J Integr Plant Biol. ›› 2000, Vol. 42 ›› Issue (3): 306-310.
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DING Zhong-Tao, ZHOU Jun, HE Yi-Neng, DAI Hao-Fu, TAN Ning-Hua
Abstract:
Three new triterpenoid saponins, namely prostratosides A-C (1-3), were isolated from the whole plant of Polycarpon prostratum (Forssk.) Aschers. et Schwein. ex Aschers. By spectroscopic methods, their structures were determined as 3-O-{β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranoside}-22α-acetoxy-saikogenin G, 3-O-{β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranoside}-16α-hydroxy-22α-acetoxy-saikogenin E and 3-O-{β-D-xylopyranosyl-(1→2)-β-D-glucopyranosyl-(1→4)-[β-D-glucopyranosyl-(1→2)]-α-L-arabinopyranoside}-21β-acetoxy-saikogenin G, respectively.
多荚草中的新三萜皂甙 丁中涛1,2 周俊1* 何以能1 戴好富1谭宁华1
(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:从石竹科植物多荚草 (Polycarponprostratum (Forssk .)Aschers.etSchwein .exAschers)中分离得到 3个新的柴胡皂甙类化合物 :prostratosideA~C (1~ 3)。它们的结构通过波谱方法分别鉴定为 :3-O-{ β-D-xylopyranosyl-(1→ 2 )-β-D-glucopyranosyl-(1→ 4)-[β-D-glucopyranosyl-(1→ 2 ) -α_L_arabinopyranoside-2 2α-acetoxy-saikogeninG ,3-O-{ β-D-xylopyra nosyl-1→ 2 )-β-D-glucopyranosyl-(1→ 4)-[β-D-glucopyranosyl-(1→ 2 ) ]-α-L-arabinopyranoside}-16α-hydroxy-2 2α-acetoxy-saiko geninE和 3-O-β-D-xylopyranosyl-(1→ 2 )-β-D-glucopyranosyl-(1→ 4)-[β-D-glucopyranosyl-(1→ 2 ) -α-L-arabinopyranoside-2 1β-acetoxy-saikogeninG .
关键词: 多荚草;石竹科;三萜皂甙
Key words: Polycarpon prostratum, Caryophyllaceae, triterpenoid saponin
DING Zhong-Tao, ZHOU Jun, HE Yi-Neng, DAI Hao-Fu, TAN Ning-Hua. New Triterpenoid Saponins from Polycarpon prostratum (Caryophyllaceae)[J]. J Integr Plant Biol., 2000, 42(3): 306-310.
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