formation of a highly polarized, aminium radical cation enables direct C–H amination, allowing the coupling of an exceptionally broad range of alkyl amines and arenes

  • A. Ruffoni, F. Juliá, T..D. Svejstrup, A..J. McMillan, J..J. Douglas, and D. Leonori, "Practical and regioselective amination of arenes using alkyl amines", Nature Chemistry, vol. 11, pp. 426-433, 2019.