J Integr Plant Biol. ›› 2001, Vol. 43 ›› Issue (1): 97-100.

• Research Articles • Previous Articles     Next Articles

New Steroidal Glycosides from Ophiopogon japonicus

DAI Hao-Fu, ZHOU Jun, TAN Ning-Hua, DING Zhong-Tao   

Abstract:

Two new C 27 steroidal glycosides, named ophiopojaponin A (1) and B (2), together with two known ones, were isolated from the tubers of the famous traditional Chinese herb Ophiopogon japonicus Ker-Gawl. The spectroscopic and chemical evidence revealed their structures to be pennogenin 3-O-[2′-O-acetyl-α-L-rhamnopyranosyl (1→2)]-β-D-xylopyranosyl (1→3)-β-D-glucopyranoside (1), 26-O-β-D-glucopyranosyl-(22ξ, 25R)-3β,14α,22ξ, 26-tetrahydroxyfurost-5-ene 3-O-α-L-rhamnopyranosyl (1→2)-β-D-glucopyranoside(2), diosgenin 3-O-[α-L-rhamnopyranosyl (1→2)]-β-D-xylopyrano-syl (1→3)-β-D-glucopyranoside (3) and ruscogenin 1-O-[α-L-rhamnopyranosyl (1→2)]-β-D-xylopyranosyl (1→3)-β-D-fucopyranoside (4).

川麦冬中的新C27甾体甙
戴好富1 周俊1*  谭宁华1丁中涛2

(1. 中国科学院昆明植物研究所植物化学开放实验室,昆明650204;2.  云南大学化学系,昆明650091)

摘要: 从百合科植物川麦冬(Ophiopogon japonicus Ker_Gawl.)块根中分离得到4个C27甾体甙类化合物,其中两个为新化合物:ophiopojaponin A (1)和B (2)。它们的结构通过波谱和化学方法鉴定为:pennogenin 3-O-[2′-O-acetyl-α-L-rhamnopyranosyl (1→2)]-β-D-xylopyranosyl (1→3-β-D_glucopyranoside (1), 26-O-β-D-glucopyranosyl-(22ξ, 25R)-3β, 14α, 22ξ, 26-tetrahydroxyfurost-5-ene 3-O-α-L-rhamnopyranosyl (1→2)-β-D-glucopyranoside (2), diosgenin 3-O-[α-L_rhamnopyranosyl (1→2)]-β-D-xylopyrano-syl (1→3)-β-D-glucopyranoside (3) and ruscogenin 1-O-[α-L-rhamnopyranosyl (1→2)]-β-D-xylopyranosyl (1→3)-β-D-fucopyranoside (4)。

关键词: 川麦冬;百合科;C27甾体甙

Key words: Ophiopogon japonicus , Liliaceae, C 27 steroidal glycosides

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