Self-assembly of a "cationic-cage" via the formation of Ag-carbene bonds followed by imine condensation

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 ox...

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Veröffentlicht in:	Chemical communications (Cambridge, England) England), 2019-05, Vol.55 (47), p.6711-6714
Hauptverfasser:	Modak, Ritwik, Mondal, Bijnaneswar, Howlader, Prodip, Mukherjee, Partha Sarathi
Format:	Artikel
Sprache:	eng
Schlagworte:	Aldehydes Cages Cations Condensation Crystallography Gold NMR Nuclear magnetic resonance Self-assembly Silver
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creator	Modak, Ritwik Mondal, Bijnaneswar Howlader, Prodip Mukherjee, Partha Sarathi
description	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 thus generates a 3D 'cationic-cage' (CC-Ag). Furthermore, post-synthetic replacement of the Ag(i) with Au(i) leading to the formation of CC-Au was achieved via trans-metalation, with the retention of the molecular architecture.
doi_str_mv	10.1039/c9cc02341k
format	Article
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source	Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection
subjects	Aldehydes Cages Cations Condensation Crystallography Gold NMR Nuclear magnetic resonance Self-assembly Silver
title	Self-assembly of a "cationic-cage" via the formation of Ag-carbene bonds followed by imine condensation
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