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. Author manuscript; available in PMC: 2022 Jun 8.
Published in final edited form as: Chem Rev. 2021 Dec 20;122(1):1–49. doi: 10.1021/acs.chemrev.1c00521

Figure 7.

Figure 7.

Multiple-site concerted proton–electron transfer (MS-CPET). (A) General scheme for XH oxidation or X reduction.80 (B) Schematic of tyrosine-161 oxidation in Photosystem-II by long-range ET to the oxidized chlorophyll special pair P680+ concerted with PT to histidine-190.1,8 (C) Photocatalytic MS-CPET oxidation of an amide with photooxidant Mn and base B−.109 (D) Photoinduced MS-CPET to a noncovalently bonded oxidant/base pair.110 Reprinted with permission from refs 80, 1, 109, and 110, respectively. Copyright 2018, 2007, 2016, and 2019 American Chemical Society.