Fig. 4: Mechanistic studies. | Nature Communications

Fig. 4: Mechanistic studies.

From: Para-selective nitrobenzene amination lead by C(sp2)-H/N-H oxidative cross-coupling through aminyl radical

Fig. 4

A Control experiments. a–d The essential role played by the N-H bonds of 1. e, f The crucial role of O2 in the reactions. g Radical homo-coupling of 5d. h The substitution of the nitro group with cyanide is not feasible. i Experiment in dark. j–l The impact of reactant stoichiometry and base type on the reaction. B Radical clock experiments. m The radical clock experiment of 5i with 2a and the possible process.

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