Synthesis of gold(I)-trifluoromethyl complexes and their role in generating spectroscopic evidence for a gold(I)-difluorocarbene species.

Steven Patrick Nolan, Sofie M P Vanden Broeck, David J Nelson, Alba Collado, Laura Falivene, Luigi Cavallo, David B Cordes, Alexandra M Z Slawin, Kristof Van Hecke, Fady Nahra, Catherine S J Cazin

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Readily-prepared and bench-stable [Au(CF 3 )(NHC)] compounds were synthesized using new methodologies, starting from [Au(OH)(NHC)], [Au(Cl)(NHC)] or [Au(L)(NHC)]HF 2 precursors (NHC = N-heterocyclic carbene). The mechanism of formation of these species was investigated. Consequently, a new and straightforward strategy for the mild and selective cleavage of a single carbon-fluorine bond from [Au(CF 3 )(NHC)] complexes was attempted and found to be reversible in the presence of an additional nucleophilic fluoride source. This straightforward technique has led to the unprecedented spectroscopic observation of a gold(I)-NHC difluorocarbene species.
Original languageEnglish (US)
JournalChemistry (Weinheim an der Bergstrasse, Germany)
DOIs
StatePublished - Apr 6 2021

ASJC Scopus subject areas

  • Chemistry(all)

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