Selective nickel-catalyzed dehydrogenative–decarboxylative formylation of indoles with glyoxylic acid?

Organic & Biomolecular Chemistry Pub Date: 2018-04-30 DOI: 10.1039/C8OB00810H

Abstract

Herein we present a new strategy for the dehydrogenative–decarboxylative coupling of indoles with glyoxylic acid. A broad range of indoles were transformed into the corresponding 3-formylindoles in moderate to good yields and excellent functional group tolerance. Notably, no N-formylation product was detected under our conditions.

Graphical abstract: Selective nickel-catalyzed dehydrogenative–decarboxylative formylation of indoles with glyoxylic acid
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