Fig. 3: Scope of electrooxidative C–C bond amination of unactivated alkylbenzenes^a.

^aReaction conditions: substrates (0.3 mmol), Et₄NBF₄ (0.1 M), MeCN (3.0 mL), HFIP (1.0 mL), MeSO₃H (0.1 mL), TFA (0.5 mL), graphite felt anode, Pt plate cathode, rt, in an undivided cell with constant voltage (2.2 V), under air atmosphere. Isolated yield. ^bSubstrates (0.6 mmol). ^cConstant voltage (2.1 V). ^dCarbon cloth anode. ^eConstant voltage (2.4 V), carbon cloth anode, w/o TFA. ^fEt₄NBF₄ (0.2 M), MeSO₃H (0.15 mL), TFA (0.5 mL). ^gConstant voltage (2.4 V). The total consumed charge and Faradaic efficiency for representative substrates were included in the Supplementary Information. HFIP 1, 1, 1, 3, 3, 3-hexafluoro-2-propanol, TFA trifluoroacetic acid, Me methyl, Et ethyl, Ac acetyl, ^tBu tert-butyl, ⁿBu n-butyl, ⁿPr n-propyl, ⁿHex n-hexyl.