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. Author manuscript; available in PMC: 2020 Jun 12.
Published in final edited form as: J Am Chem Soc. 2020 May 5;142(20):9112–9118. doi: 10.1021/jacs.0c03039

Figure 4.

Figure 4.

Mechanistic studies. (A) Temporal control experiments with 2 and 1a. (B) Additive and light-perturbation experiments. (C) Absorption spectra of 2, 1a, and 1d. (D) Mechanistic and NMR experiments performed on Trp analogs. a % conjugate observed by TIC. b Performed in a foiled reaction vessel that was irradiated. c UVP 365 nm lamp (8 W).