【摘要】 采用硅胶柱色谱和高效液相色谱等方法 ,对两头尖的化学成分进行了研究 ,从中分离得到两个化合物 ,经化学及IR ,ESI MS ,1HNMR ,13 CNMR ,DEPT ,HMQC ,HMBC ,GCOSY ,TOCSY等谱学分析鉴定其结构分别为 :3 O α L arabinopyranosyl( 1→ 3 ) α L rhamnopyranosyl( 1→ 2 ) [β D glucopyranosyl( 1→ 4) ] α L arabinopyranosyloleanolicacid 2 8 O α L rhamnopyranosyl( 1→ 4) β D glucopyranosyl( 1→ 6) β D glucopyranoside ( 1) ,3 O β D glucopyranosyl( 1→ 4) β D glucopyranosyl( 1→3 ) α L rhamnopyranosyl( 1→ 2 ) α L arabinopyranosyloleanolicacid 2 8 O α L rhamnopyranosyl( 1→ 4) β D glucopyranosyl( 1→ 6) β D glucopyranoside ( 2 ) ,该两个化合物为新化合物 ,分别命名为 :多被银莲花皂苷 16(Raddeanoside 16)和多被银莲花皂苷 17(Raddeanoside 17) .更多还原

【Abstract】 Two new triterpenoid saponins,raddeanoside 16 and raddeanoside 17 were isolated from the ethanolic extract of the rhizome of Anemone raddeana Regel. Their structures were elucidated as 3-O-α-L-arabinopyranosyl(1→3)-α-L-rhamnopyranosyl(1→2) [β-D-glucopyranosyl(1→4)]-α-L-arabinopyranosyl oleanolic acid 28-O-α-L-rhamnopyranosyl(1→4)-β-D-glucopyranosyl (1→6)-β-D-glucopyranoside (1) and 3-O-β-D-glucopyranosyl(1→4)-β-D-glucopyranosyl(1→3)-α-L-rhamnopyranosyl(1→2)-α-L-arabinopyranosyl oleanolic acid 28-O-α-L-rhamnopyranosyl(1→4)-β-D-glucopyranosyl(1→6)-β-D-glucopyranoside (2) by 1D and 2D NMR spectroscopic methods, including DEPT, HMQC, HMBC, GCOSY and TOCSY experiments, respectively.更多还原