Fig. 5: Control experiments.
From: A facile synthesis of α,β-unsaturated imines via palladium-catalyzed dehydrogenation

a Radical trapping experiments. b Direct dehydrogenation reaction of imine. c Deuterium labeling experiments. d Direct dehydrogenation reaction of enamide. e Kinetic isotope effect experiments. BHT, butylated hydroxytoluene; TEMPO, 2,2,6,6-tetramethylpiperidinooxy.