4.7 Article

Organocatalyzed Synthesis of Isoxazolidin-5-ones: The Meldrum's Acid Approach

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 355, Issue 13, Pages 2513-2517

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201300465

Keywords

cycloaddition; isoxazolidinones; ketene equivalents; Meldrum's acid; organic catalysis; organocatalysis

Funding

  1. INSA Rouen, Rouen University
  2. CNRS
  3. EFRD
  4. Labex SynOrg [ANR-11-LABX-0029]
  5. Region Haute-Normandie
  6. European Union [33236]

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Meldrum's acid has turned out to be a useful ketene equivalent when faced to nitrone dipoles to form various isoxazolidin-5-one derivatives under very mild Bronsted base organocatalytic conditions. The first asymmetric version of this original domino anionic formal [3+2] cycloaddition-decarboxylation reaction was demonstrated by means of quinine-based organocatalysts.

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