Fig. 3. Substrate scope for the synthesis of C─N axially chiral phenanthryl indoles 4.

Reaction conditions: 3 (0.1 mmol), Cu(CH₃CN)₄PF₆ (0.01 mmol), L12 (0.012 mmol), DCE (4 mL), 40 °C, in vials; yields are those for the isolated products; ee values are determined by HPLC analysis. ^aL10 (0.012 mmol). ^bent-L12 (0.012 mmol). Bs = 4-bromobenzenesulfonyl, Ns = 4-nitrobenzenesulfonyl.