Fig. 1: BINOL-metal catalysts.
From: An unusual chiral-at-metal mechanism for BINOL-metal asymmetric catalysis

a Schematic representation of BINOL-metal catalysts, basic activation mode and chiral induction mechanism. b Asymmetric hydroboration of heteroaryl ketones by BINOL-aluminum catalysis and previously proposed aluminum hydride-based mechanism. c Unlocking octahedral chiral-at-metal catalysis mechanism in BINOL-metal catalytic systems with BINOL-aluminum-catalyzed asymmetric hydroboration of heteroaryl ketones as a case of study (This work).