Three new steroidal saponins from the rh
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Yu Zhao; Li-Ping Kang; Yi-Xun Liu; Yang Zhao; Cheng-Qi Xiong; Bai-Ping Ma; Fang-
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Article
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2007
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John Wiley and Sons
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English
β 184 KB
## Abstract A mixture of a pair of stereoisomeric new spirostanol saponins (1a and 1b) and a new cholestane saponin (2) were isolated from the rhizome of __Paris pollyphylla__ Smith var. __yunnanensis__. Their structures were elucidated as (25__R__)βspirostβ5βenβ3Ξ², 7Ξ²βdiolβ3β__O__βΞ±βLβarabinofuran