',10',11'-trihydroxy-7',8'-dihydrophenanthrene, along with the known eudesmanolides, alpha-cyclocostunolide, brothenolide, nepalensolide A and nepalensolide B, the bisbibenzyls, perrottetin E, perrottetin F, perrottetin G, 7',8'-dehydroperrottetin F, and the bibenzyls, lunularic acid and lunularin, have been isolated from the neotropical liverwort Frullania convoluta. Their structures were elucidated by NMR spectroscopy. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:1633 / 1638
页数:6
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