Fig. 2: Generality of enantioselective Smiles rearrangement involving aryldiazonium tetrafluoroborates.

Reaction conditions: 1 (0.2 mmol), 2 (0.4 mmol), Na₂S₂O₄ (0.4 mmol), Mes-AcrClO₄ (2 mol%), NaHSO₃ (0.3 mmol), MeCN (3.0 mL), 35 W blue LED, under N₂ at 10 °C for 18 h.