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Synthesis 2001(16): 2477-2483
DOI: 10.1055/s-2001-18715
DOI: 10.1055/s-2001-18715
PAPER
© Georg Thieme Verlag Stuttgart · New YorkSynthesis of β-Carbolines from 2-Acyl-1-benzenesulfonyl-3-iodo-1H-indoles
Further Information
Received
13 July 2001
Publication Date:
05 August 2004 (online)
Publication History
Publication Date:
05 August 2004 (online)

Abstract
2-Acyl-1-benzenesulfonyl-3-iodo-1H-indoles and 1-benzenesulfonyl-3-iodo-1H-indole-2-carbaldehyde give in satisfactory yields 1,3- and 3-substituted-β-carbolines, respectively, by combined palladium-catalyzed coupling with alk-1-ynes followed by 6-endo-dig cycloamination reactions.
Key words
indoles - alkynes - 9H-pyrido[3,4-b]indoles - palladium - annulation reactions
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