Fig. 1: sp³ C–N bond formations with N-center radicals.

a Cu-catalyzed radical sp³ C–N cross-couplings^6,7,8. b Addition reactions between N-center radicals and alkenes (enamines)⁹. c This work: sp³ C–N cross-coupling between alkyl radical and N-center radical. X = halogen, nitrosoamides, H, and so on. Y = C or N.