: A stereoselective synthesis of the C1-C9 fragment of (-)-dictyostatin has been achieved by use of a titanium(IV) chloride mediated chelation-controlled Mukaiyama aldol reaction and two modified Homer-Wadsworth-Emmons olefinations (Roush-Masamune and Still-Gennari).
:通过使用
氯化
钛 (IV) 介导的螯合控制 Mukaiyama 羟醛反应和两种改进的 Homer-Wadsworth-Emmons 烯化反应(Roush-Masamune 和 Still),实现了 (-)-dictyostatin 的 C1-C9 片段的立体选择性合成-根纳里)。