An unusual base induced 1,5-electrocyclization of a tetracyclic 1,4-cyclohexadiene derivative
作者:Valérie Blanchot-Courtois、Issam Hanna、Thierry Prangé
DOI:10.1016/s0040-4039(00)61190-5
日期:1992.8
Treatment of tetracyclic 1,4-cyclohexadiene 1 with LDA in THF at −70°C led to 2 by an unusual 1,5-electrocyclization; the structure of 2 was established by spectroscopic data and by X-ray crystallographic analysis.
在-70°C下用LDA在THF中处理四环1,4-环己二烯1导致1,5-不寻常的1,5-电环化反应生成2 ; 通过光谱数据和X射线晶体学分析确定了2的结构。