A new saponin,3-O-{[β-D-glucopyranosyl(1→2)]-[β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl ]}echinocystic acid(congmunoside ⅩⅤ),was isolated from the root bark of Aralia elata (Miq.) Se...A new saponin,3-O-{[β-D-glucopyranosyl(1→2)]-[β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl ]}echinocystic acid(congmunoside ⅩⅤ),was isolated from the root bark of Aralia elata (Miq.) Seem.Its structure was determined on the basis of the chemical and spectroscopy methods.展开更多
Two new saponins,3 O {〔β D glucopyranosyl (1→2)〕 〔β D glucopyranosyl (1→3) β D glucopyranosyl (1→3)〕 β D glucopyranosyl} oleanolic acid 28 O β D glucopyranosyl ester,(congmunoside Ⅹ,1);3 O {〔β D glucopy...Two new saponins,3 O {〔β D glucopyranosyl (1→2)〕 〔β D glucopyranosyl (1→3) β D glucopyranosyl (1→3)〕 β D glucopyranosyl} oleanolic acid 28 O β D glucopyranosyl ester,(congmunoside Ⅹ,1);3 O {〔β D glucopyranosyl (1→3)〕 〔α L arabinofuranosyl (1→4)〕 β D glucuronopyranosyl} oleanolic acid 28 O β D glucopyranosyl (1→6) β D glucopyranoside,(congmunoside Ⅺ,2)were isolated from the root bark of Aralia elata (Miq.)Seem.Their structures were determined on the basis of the chemical and spectroscopy methods.展开更多
文摘A new saponin,3-O-{[β-D-glucopyranosyl(1→2)]-[β-D-glucopyranosyl(1→3)-β-D-glucopyranosyl(1→3)]-β-D-glucopyranosyl ]}echinocystic acid(congmunoside ⅩⅤ),was isolated from the root bark of Aralia elata (Miq.) Seem.Its structure was determined on the basis of the chemical and spectroscopy methods.
文摘Two new saponins,3 O {〔β D glucopyranosyl (1→2)〕 〔β D glucopyranosyl (1→3) β D glucopyranosyl (1→3)〕 β D glucopyranosyl} oleanolic acid 28 O β D glucopyranosyl ester,(congmunoside Ⅹ,1);3 O {〔β D glucopyranosyl (1→3)〕 〔α L arabinofuranosyl (1→4)〕 β D glucuronopyranosyl} oleanolic acid 28 O β D glucopyranosyl (1→6) β D glucopyranoside,(congmunoside Ⅺ,2)were isolated from the root bark of Aralia elata (Miq.)Seem.Their structures were determined on the basis of the chemical and spectroscopy methods.