Fig. 2. Substrate scope for the synthesis of C─N axially chiral carbazolyl indoles 2.

Reaction conditions: 1 (0.1 mmol), Cu(CH₃CN)₄PF₆ (0.01 mmol), L14 (0.012 mmol), DCE (4 mL), −10 °C, in vials; yields are those for the isolated products; ee values are determined by HPLC analysis. ^aL10 (0.012 mmol). ^bL8 (0.012 mmol), 15 °C. ^cent-L14 (0.012 mmol).