Two new dammarane-type saponins from leaves of Panax quinquefolium
✍ Scribed by Xiang, Zheng; Lv, Jia; Zhou, Zhixun; Li, Yingying; Dou, Deqiang; Zhao, Jinming
- Book ID
- 120940603
- Publisher
- Taylor and Francis Group
- Year
- 2013
- Tongue
- English
- Weight
- 195 KB
- Volume
- 27
- Category
- Article
- ISSN
- 1478-6419
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## Abstract Phytochemical investigation of the rhizomes of __Panax japonicus__ C. A. Meyer (Araliaceae) resulted in the isolation of two new dammarane‐type triterpenoid saponins, yesanchinoside R~1~ (**1**) and yesanchinoside R~2~ (**2**), together with one new natural product, 6′′′‐__O__‐acetylgin
## Abstract Two new saponins were isolated from leaves of __Panax quinquefolium__ and their structures were elucidated as 3β, 12β, 20__S__‐trihydroxy‐25‐methoxydammar‐23‐ene 3‐__O__‐{[β‐D‐glucopyranosyl(1→2)‐β‐D‐glucopyranosyl]‐20‐__O__‐[α‐L‐arabinopyranosyl(1→6)]‐β‐D‐glucopyranoside (1) and 3β, 20