Three New C21 Steroidal Glycosides from Roots of Cynanchum otophyllum / 中草药·英文版
Chinese Herbal Medicines
;
(4): 189-194, 2016.
Article
in Chinese
| WPRIM
| ID: wpr-842237
ABSTRACT
Objective:
To investigate the chemical structures of glycosides in the roots of Cynanchum otophyllum (Asclepiadaceae) and to find new glycosides.Methods:
The total glycosides in the roots of C. olophyllum were separated by silica gel column chromatography. The structures of the resulting compounds were determined by NMR and FAB-MS spectra.Results:
Three C21 steroidal glycosides were separated. Their structures were determined as caudatin 3-O-(4-O-methyl-β-D-cymaropyranosyl)-(1→4)-α-D-oleandropyranosyl-(1→4)-β-D-glucopyranosyl-(1→4)-α-L-rhamnopyranoside (1), caudatin 3-O-β-D-digitoxopyranosyl-(1→4)-α-D-oleandropyranosyl-(1→4)-β-Ddiginopyranosyl-(1→4)-β-D-glucopyranoside (2), and caudatin 3-O-β-D-diginopyranosyl-(1→4)-α-D-oleandropyranosyl-(1→4)-α-D-oleandropyranosyl-(1→4)-β-D-glucopyranoside (3), respectively.Conclusion:
Glycosides 1-3 are new compounds.
Full text:
Available
Index:
WPRIM (Western Pacific)
Language:
Chinese
Journal:
Chinese Herbal Medicines
Year:
2016
Type:
Article
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