Diverse Reactivity of an Al(I)-centred Anion Towards Ketones

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Abstract

The reactivity of a seven-membered cyclic potassium diamidoalumanyl toward a variety of ketone small molecules has been assessed. Whilst acetophenone generates an aluminium pinacolate derivative, reductive C-C coupling is induced between the ketyl and ortho-carbon centres of two equivalents of benzophenone. In contrast, whereas oxidative addition of an enolisable proton is observed with 2,4-dimethyl-3-pentanone, 2,2,4,4-tetramethyl-3-pentanone undergoes an unprecedented hydroalumination process, where the reducing hydride may be traced to intramolecular oxidative addition of a (sp3)C-H bond.
Original languageEnglish
Pages (from-to)6938-6941
Number of pages4
JournalChemical communications (Cambridge, England)
Volume58
Issue number49
Early online date24 May 2022
DOIs
Publication statusPublished - 24 May 2022

Bibliographical note

We thank the EPSRC (UK) for their generous support of this research (EP/R020752/1).

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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