Fig. 4: Mechanism investigation.
From: Regio‐ and enantioselective nickel-alkyl catalyzed hydroalkylation of alkynes
a Regioselectivity-determining step of aryl, alkyl-alkynes. b Regioselectivity-determining step of alkyl,alkyl-alkynes. c Deuterium labeling experiments. d Radical clock experiments. e The control experiments. f Proposed mechanism.
