作者:Shon R. Pulley、Barbara Czakó
DOI:10.1016/j.tetlet.2004.05.018
日期:2004.7
The Dötz benzannulation reaction provides mild conditions for the construction of highly functionalized aromatic compounds. We have utilized this method for the formal total synthesis of shikonin. The key step in our approach is the application of the Dötz benzannulation reaction between Fischer a chromium carbene complex and an optically active alkyne for the construction of the aromatic skeleton
Dötz苯环化反应为构建高度官能化的芳族化合物提供了温和的条件。我们已经将该方法用于紫草苷的正式全合成。我们方法中的关键步骤是在费希尔铬卡宾络合物和旋光炔烃之间进行Dötz苯甲环化反应,以构建芳香族骨架。接着使用Sharpless方法保护基团的操纵和环氧化物部分的形成。