Fig. 6: Synthesis and applications of chiral NBE-type ligands.

a Facile synthesis of chiral NBE-ligands. b The applications of NBE-ligands in the construction of atropisomers. Ph, phenyl; iPr, isopropyl.

a Facile synthesis of chiral NBE-ligands. b The applications of NBE-ligands in the construction of atropisomers. Ph, phenyl; iPr, isopropyl.