The discrimination of a fluorine atom from a hydrogen atom has been challenging in asymmetric catalysis. We herein report iridium-catalyzed hydrogenation of α-fluoro ketones using a strategy of dynamic kinetic resolution. Both enantiomeric and diastereomeric selectivities were satisfactory in the preparation of β-fluoro alcohols. The DFT calculation revealed a C–F···Na charge–dipole interaction in
在不对称催化中,将
氟原子与氢原子区分开是具有挑战性的。我们在此报告使用动态动力学拆分策略的
铱催化的α-
氟代酮氢化。在制备β-
氟代醇中,对映异构体和非对映异构体的选择性均令人满意。DFT计算表明,在
氢化物转移的过渡态中存在CF-·Na电荷-偶极相互作用。这种非共价相互作用将负责非对映异构体的控制。