Fig. 4: Mechanistic studies. | Nature Communications

Fig. 4: Mechanistic studies.

From: Accessing ladder-shape azetidine-fused indoline pentacycles through intermolecular regiodivergent aza-Paternò–Büchi reactions

Fig. 4

a UV–vis absorption spectrum of 1k, 2a, and thioxanthone. b Stern-Volmer plots of the photosensitizer thioxanthone using 1k and 2a as quenchers in MeCN. c Comparison of triplet excited state energies and redox potentials for photocatalysts. d Triplet energy quenching experiments using 1.0 equiv of 2,5-dimethylhexa-2,4-diene.

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