<i>Meta</i>-, Regioselective Amination ofCyclic Diaryliodoniums through C–I and C–O Bond Cleavages:An Access to Functionalized Coumarins

Despite the widespread <i>ortho</i>-functionalization of cyclic diaryliodoniums in organic chemistry, the corresponding <i>meta</i>-functionalization is less explored. Herein, we report a practical <i>meta</i>-selective activation of cyclic hypervalent iodoniums for the synthesis of 4-amino coumarin derivatives in a broad functional group tolerance and environmentally friendly manner. The practicability of this protocol was further highlighted by the late-stage modification of some common pharmaceuticals and natural products.