Table 2. Catalytic amino acid synthesis: scope of the halogenated heteroarene ^a .

^aConditions: halogenated heteroarene (1.0 mmol), dehydroalanine (2.0 mmol), Ir(ppy)₂dtbbpy·PF₆ (1.0 mol%), Hantzsch ester (HEH, 1.3–1.5 mmol), H₂O (1.7 mL), DMSO (8.3 mL), blue LED, 23 °C, 16 h, isolated yields shown.