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. Author manuscript; available in PMC: 2023 Sep 28.
Published in final edited form as: J Am Chem Soc. 2023 Sep 11;145(37):20610–20623. doi: 10.1021/jacs.3c07399

Figure 8.

Figure 8.

(A) Comparison of the three proposed mechanisms of CuII-catalyzed S-nitrosylation,51,92 involving (i) electrophilic addition to CuII, (ii) radical attack of S, and (iii) direct attack of the Cu–S bond. (B) Comparison of the orbital overlap requirements for NO attack of CuII–S via (i) S(pσ) vs (ii) S(pπ) interactions.