Table 3. Giese Reaction between Compounds 1f–1i and 2a and 2f (Entry 1 in Table 1 Conditions)^a.

^aReaction conditions: compounds 1f–1i (1 equiv, 0.12 mmol), compound 2a or 2f (2 equiv, 0.24 mmol), DIPEA (3 equiv, 0.36 mmol), HE (2 equiv, 0.24 mmol), complex A (5 mol%, 0.006 mmol), DCM (1 mL), blue LED (10 W), and time of 16 h. dr was calculated by NMR on the crude, and yield was calculated after the chromatography column.