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- Title
Two New Iridoid Glycosides from Hedyotis tenelliflora Blume.
- Authors
Jing-Feng Zhao; Qin-Mei Yuan; Xiao-Dong Yang; Hong-Bing Zhang; Liang Li
- Abstract
Two new iridoid glycosides, teneoside A (=(2aR,5S)-5-[(β-D-glucopyranosyl)oxy]-2a,4a,5,7b-tetrahydro-4-{[(α-L-rhamnopyranosyl)oxy]methyl}-1H-2,6-dioxacyclopenta[cd]inden-1-one; 1) and teneoside B (=methyl (1S,5R)-1-[(β-D-glucopyranosyl)oxy]-1,4a,5,7a-tetrahydro-5-hydroxy-7-{[(α-L-rhamnopyranosyl)oxy]methyl}cyclopenta[c]pyran-4-carboxylate; 2), were isolated from the roots of Hedyotis tenelliflora Blume, along with two known compounds, deacetylasperuloside (3) and scandoside methyl ester (4). Their structures were elucidated by chemical methods (acid hydrolysis) and spectroscopic analyses.
- Publication
Helvetica Chimica Acta, 2005, Vol 88, Issue 9, p2532
- ISSN
0018-019X
- Publication type
Article