Fig. 3
From: Metal-free alcohol-directed regioselective heteroarylation of remote unactivated C(sp3)–H bonds
Mechanistic studies. a Reaction with ethers instead of alcohols. b NMR studies for mechanistic investigation. c Absorption spectra (PIFA and 4) and emission spectra (blue LEDs). d Radical clock experiment. PIFA: phenyliodine bis(trifluoroacetate)
