Molecules p. 8702 - 8708 (2010)
Update date:2022-08-11
Topics:
Li, Wei
Zhang, Wei
Xiang, Lan
Wang, Zi
Zheng, Yi-Nan
Wang, Ying-Ping
Zhang, Jing
Chen, Li
A new oleanane-type triterpenoid saponin, named platycoside N (1), together with six known saponins, was isolated from the roots of Platycodon grandiflorum. On the basis of acid hydrolysis, comprehensive spectroscopic data analyses and comparison with the spectral data of the known compounds, its structure was elucidated as 3-O-β-Dglucopyranosyl-( 1→6)-β-D- glucopyranosyl-2β,3β,16α,23-tetrahydroxyolean-12-en-28-oic acid 28-O-β-L-rhamnopyranosyl-(1→2)-α-L-arabinopyranoside. The six known compounds were platycodin D (2), deapioplatycodin D (3), platycodin D 3 (4), deapioplatycodin D3 (5), platycoside E (6) and deapioplatycoside E (7).
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