Photoarylation of Iodocarboranes with Unactivated (Hetero) Arenes: Facile Synthesis of 1,2-[( Hetero)Aryl]n-o-Carboranes (n=1,2) and o- Carborane-Fused Cyclics

Photoarylation of iodocarboranes with unactivated arenes/heteroarenes at room temperature has been achieved, for the first time, thus leading to the facile synthesis of a large variety of cage carbon mono(hetero) arylated and di-(hetero) arylated o-carboranes. This work represents a clean, efficient, transition-metal-free, and cheap synthesis of functionalized carboranes, which has significant advantages over the known methods.