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. Author manuscript; available in PMC: 2020 Mar 9.
Published in final edited form as: Acc Chem Res. 2019 Dec 23;53(1):20–31. doi: 10.1021/acs.accounts.9b00562

Figure 3.

Figure 3.

Small-molecule and protein models used in developing sulfenic acid probes. (a) Stabilized small-molecule and protein sulfenic acids. (b) Hydrolytic equilibrium of cyclic sulfenamide. (c) Generation of sulfenic acids via sulfoxide elimination. (d) Photocaged sulfenic acid.