During the course of our synthetic studies on ciguatoxin, synthesis of H-I-J tricyclic fragment has been stereoselectively achieved starting from a d-glucal derivative. The key steps are Sonogashira coupling reaction and cobalt complex-mediated oxocane cyclization.
在对雪卡毒素进行合成研究的过程中,我们从 d-
葡萄糖醛衍
生物开始,立体选择性地合成了 H-I-J
三环片段。关键步骤是 Sonogashira 偶联反应和
钴络合物介导的氧杂环化反应。