Fig. 5: Mechanistic studies.
From: Photo-induced selective N-N bond construction via harnessing nitrene release and transfer
a Light/dark on-off experiment; b UV-vis absorption spectra of 1-16, 2a, and 1-16 + 2a in CHCl3; c Cyclic voltammetry experiment; d Steady-state emission spectra for 1-16 at different concentrations of 2a; Insert: Stern-Volmer plot for 1-16 + 2a; e Transient absorption spectra of 1-16 in CHCl3 after 355 nm laser excitation; f Decay traces at 450 nm for triplet acylnitrene of 1-16 and 370 nm for singlet acylnitrene of 1-16; g Decay traces at 450 nm for triplet acylnitrene of 1-16, and triplet acylnitrene of 1-16 + 200 mM 2a; h Decay traces at 370 nm for singlet acylnitrene of 1-16 at different concentrations of 2a; i Stern-Volmer plots for singlet acylnitrene of 1-16 + 2a (orange) and singlet acylnitrene of 1-16 + 21a (purple).
