Table 2.
Reaction conditions: 1a–k (0.1 mmol), 2a–k (3 equiv), 3a (4 equiv), Pd(OAc)2 (10 mol%), L34 (20 mol%), BQ (20 mol%), NaF (2 equiv), HFIP/THF/DMF (2:2:1, 0.2 mL), 45 °C, O2, 5 d. Percentages refer to isolated yields. Diastereomeric ratios (dr) are >20:1 in all cases. The enantioselectivity was determined by SFC analysis. bKF (2 equiv), HFIP/THF (1:1, 0.2 mL), 60 °C, 2 d.