2,3-Disubstituted Indoles via Palladium-Catalyzed Reaction of 2-Alkynyltrifluoroacetanilides with Arenediazonium Tetrafluoroborates
Sandro Cacchi*, Giancarlo Fabrizi, Antonella Goggiamani, Alcide Perboni, Alessio Sferrazza and Paolo Stabile
*School of Chemistry and Chemical Engineering, South China
University of Technology, Guangzhou 510640, P. R. China, Email: sandro.cacchiuniroma1.it
S. Cacchi, G. Fabrizi, A. Goggiamani, A. Perboni, A. Sferrazza, P. Stabile, Org. Lett., 2010, 12, 3279-3281.
DOI: 10.1021/ol101321g
Abstract
A palladium-catalyzed synthesis of free N-H 2,3-disubstituted indoles from arenediazonium tetrafluoroborates and 2-alkynyltrifluoroacetanilides tolerates a variety of useful substituents in the substrates, including bromo and chloro substituents, nitro, cyano, keto, ester, and ether groups.
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ID: J54-Y2010-2000