作者:Kan He、Geng-Xian Zhao、Guoen Shi、Lu Zeng、Jin-Feng Chao、Jerry L. McLaughlin
DOI:10.1016/s0968-0896(96)00264-7
日期:1997.3
Trilobalicin (1), a new nonadjacent bis-THF ring annonaceous acetogenin, 2,4-cis- (2) and 2,4-trans-trilobacinone (3), the ketolactones of trilobacin, an adjacent bis-THF ring acetogenin, were isolated from the stem bark of Asimina triloba (L.) Dunal (Annonaceae). Their structures were established based on chemical and spectral evidence. The relative stereochemistry of 1 was determined as trans/th
Trilobalicin(1)是一种新的不相邻的双THF环化丙酮生成素,2,4-顺式(2)和2,4-trans-trilobacinone(3),即与相邻的双THF环产乙酸甘油酯的三环素的酮内酯。从Asimina triloba(L.)Dunal(Annonaceae)的茎皮中分离得到。根据化学和光谱证据确定了它们的结构。通过将NMR数据与模型化合物的数据进行比较,确定C-1至C-22的反式/苏式/苏式/苏式/反式/赤型为1。化合物1是从标题物种中分离出的不相邻的双THF乙酰化原素的第一个实例,代表了这些化合物的新型形式。确定了这些新结构对盐水虾幼虫和6种人类实体瘤细胞系的生物活性,