and Two Smoking Barrelenes: The rhodium‐catalyzed 1,4‐addition of readily available arylboronic acid anhydrides to simple β,β‐disubstituted α,β‐unsaturated ketones creates quaternary carbon stereocenters with high enantiomeric excesses using a chiral tetrafluorobenzobarrelene ligand.
锁定,储备和两个可吸烟的Barrelenes:使用手性
四氟苯并Barbarrelene
配体,将
铑催化的1,4-易得的芳基
硼酸酐加成到简单的β,β-二取代的α,β-不饱和酮上会形成具有高对映体过量的季碳立体中心。