A new cycloartanoid triterpene, 3-oxo-24-cycloarten-21-oic acid, has been isolated from leaves of Lansium domesticum, and the structure has established on the basis of spectral and an X-ray diffraction studies. Some of the natural product derivatives show significant inhibitory activity of skin-tumor promotion on the basis of Epstein Barr virus activation.
从domestic属植物的叶子中分离出了一种新的
三环类萜三萜3-氧代-24-环arten-21-
油酸,并在光谱和X射线衍射研究的基础上确定了其结构。一些
天然产物衍
生物在爱泼斯坦巴尔病毒激活的基础上显示出显着的抑制皮肤肿瘤生长的活性。