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[摘要]
从木通科木通属植物白木通Akebiatrifoliata(Thuub.)Koidz.var.australis(Diels)Rehd.种子抗肿瘤活性的乙醇提取物中又分得一种三萜皂甙。经波谱分析及其酸碱水解确定了其化学结构,命名为:3-O-β-D-吡喃木糖-(1→2)-α-L-吡喃阿拉伯糖常春藤皂甙元-28-O-βD-吡喃萄葡糖-(1→6)-吡喃葡萄糖酯甙(即saponinE),并证明系首次自该植物中分得。
[Key word]
[Abstract]
A ttiterpenoid glycoside was isolated from the seed of Ahe6ia trifoliata(Thunb,)Koidz, vat,oustralis(Diels) Rehd, by column chromatography.The structure was identified on the- bsis of IR, 1H, 13CNMR, FAB-MS, acidic hydrolysis and basic hydrolysis as 3-O-β-D-xylo- pyranosyl (1→2)-α-L arabino pyranosyl hedereagenin-28-O-β-n-glucopyranseosyl(1→6)-β-D- glueopytanoside,This compound was obtained from this plant resocrces for the first time aand named as saponin E.
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