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Max M Hansmann1

  • 1Technische Universität Dortmund, Fakultät für Chemie und Chemische Biologie, Otto-Hahn-Str. 6, 44227, Dortmund, Germany.

Angewandte Chemie (International Ed. in English)
|February 27, 2023
PubMed
Summary

Researchers synthesized valuable ketenyl anions using a novel method involving triphenylphosphine and carbon monoxide. The resulting metal ketenyl/ynolate compounds were structurally characterized and demonstrated utility as reagents in organic synthesis.

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Area of Science:

  • Organometallic Chemistry
  • Organic Synthesis

Background:

  • Metalated ylides are versatile synthetic intermediates.
  • Ketenyl anions are important building blocks in organic chemistry.

Purpose of the Study:

  • To report the synthesis of ketenyl anions via triphenylphosphine/carbon monoxide exchange.
  • To characterize the metal ketenyl/ynolate intermediate.
  • To demonstrate the utility of these anions in organic synthesis.

Main Methods:

  • Reaction of metalated ylides with carbon monoxide.
  • Triphenylphosphine extrusion.
  • Structural characterization of the metal ketenyl/ynolate.
  • Application as a synthetic reagent.

Main Results:

  • Successful synthesis of valuable ketenyl anions.
  • Structural confirmation of the metal ketenyl/ynolate intermediate.
  • Demonstrated reactivity of the ketenyl anion in organic transformations.

Conclusions:

  • The developed method provides efficient access to ketenyl anions.
  • Metal ketenyl/enolates are valuable and versatile reagents in organic synthesis.
Keywords:
KetenesKetenyl AnionsLigand ExchangeMain-Group ChemistryYlides

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