4.6 Article

Efficient and simple zinc-mediated synthesis of 3-amidoindoles

Journal

ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 9, Issue 18, Pages 6331-6334

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ob05576c

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Funding

  1. BMBF (Bundesministerium fur Bildung und Forschung)
  2. Deutsche Forschungsgemeinschaft (Leibniz-price) [GRK 1113]

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A general synthesis of 3-amidoindoles from easily available arylhydrazines and acylated propargylamines is described. In the presence of inexpensive Zn salts, alkyne amination and subsequent Fischer indole-cyclization took place in good yields with excellent regioselectivity providing an interesting scaffold for potentially bio-active compounds.

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