Alkyne-Mediated Approach for Total Syntheses of Cladospolides A, B, C and<i>iso</i>-Cladospolide B
作者:Chada Raji Reddy、Devatha Suman、Nagavaram Narsimha Rao
DOI:10.1002/ejoc.201300022
日期:2013.6
general strategy for the stereoselective total syntheses of cladospolides A, B, and C and iso-cladospolide B has been accomplished. The key steps provide easy access to the target molecules and include an alkyne-zipper reaction, a Sharpless asymmetric epoxidation/dihydroxylation, and a Yamaguchi macrolactonization. The feasibility of the alkyne-mediated approach to construct the required carbon framework
已经完成了对枝条 A、B 和 C 以及异枝条 B 进行立体选择性全合成的一般策略。关键步骤提供了对目标分子的轻松访问,包括炔-拉链反应、Sharpless 不对称环氧化/二羟基化和 Yamaguchi 大环内酯化。成功证明了炔烃介导方法构建所需碳框架以及创建二醇官能团和烯烃几何结构的可行性。