Fig. 7: Asymmetric transfer hydrogenation of acylsilanes.

Reaction conditions: 1 or 3 (0.3 mmol), [Fe] (2-3 mol %), ⁱPrOH/H₂O (1.5: 0.1 mL), 70 °C, 12 h. Isolated yields. ^a(−)-Fe9-PhCN (2 mol %) was used, (−)-Fe9 means the enantiomer of the previous Fe9. ^bFe5-PhCN (3 mol %) was used.