Biphenylenes can be easily and efficiently obtained at low temperature by the organolithium-mediated cyclization of halobiphenyls via an aryne intermediate. This synthetic protocol provides an advantage for the direct and controlled functionalization at the C1 position.
通过
有机锂介导的卤代苯基经由
芳烃中间体的环化反应,可以在低温下轻松高效地获得
联苯。该合成方案为在C1位置进行直接和受控功能化提供了一个优势。