Table 2. Giese Reaction between Compounds 1a–1e and 2a–2e^a.

^aReaction conditions: compounds 1a–1d (1 equiv, 0.12 mmol), compounds 2a–2e (2 equiv, 0.24 mmol), DIPEA (3 equiv, 0.36 mmol), HE (2 equiv, 0.24 mmol), photocatalyst D (5 mol %, 0.006 mmol), ACN/H₂O (2:1, 1 mL), blue LED (10 W), and time of 2 h. dr was calculated by NMR on the crude, and yield was calculated after the chromatography column.