Ni-Catalyzed Divergent Cyclization/Carboxylation of Unactivated Primary and Secondary Alkyl Halides with CO2

A user-friendly Ni-catalyzed reductive cy-clization/carboxylation of unactivated alkyl halides with CO2 is described. The protocol operates under mild con-ditions with excellent chemoselectivity profile and a divergent syn/anti-selectivity pattern that can be easily modulated by the ligand backbone or substrate utilized