4.7 Article

Visible-Light-Triggered, Metal- and Photocatalyst-Free Acylation of N-Heterocycles

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 360, Issue 21, Pages 4184-4190

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201800692

Keywords

acylation; N-heterocycles; visible-light; EDA complex; C-H functionalization; photoactivation; photocatalyst-free

Funding

  1. CNRS (Centre National de la Recherche Scientifique)
  2. Ministere de l'Education Nationale et de la Recherche
  3. ANR (Agence Nationale de la Recherche) France
  4. ANR [ANR-15-CE29-0004-01]

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A photoinduced acylation of N-heterocycles is explored. This visible-light triggered reaction occurs not only under extremely mild reaction conditions, but also does not require the presence of a photosensitizer. The mechanistic studies suggest formation of EDA complexes prompt to harness the energy from visible-light. Compatibility with a large panel of alpha-keto acids as acyl precursors and an array of N-heterocycles clearly showcase the synthetic potential of this handy and green acylation protocol.

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