4.6 Article

Gold-Catalyzed Intermolecular Synthesis of Alkylidenecyclopropanes through Catalytic Allene Activation

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 20, Issue 34, Pages 10636-10639

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201402935

Keywords

alkylidenecyclopropanes; allenes; catalysis; gold; sulfonium ylides

Funding

  1. University of Vienna
  2. DFG [MA 4861/4-1, MA 4861/4-2]
  3. Fundacao para a Ciencia e Tecnologia [PEst-OE/QUI/UI0100/2011, PTDC/QUI-QUI/099389/2008]
  4. Fundação para a Ciência e a Tecnologia [PTDC/QUI-QUI/099389/2008] Funding Source: FCT

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A stereoselective gold(I)-catalyzed intermolecular cyclopropanation of allenamides with stabilized sulfonium ylides is reported. This transformation enables the direct synthesis of diacceptor alkylidenecyclopropanes and proceeds under very mild conditions through allene activation.

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