描述了 Eg5 抑制剂 terpendole E 的 DEF 环萜类片段的合成。DE-环是通过对 Barrero 自由基环化的修饰而构建的。然后通过环氧醇的酸诱导环化构建 F 环四氢吡喃,环氧醇通过交叉复分解和 Shi 环氧化制备。基于细胞的测定表明DEF-环片段不能抑制人癌细胞系的细胞生长和细胞周期进程,表明单独的DEF-环片段不足以实现生物活性。
Asymmetric Synthesis and in vivo Biological Inactivity of the Right-Hand Terpenoid Fragment of Terpendole E
作者:Masato Oikawa、Ryo Hashimoto、Makoto Sasaki
DOI:10.1002/ejoc.201001104
日期:2011.1
Synthesis of the DEF-ring terpenoidfragment of terpendoleE, an Eg5 inhibitor, is described. The DE-ring was constructed by a modification of Barrero's radical cyclization. The F-ring tetrahydropyran was then constructed by acid-induced cyclization of an epoxy alcohol, which was prepared by cross-metathesis followed by Shi's epoxidation. Cell-based assays indicated that the DEF-ring fragment is not
描述了 Eg5 抑制剂 terpendole E 的 DEF 环萜类片段的合成。DE-环是通过对 Barrero 自由基环化的修饰而构建的。然后通过环氧醇的酸诱导环化构建 F 环四氢吡喃,环氧醇通过交叉复分解和 Shi 环氧化制备。基于细胞的测定表明DEF-环片段不能抑制人癌细胞系的细胞生长和细胞周期进程,表明单独的DEF-环片段不足以实现生物活性。