... Herein, we report the asymmetric synthesis of substituted dihydrobenzofurans by the cationic rhodium(I)/(R ... 4 (0.015 mmol, 5 mol %), (R)-BINAP (0.015 mmol, 5 mol %), and 1a–k (0.30 mmol ... cascade was achieved by using a cationic rhodium(I)/(R)-BINAP complex as a catalyst. ...