Fig. 6: A proposed mechanism based on experimental investigation.
From: Modulating stereoselectivity in allylic C(sp3)-H bond arylations via nickel and photoredox catalysis

a Experiments supporting the intermediacy of a nickel-allyl species. b Stoichiometric study with Ni(II)-Aryl complex. c Stoichiometric study with Ni(II)-Allyl complex. d Proposed reaction mechanism.