Table 9. Reaction of Vinyl Iodides with Aldehydes in the Presence of (S)-14^a.

^aReagents for entries 1–16: vinyl iodide (2.2 equiv), Zn Et₂ (1.2 equiv), Li(acac) (26 mol %), NMP (1.0 mL in entries 1–6 and 10–16; 450 μL in entries 7–9), (S)-14 (10 mol %), aldehyde (1.0 equiv). Reagents for entries 17–21: vinyl iodide (8.0 equiv), ZnEt₂ (4.0 equiv), Li(acac) (50 mol %), NMP (1.0 mL), (S)-14 (10 mol %), aldehyde (1.0 equiv). At 0 °C except at room temperature for entries 7–9.