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Synthesis 2010(10): 1719-1723
DOI: 10.1055/s-0029-1218721
DOI: 10.1055/s-0029-1218721
PAPER
© Georg Thieme Verlag
Stuttgart ˙ New York
Three-Component Reaction of a δ-Hydroxy-α,β-Unsaturated Aldehyde with Arylamines and 1,3-Diketones: A Novel Synthesis of Oxa-Aza Bicycles
Further Information
Received
8 February 2010
Publication Date:
06 April 2010 (online)
Publication History
Publication Date:
06 April 2010 (online)
Abstract
δ-Hydroxy-α,β-unsaturated sugar aldehydes (Perlin aldehydes) undergo smooth coupling with β-enamino ketones and β-enamino esters generated in situ from arylamines and 1,3-dicarbonyl compounds in the presence of 10 mol% InCl3 in acetonitrile at 80 ˚C, to produce oxa-aza-bicycles in good yields with high selectivity.
Key words
Perlin aldehyde - 1,3-dicarbonyl compounds - indium salts - oxa-aza-bicycles
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