Trans-metal-trapping: concealed crossover complexes en route to transmetallation?

Marina Uzelac, Robert E. Mulvey

Research output: Contribution to journalLiterature review

12 Citations (Scopus)
32 Downloads (Pure)

Abstract

Defined as the transfer of ligands from one metal to another, transmetallation is a common reaction in organometallic chemistry. Its chemical celebrity stems from its role in important catalytic cycles of cross-coupling reactions such as those of Negishi, Sonogashira, Stille, or Suzuki. This article focuses on trans-metal-trapping (TMT), which could be construed as partially complete transmetallations. On mixing two distinct organometallic compounds, of for example lithium with aluminium or gallium, the two metals meet in a crossover co-complex, but the reaction ceases at that point and full transmetallation is not reached. Though in its infancy, trans-metal-trapping shows promise in transforming failed lithiations into successful lithiations and in stabilising sensitive carbanions through cooperative bimetallic effects making them more amenable to onward reactivity.
Original languageEnglish
Pages (from-to)7786-7793
Number of pages8
JournalChemistry - A European Journal
Volume24
Issue number31
Early online date30 Apr 2018
DOIs
Publication statusPublished - 4 Jun 2018

Keywords

  • main group elements
  • metallation
  • organometallic chemistry
  • transmetallation
  • trans-metal-trapping

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