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. 2023 Jul 24;14:4438. doi: 10.1038/s41467-023-40164-6

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© The Author(s) 2023

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Fig. 6 — a Functionalization of complex molecules. b Demethylation of 3m. c Palladium-catalyzed hydrogenation of 3u and Brønsted acid-catalyzed alkylation of indole with 3u as alkylation reagent. Boc = t-butoxycarbonyl.