Fig. 2
From: Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds

Scope of heteroaryls and alcohols. Reaction conditions: heteroaryl 1 (0.4 mmol), alcohol 2 (2.0 mmol), and PIFA (0.92 mmol) in DCM (2 mL), irradiated by 100 W blue LEDs, rt. Yields of isolated products are given. a1.5 equiv. TFA was added. PIFA: phenyliodine bis(trifluoroacetate)