Sequential C–O decarboxylative vinylation/C–H arylation of cyclic oxalates <i>via</i> a nickel-catalyzed multicomponent radical cascade
作者:Huan Li、Lei Guo、Xiaoliang Feng、Liping Huo、Shengqing Zhu、Lingling Chu
DOI:10.1039/d0sc01471k
日期:——
A selective, sequential C–O decarboxylative vinylation/C–H arylation of cyclic alcohol derivatives enabled by visible-light photoredox/nickel dual catalysis is described. This protocol utilizes a multicomponent radical cascade process, i.e. decarboxylative vinylation/1,5-HAT/aryl cross-coupling, to achieve efficient, site-selective dual-functionalization of saturated cyclic hydrocarbons in one single
描述了通过可见光光氧化还原/镍双重催化实现的环状醇衍生物的选择性连续C-O脱羧乙烯基化/C-H芳基化。该方案利用多组分自由基级联过程,即脱羧乙烯化/1,5-HAT/芳基交叉偶联,在一次操作中实现饱和环烃的高效、位点选择性双官能化。这种协同方案提供了直接获得富含sp 3的支架以及从简单的起始材料逆合成断开多种功能化饱和环系统的方法。