Synthesis, characterization and luminescence studies of gold(I)-NHC amide complexes

Adrián Gómez-Suárez, David J. Nelson, David G. Thompson, David B. Cordes, Duncan Graham, Alexandra M.Z. Slawin, Steven P. Nolan

Research output: Contribution to journalArticlepeer-review

28 Citations (Scopus)

Abstract

A flexible, efficient and straightforward methodology for the synthesis of N-heterocyclic carbene gold(I)-amide complexes is reported. Reaction of the versatile building block [Au(OH)(IPr)] (1) (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) with a series of commercially available (hetero)aromatic amines leads to the synthesis of several [Au(NRR')(IPr)] complexes in good yields and with water as the sole byproduct. Interestingly, these complexes present luminescence properties. UV-vis and fluorescence measurements have allowed the identification of their excitation and emission wavelengths (lambda(max)). These studies revealed that by selecting the appropriate amine ligand the emission can be easily tuned to achieve a variety of colors, from violet to green.
Original languageEnglish
Pages (from-to)2216-2223
Number of pages8
JournalBeilstein Journal of Organic Chemistry
Volume9
DOIs
Publication statusPublished - 28 Oct 2013
Externally publishedYes

Keywords

  • fluorescence
  • gold
  • gold catalysis
  • N-heterocyclic carbenes
  • synthesis

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