4.8 Article

Ligand-Controlled Regiodivergent Palladium-Catalyzed Decarboxylative Allylation Reaction to Access α,α-Difluoroketones

Journal

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 54, Issue 8, Pages 2361-2365

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201410039

Keywords

allylation; fluorine; palladium; phosphine ligands; regioselectivity

Funding

  1. American Chemical Society Petroleum Research Fund [5207-DNI1]
  2. Herman Frasch Foundation for Chemical Research [701-HF12]
  3. University of Kansas, Office of the Provost, Department of Medicinal Chemistry
  4. General Research Fund [2301795]
  5. NSF Academic Research Infrastructure Grant [9512331]
  6. NSF Major Research Instrumentation Grant [9977422]
  7. NIH Center Grant [P20 GM103418]
  8. Division Of Chemistry
  9. Direct For Mathematical & Physical Scien [9977422] Funding Source: National Science Foundation

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alpha,alpha-Difluoroketones possess unique physicochemical properties that are useful for developing therapeutics and probes for chemical biology. To access the -allyl-,-difluoroketone substructure, complementary palladium-catalyzed decarboxylative allylation reactions were developed to provide linear and branched -allyl-,-difluoroketones. For these orthogonal processes, the fluorination pattern of the substrate enabled the ligands to dictate the regioselectivity of the transformations.

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