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. 2022 Apr 28;13:2295. doi: 10.1038/s41467-022-29982-2

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© The Author(s) 2022

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Fig. 2 — a Preforming the potassic salt 1a-K is possible to obtain the cross-coupling reaction. Of note, whatever the reaction conditions, no product was observed with an amide or a carbamate precursor. b Synthesis of 6 and its XRD structure.