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Issue 19, 2018
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(Ar–CO–C[triple bond, length as m-dash]C)(PEt3)Au and (Ar–C[triple bond, length as m-dash]C)(PEt3)Au complexes bearing pyrenyl and ferrocenyl groups: synthesis, structure, and luminescence properties

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Abstract

Two types of (acetylide)(triethylphosphine)gold(I) complexes ArCOC[triple bond, length as m-dash]CAuPEt3 (1a and 1b) and ArC[triple bond, length as m-dash]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 the complexes bearing acetylenic ketone-derived ligands underwent ligand scrambling in solution to afford mixtures of ArCOC[triple bond, length as m-dash]CAuPEt3 and [(ArCOC[triple bond, length as m-dash]C)2Au][Au(PEt3)2]+. The latter complexes were isolated and their structures were confirmed by single crystal X-ray diffraction studies. The aurophilic interaction of Au⋯Au in these complexes resulted in the formation of wire-like structures.

Graphical abstract: (Ar–CO–C [[triple bond, length as m-dash]] C)(PEt3)Au and (Ar–C [[triple bond, length as m-dash]] C)(PEt3)Au complexes bearing pyrenyl and ferrocenyl groups: synthesis, structure, and luminescence properties

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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., 2018,47, 6702-6712
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    (Ar–CO–C[triple bond, length as m-dash]C)(PEt3)Au and (Ar–C[triple bond, length as m-dash]C)(PEt3)Au complexes bearing pyrenyl and ferrocenyl groups: synthesis, structure, and luminescence properties

    M. Głodek, A. Makal, P. Paluch, M. Kadziołka-Gaweł, Y. Kobayashi, J. Zakrzewski and D. Plażuk, Dalton Trans., 2018, 47, 6702
    DOI: 10.1039/C8DT01061G

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