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Iridoid glycosides and phenolic glycosides from Holmskioldia sanguinea
被引:30
作者:
Helfrich, E
[1
]
Rimpler, H
[1
]
机构:
[1] Univ Freiburg, Inst Pharmazeut Biol, D-79104 Freiburg, Germany
关键词:
Holmskioldia sanguinea;
Labiatae;
Verbenaceae;
iridoids;
monoesters of rhamnopyranosylcatalpol;
phenolic glycosides;
centrifugal partition chromatography;
CPC;
D O I:
10.1016/S0031-9422(98)00559-7
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:
Four new iridoids, 6-O-alpha-L-(2 "-O-trans-cinnamoyl)rhamnopyranosylcatalpol, 6-O-alpha-L-(3 "-O-trans-cinnamoyl)rhamnopyranosylcatalpol, 6-O-alpha-L-(4 "-O-trans-cinnamoyl)rhamnopyranosylcatalpol and 6-O-alpha-L-(4 "-O-cis-feruloyl)rhamnopyranosylcatalpol, along with three known monoacyl rhamnopyranosylcatalpol derivatives have been isolated from the aerial parts of Holmskioldia sanguinea. Catalpol was identified by GC and GC-MS analysis. Three known phenolic glycosides, isolated in small amounts, were identified as methyl salicylate glucoside, osmanthuside H, and icariside F-2. The structures were established by spectroscopic methods. The taxonomic significance of our results is discussed. (C) 1998 Elsevier Science Ltd. All rights reserved.
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页码:619 / 627
页数:9
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