Abstract: A new triterpenoid saponin, coumoside B, has been isolated from the whole plant of Cyclamen coum. The structure of the compound 3 (C58H92O27) has been deduced by NMR (400 MHz) methods based on the 1H, 13C, DEPT, 1H-1H COSY, HETCOR, NOESY-NMR experiments, and FAB-mass spectrum. Compound 3 was shown to have the structure 16α-hydroxy-3β-{{{[β-xylopyranosyl-(1→2)]-[β-glucopyranosyl-(1 →4)]-[β-glucopyranosyl-(1→2)]-α-arabinopyranosyl]-oxy]olean-12-eno-30,28-lactone and is named coumoside B.
Publication Year: 1998
Publication Date: 1998-05-01
Language: en
Type: letter
Indexed In: ['crossref', 'pubmed']
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Cited By Count: 8
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