C4−H alkoxylation of 6-bromoindole and its application to the synthesis of breitfussin B
2018
Nabi, Ardalan A. | Liyu, Jessica | Lindsay, Ashley C. | Sperry, Jonathan
Subjecting 6-bromoindole to an iridium-catalysed triborylation-diprotodeborylation sequence followed by Chan-Evans-Lam coupling gives 6-bromo-4-methoxyindole in good overall yield. This indole C4−H alkoxylation process was used in a formal synthesis of the natural product breitfussin B.
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