4.7 Article

Multicomponent Catalytic Enantioselective Synthesis of Isoxazolidin-5-Ones

Journal

ADVANCED SYNTHESIS & CATALYSIS
Volume 363, Issue 18, Pages 4447-4451

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.202100719

Keywords

Meldrum's acid; Multicomponent reaction; Organocatalysis; Cupreine; Isoxazolidinone

Funding

  1. University of Rouen Normandy
  2. Centre National de la Recherche Scientifique (CNRS)
  3. European Regional Development Fund (ERDF)
  4. Labex SynOrg [ANR-11-LABX-0029]
  5. Carnot Institute I2C
  6. Region Normandie
  7. French National Research Agency (ANR) [ANR-16-CE07-0011-01]
  8. INSA Rouen Normandy
  9. graduate school for research XL-Chem [ANR-18-EURE-0020 XL CHEM]
  10. Agence Nationale de la Recherche (ANR) [ANR-16-CE07-0011] Funding Source: Agence Nationale de la Recherche (ANR)

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The strategy reported involves a multicomponent catalytic enantioselective synthesis of beta-substituted isoxazolidin-5-ones via a KMC process promoted by a suitable bifunctional organocatalyst. The hydroxamic acid component with sterically hindered amide moiety is crucial for the successful formation and transformation of the N-amide isoxazolidin-5-ones obtained.
We report herein a strategy to afford a multicomponent catalytic enantioselective synthesis of beta-substituted isoxazolidin-5-ones via a KMC process promoted by a suited cupreine used as bifunctional organocatalyst. The hydroxamic acid component, with a sterically hindered amide moiety, proved to be key for the successful formation and transformation of the obtained original N-amide isoxazolidin-5-ones.

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