Synthesis of Bromo-Substituted 4-Hydroxy[2.2]paracyclophanes and [2.2]Paracyclophane-4,7-quinones as Versatile Chiral Building Blocks
作者:Natalia V. Atman Vorontsova、Roman P. Zhuravsky、Dmitrii Yu. Antonov、Elena V. Sergeeva、Ivan A. Godovikov、Zoya A. Starikova、Anna V. Vologzhanina
DOI:10.1002/ejoc.201403316
日期:2015.1
Approaches to a number of bromo-substituted derivatives of 4-hydroxy[2.2]paracyclophane, including the regioselective mono- and dibromination of this phenol, were investigated. The applicability of the regioisomeric monobromo-substituted phenols for the synthesis of substituted [2.2]paracyclophane-4,7-quinones through a one-pot diazonium coupling/reduction/oxidation sequence was demonstrated. The compounds
研究了许多 4-羟基 [2.2] 对环芳的溴取代衍生物的方法,包括该苯酚的区域选择性单溴化和二溴化。证明了区域异构的单溴取代苯酚通过一锅重氮偶联/还原/氧化序列合成取代的 [2.2] 对环芳烷-4,7-醌的适用性。获得的化合物具有多种取代模式,可用于通过溴、羟基和醌类片段的转化合成各种 [2.2] 对环芳烷衍生物。