Ligand-controlled regiodivergent Ni-catalyzed -hydroboration/carboboration of internal alkynes with Bpin.

Unprecedented regioselective -hydroboration and carboboration of unbiased electronically internal alkynes were realized a nickel catalysis system with the aid of the directing group strategy. Furthermore, the excellent α- and β-regioselectivity could be accurately switched by the nitrogen ligand (terpy) and phosphine ligand (Xantphos). Mechanistic studies provided an insight into the rational reaction process, that underwent the -to- isomerization of alkenyl nickel species. This transformation not only expands the scope of transition-metal-catalyzed boration of internal alkynes but also, more particularly, portrays the vast prospects of the directing group strategy in the selective functionalization of unactivated alkynes.