【摘要】 从白粉藤(Cissus repensLank)地上部分分离得到5个木脂素和8个三萜,其中一个木脂素是新化合物,它的结构通过波谱分析和碱水解的方法鉴定为:(+)-异落叶松树脂醇-9′-(2-对-香豆酰)-O-β-D-吡喃木糖苷(1)。其余化合物分别是:(+)-异落叶松树脂醇-9′-O-β-D-吡喃木糖苷(2),(+)-Lyoniside(3),(─)-开环异落叶松树脂醇-9-O-β-D-吡喃木糖苷(4),(7′R,8′S)-4′-hydroxy-3′,5-dimethoxy-7′,8′-dihydro-benzofuran-1-propanolneolignan-9′-O-β-D-xylopyranoside(5),木栓酮(6),表木栓醇(7),蒲公英赛醇乙酸酯(8),熊果酸(9),2α-羟基乌索酸(10),积雪草酸(11),Niga-ichigoside F1(12),羽扇豆醇(13)。这些化合物都是首次从该植物中分离得到。更多还原

【Abstract】 s:Five lignans and eight triterpenoids were isolated from the aerial parts of Cissus repens.Among them,a lignan,(+)-isolariciresinol-9′-(2-p-coumaric)-O-β-D-xylopyranoside (1),was new and its structure was established on the basis of spectroscopic methods and alkaline hydrolysis.Other compounds,(+)-isolariciresinol-9′-O-β-D-xylopyranoside (2),(+)-lyoniside (3),(─)-secoisolariciresinol-9-O-β-D-xylopyranoside (4),(7′R,8′S)-4′-hydroxy-3′,5-dimethoxy-7′,8′-dihydrobenzofuran-1-propanolneolignan-9′-O-β-D-xylopyranoside (5),friedelin (6),epifriedelanol (7),taraxerol-3β-acetate (8),ursolic acid (9),2α-hydroxyursolic acid (10),asiatic acid (11),niga-ichigoside F1 (12) and lupeol (13),were found in the plant for the first time.更多还原