Evonymus joponica Thunb. belongs to the pant of Celastraceae and spreads in China broad. The root of this plant is used as medicine usually. It can regulate menstrual cycle and clear up blood lump. The whole plant is often cultivated as green fence. The flower blossoms from June to July. During this time the flower can attract a lot of the fly of Lucitia sericata, even the flower covered by fly. This phenomenon is strange and is interested by us. Because the components of the flower have not been reported as yet, we identified them by means of GC/MS.
目的 从萝科鹅绒藤属植物耳叶牛皮消 (CynanchumauriculatumRoyleexWight)块根中分离出有细胞毒活性的 2种C2 1甾体苷。方法 用柱色谱和HPLC法分离纯化 ,通过化学降解及光谱分析 (UV ,IR ,1HNMR ,13 CNMR ,DEPT ,HR FAB MS ,FAB MS ,HMQC和HMBC)鉴定其化学结构。结果 从白首乌中分离得到白首乌新苷A(I)与B(II) ,其化学结构分别为 :告达庭 3 O β D 葡吡喃糖基 (1→ 4) β D 磁麻吡喃糖基 (1→ 4) β D 夹竹桃吡喃糖基 (1→ 4) β D 磁麻吡喃糖苷 ;告达庭 3 O β D 葡吡喃糖基 (1→ 4) β D 夹竹桃吡喃糖基 (1→ 4) β D 洋地黄毒吡喃糖基 (1→ 4) β D 磁麻吡喃糖苷。 结论 白首乌新苷A和B均为新C2
