作者:Heng Zheng、Qiong Chen、Mengke Zhang、Yongji Lai、Liang Lei、Penghua Shu、Jinwen Zhang、Yongbo Xue、Zengwei Luo、Yan Li、Guangmin Yao、Yonghui Zhang
DOI:10.1021/np400600c
日期:2013.12.27
Fifteen new ent-kaurane diterpenoids, compounds 1–15, and two known analogues, 4-epi-henryine A (16) and leukamenin E (17), were isolated from the whole plants of Salvia cavaleriei. The structures of the new compounds were established by spectroscopic methods, and their absolute configurations were determined by electronic circular dichroism and single-crystal X-ray diffraction analyses with Cu Kα
15个新ENT -kaurane二萜类化合物,化合物1 - 15,以及两个公知的类似物,4-外延-henryine A(16)和leukamenin E(17)中,从全植物中分离贵州鼠尾草。通过光谱方法确定了新化合物的结构,并通过电子圆二色性和CuKα辐射的单晶X射线衍射分析确定了它们的绝对构型。化合物1 - 15为他们对五种人癌细胞系的细胞毒性,HL-60,SMMC-7721,A-549,MCF-7,和SW480,以及非癌性BEAS-2B细胞系进行了评价。化合物1 - 10,12,14,和15显示出广谱的细胞毒性,用化合物1,3,6 - 10,12,和15表现出更有效的细胞毒性比阳性对照,顺-platin,用IC 50值范围为0.65至6.4μM。