Site-Selective C–H Functionalization of (Hetero)Arenes via Transient, Non-symmetric Iodanes

？ C–H functionalization of arenes or heteroarenes with Cl, Br, OMs, OTs, and OTf anions ？ Transient generation of reactive, non-symmetric iodanes from anions and PhI(OAc) 2 ？ Site-selective C–H chlorination of medicinally relevant arenes or heteroarenes ？ Computational methods for predicting sites of reactivity with complex molecule