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Synlett 2011(5): 623-626
DOI: 10.1055/s-0030-1259548
DOI: 10.1055/s-0030-1259548
LETTER
© Georg Thieme Verlag
Stuttgart ˙ New York
Domino Ligand-Free Copper-Catalyzed Synthesis of Polysubstituted Indoles
Weitere Informationen
Received
24 September 2010
Publikationsdatum:
11. Februar 2011 (online)
Publikationsverlauf
Publikationsdatum:
11. Februar 2011 (online)
Abstract
The synthesis of polysubstituted indoles is described by the domino reaction of 2-haloanilines and 1,3-dicarbonyl compounds, 1,3-diketones, β-keto esters and β-keto amides, using copper catalysis under ligand-free conditions. The protocol provides a simple, general and atom economical process for the synthesis of substituted indoles at moderate temperature.
Key words
Cu2O - indoles - cesium carbonate - 1,3-dicarbonyl compounds - 2-haloanilines
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