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自乌拉尔甘草(Glycyrrhiza uralensis Fisch)的根茎中共分离出三个皂甙类化合物,经化学方法和光谱解析,鉴定1为3β-羟基-11-氧化-齐墩果-12-烯-30-羧酸-3-O-β-D-葡萄吡喃糖醛酸基(1—2)-β-D-葡萄吡喃糖醛酸甙,命名为乌拉尔甘草皂甙甲(ura1saponin A)。Ⅱ为3β-羟基-11-氧化-齐墩果-12-烯-30-羧酸-3-O-β-D-葡萄吡喃糖醛酸基(1-3)-β-D-葡萄吡喃糖醛酸甙,命名为乌拉尔甘草皂甙乙(uralsaponin B)。Ⅰ,Ⅱ均未见文献报道。Ⅲ为已知甘草酸。本文报道两个新甙的结构鉴定。
Three saponins were isolated from the roots of Glycyrrhiza uralensis Fisch. Chemical analysis and spectroscopic analysis identified 1 as 3β-hydroxy-11-oxo-olean-12-ene-30-carboxylic acid- 3-O-β-D-pyranuronic acid (1-2)-β-D-pyranuronic acid, named as ura1 saponin A. II is 3β-hydroxy-11-oxo-olean-12-ene-30-carboxylic acid-3-O-β-D-pyranosylpyranuronate (1-3)-β-D-glucopyranoyl Strontium glucuronate, named uralsaponin B. I, II have not been reported in the literature. III is known glycyrrhizic acid. This article reports the structural identification of two new ticks.