【摘要】 从四齿四棱草地上部分水煮提取物中分离得到11个化合物,通过波谱分析并与文献和标准品对照将它们分别鉴定为β-谷甾醇(1)、4-乙酰胺基乙基苯基6-O-甲基香豆酰吡喃葡萄糖基(1→2)[-βD-吡喃葡萄糖基(1→3)]-α-L-吡喃鼠李糖苷(2)、4-乙酰胺基乙基苯基6-O-甲基香豆酰吡喃葡萄糖基(1→2)[-βD-吡喃葡萄糖基(1→3)]-4-O-乙酰基-α-L-吡喃鼠李糖苷(3)、6-C--βL-吡喃阿拉伯糖基-8-C--αL-吡喃阿拉伯糖基洋芹素(4)、6,8-二-C-α-L-吡喃阿拉伯糖基洋芹素(5)a、cetylmartynoside B(6)i、somartynoside(7)a、lyssonoside(8)l、eucosceptoside B(9)、连翘苷B(10)和丁二酸(11)。其中2和3为顺反异构体的混合物。更多还原

【Abstract】 Eleven compounds were isolated from the hot water extract of aerial parts of Schnabelia tetradonta by normal and reversed silica gel column chromatography.Their structures were identified as β-sitosterol(1),4-acetylaminoethyl-phenyl 6-O-methylcoumaroyl-β-D-glucopyranosyl(1→2)[β-D-glucopyranosyl(1→3)]-α-L-rhamno-pyranoside(2),4-acetylaminoethylphenyl 6-O-p-methylcoumaroyl-β-D-glucopyranosyl(1→2)[β-D-glucopyranosyl(1→3)]-4-O-acetyl-α-L-rhamnopyranoside(3),6-C-β-L-arabinopyranosyl-8-C-α-L-arabinopyranosylapigenin(4),6,8-di-C-α-L-arabinopyranosyl-apigenin(5),acetylmartynoside B(6),isomartynoside(7),alyssonoside(8),leucosceptoside B(9),forsythoside B(10) and butanedioic acid(11),respectively,on the basis of spectral methods.更多还原