Synthetic Study on Acremoxanthone A: Construction of Bicyclo [3.2.2]nonane CD Skeleton and Fusion of AB Rings
作者:Keisuke Suzuki、Yoichi Hirano、Kensei Tokudome、Hiroshi Takikawa
DOI:10.1055/s-0036-1588600
日期:——
Toward the total synthesis of acremoxanthone A, a model study has revealed a convergent approach to construct the ABCDE ring system. The key steps include: (1) an effective construction of the bicyclo[3.2.2]nonane skeleton, (2) protocol for generating the bridgehead anion and trapping, and (3) 1,3-dipolar cycloaddition of a nitrile oxide to the internal alkene.
对于 acremoxanthone A 的全合成,一项模型研究揭示了一种构建 ABCDE 环系统的收敛方法。关键步骤包括:(1) 双环 [3.2.2] 壬烷骨架的有效构建,(2) 生成桥头阴离子和捕获的协议,以及 (3) 腈氧化物的 1,3-偶极环加成反应内部烯烃。