boron-masking strategy, new divalent cross-coupling modules have been designed for the efficient synthesis of boron-substituted oligoarenes. The modules, i.e., monoprotected o-, m-, and p-benzenediboronic acid derivatives, undergo highly selective Suzuki-Miyaura coupling with sp2 iodides, bromides, chlorides, and triflates, affording coupling products in which the protected boronyl groups are left intact
基于
硼屏蔽策略,已设计出新的二价交叉偶联模块以有效合成
硼取代的低聚
芳烃。该模块,即单保护的邻,间和对苯二
硼酸衍
生物,经过高度选择性的Suzuki-Miyaura与sp2
碘化物,
溴化物,
氯化物和
三氟甲磺酸酯偶联,得到偶联产物,其中受保护的
硼烷基保持完整。