化学
废止
立体选择性
烯酮
硼氢化
立体化学
戒指(化学)
甲基化
组合化学
有机化学
催化作用
生物化学
基因
作者
Subhash Ghosh,Fatima Rivas,Derek Fischer,Miguel A. González,Emmanuel A. Theodorakis
出处
期刊:Organic Letters
[American Chemical Society]
日期:2004-02-12
卷期号:6 (6): 941-944
被引量:37
摘要
An efficient synthesis of enone 4, representing the ABC ring motif of norzoanthamine, is presented. The crucial C22 quaternary center was introduced via a stereoselective methylation of enone 8. The trans-anti-trans relative configuration of the ABC framework of 4 was installed via a sequence of reactions that included a hydroboration and a modified Robinson annulation.
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