Ypsilactosides A and B, Two New C22-Steroidal Lactone Glycosides from Ypsilandra thibetica

Two new C22‐steroidal lactone glycosides, ypsilactosides A (1) and B (2), were isolated from the EtOH extract of the whole plant of Ypsilandra thibetica. Their structures were established as (3β,5α,16β,20S)‐3,16‐dihydroxy‐6‐oxopregnane‐20‐carboxylic acid γ‐lactone 3‐(β‐D‐glucopyranoside) (1) and (3β...

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Veröffentlicht in:	Helvetica chimica acta 2011-01, Vol.94 (1), p.92-97
Hauptverfasser:	Lu, Yi, Xie, Bai-Bo, Chen, Chang-Xiang, Ni, Wei, Hua, Yan, Liu, Hai-Yang
Format:	Artikel
Sprache:	eng
Schlagworte:	Glycosides Lactone glycosides Ypsilactosides A and B Ypsilandra thibetica
Online-Zugang:	Volltext
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