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Issue 41, 2017
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Assembly of high-symmetry silver(I) alkyl-1,3-diynyl cluster complexes via core transformation

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Abstract

New tetranuclear supramolecular precursors [(R–C[triple bond, length as m-dash]C–C[triple bond, length as m-dash]C)Ag(PPh3)]4 (R = iPr and chx) are employed to construct three polynuclear silver(I) alkyl-1,3-diynyl cluster complexes (1–3) that bear the same novel trigonal bipyramidal Ag5 core consolidated by silver–ethynide and argentophilic interactions. The present results strongly suggest that the assembly of high-symmetry medium-nuclearity clusters 1–3 is initiated by the accretion of additional Ag(I) ions by the Ag4 template of the precursors through argentophilic (<3.4 Å) interaction, and demonstrate that core transformation is an effective synthetic route to high-symmetry metal clusters.

Graphical abstract: Assembly of high-symmetry silver(i) alkyl-1,3-diynyl cluster complexes via core transformation

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Publication details

The article was received on 13 Sep 2017, accepted on 28 Sep 2017 and first published on 29 Sep 2017


Article type: Communication
DOI: 10.1039/C7DT03406G
Citation: Dalton Trans., 2017,46, 14098-14101
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    Assembly of high-symmetry silver(I) alkyl-1,3-diynyl cluster complexes via core transformation

    S. C. K. Hau and T. C. W. Mak, Dalton Trans., 2017, 46, 14098
    DOI: 10.1039/C7DT03406G

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