Fig. 8: Mechanistic studies.

a Radical-trapping experiment with 2,2,6,6-tetramethylpiperidinooxy (TEMPO). b Light-onāoff the experiment. c Deuterated and kinetic isotope experiments. d Exploration of possible intermediate involved.
a Radical-trapping experiment with 2,2,6,6-tetramethylpiperidinooxy (TEMPO). b Light-onāoff the experiment. c Deuterated and kinetic isotope experiments. d Exploration of possible intermediate involved.