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Self-assembly of a “Cationic-Cage” via formation of Ag-carbene bonds followed by imine condensation

Abstract

A new strategy for the synthesis of a “Cationic-Cage” (CC-Ag) has been developed via metal-carbene (M−CNHC) bond formation followed by imine bond condensation. Reaction of a trigonal trisimidazolium salt H3L(PF6)3 functionalized with three flexible N-phenyl-aldehyde pendants with silver oxide yielded a trinuclear tricationic organometallic cage (OC-Ag). Subsequent treatment of the organometallic cage (OC-Ag) with 1,4-diaminobutane links the two tris-NHC ligands via imine bond condensation, which thereby generates a 3D ‘cationic-cage’ (CC-Ag). Furthermore, post-synthetic replacement of the Ag(I) by Au(I) leading to the formation of CC-Au was achieved via trans-metalation with the retention of the molecular architecture.

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Publication details

The article was received on 26 Mar 2019, accepted on 14 May 2019 and first published on 14 May 2019


Article type: Communication
DOI: 10.1039/C9CC02341K
Chem. Commun., 2019, Accepted Manuscript

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    Self-assembly of a “Cationic-Cage” via formation of Ag-carbene bonds followed by imine condensation

    P. S. Mukherjee, R. Modak, P. Howlader and B. Mondal, Chem. Commun., 2019, Accepted Manuscript , DOI: 10.1039/C9CC02341K

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