Abstract
Four new hydrolyzable tannins, coriariins G, H, I and J, were isolated from the leaf of Coriaria japonica (Coriariaceae). Structures 1,2 and 3, having a sedoheptulose residue, were assigned for coriariins G, H and I, respectively. Structure 4, having a depsidone-forming dehydrodigalloyl group, was assigned for coriariin J, based on the chemical correlation with coriariin B (5). The orientation of the dehydrodigalloyl group in 5 was confirmed by 1H-13C long-range shift-correlation spectroscopy.
Original language | English |
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Pages (from-to) | 1703-1710 |
Number of pages | 8 |
Journal | Chemical and Pharmaceutical Bulletin |
Volume | 40 |
Issue number | 7 |
DOIs | |
Publication status | Published - 1992 |
Keywords
- Coriaria japonica
- Keywords tannin
- coriariin G
- coriariin H
- coriariin I
- coriariin J
- dehydrodigalloyl group
- depsidone
- hydrolyzable tannin
- sedoheptulose
ASJC Scopus subject areas
- Chemistry(all)
- Drug Discovery