Indirect C–H Azidation of Heterocycles via Copper-Catalyzed Regioselective Fragmentation of Unsymmetrical λ3-Iodanes

Dmitrijs Lubriks, Igors Sokolovs, and Edgars Suna 

 J. Am. Chem. Soc., 2012, 134 (37), pp 15436–15442 

DOI: 10.1021/ja305574k