Table 2. Substrate Scope: Variation of the Lactam N-Protecting Group. Addition of Phenylboronic Acid to Lactams (1a–o) with Different N-Protecting Groupsa.
Conditions: Reactions were performed with phenylboronic acid (0.08 mmol, 4 equiv), lactams 1a–o (0.02 mmol), Pd(TFA)2 (10 mol %), (S)-t-BuPyOx (12 mol %), AgBF4 (24 mol %), H2O (5 equiv) in CH2Cl2 (0.16 mL) at 30 °C for 16 h. Yield was determined by 1H NMR relative to 1,3,5-trimethoxybenzene internal standard. ee was determined by chiral SFC.