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. 2021 Apr 28;143(18):6817–6822. doi: 10.1021/jacs.1c03257

Figure 2.

Figure 2

(A) Proof of concept and effects of the pyridine substitution. (B) Assessment of the catalyst acidity (pKa’s determined in MeCN).20 (C) Developing highly acidic and chemoselective PADI catalysts. (D) Practical and direct oxidation toward the functionalized product.