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(Ar–CO–C≡C)(PEt3)Au and (Ar–C≡C)(PEt3)Au complexes bearing pyrenyl and ferrocenyl groups: Synthesis, structure, and luminescence properties

Abstract

Two types of (acetylide)(triethylphosphine)gold(I) complexes ArCOC≡CAuPEt3 (1a and 1b) and ArC≡CAuPEt3 (2a and 2b) bearing Ar = pyren-1-yl or ferrocenyl group were synthesized and the effect of a carbonyl moiety on the structure, propensity to ligand scrambling in solution and luminescence properties were investigated. We found that complexes bearing acetylenic ketone-derived ligands underwent ligand scrambling in solution to afford mixtures of ArCOC≡CAuPEt3 and [(ArCOC≡C)2Au]-[Au(PEt3)2]+. The latter complexes were isolated and their structures confirmed by a single crystal X-ray diffraction studies. The aurophilic interaction of Au···Au in these complexes resulted in the formation of wire-like structures.

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Supplementary files

Publication details

The article was received on 19 Mar 2018, accepted on 10 Apr 2018 and first published on 12 Apr 2018


Article type: Paper
DOI: 10.1039/C8DT01061G
Citation: Dalton Trans., 2018, Accepted Manuscript
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    (Ar–CO–C≡C)(PEt3)Au and (Ar–C≡C)(PEt3)Au complexes bearing pyrenyl and ferrocenyl groups: Synthesis, structure, and luminescence properties

    M. Glodek, A. M. Makal, P. Paluch, M. Kadziolka-Gawel, Y. Kobayashi, J. Zakrzewski and D. Plazuk, Dalton Trans., 2018, Accepted Manuscript , DOI: 10.1039/C8DT01061G

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