Table 1.
Performed with [Ir(ppy)2 dtbbpy]PF6 (1 mol %), Hantzsch ester (1.3 mmol), 2-bromo-6-methylpyridine (1 mmol), alkene (3 mmol), and CySH (5 mol %) in 2,2,2-trifluoroethanol (0.1 M) at 23 °C for 16 h. Isolated yields are shown.
The reaction was performed on a 0.1 mmol scale.
The reaction was performed on a 0.25 mmol scale.