Spirocyclic, macrocyclic and ladder complexes of coinage metals and mercury with dichalcogeno P 2 N 2 -supported anions

Metathetical reactions of alkali–metal derivatives of the dianion [ t BuN(Se)P(μ-N t Bu) 2 P(Se)N t Bu] 2− ( 2Se 2− ) with Ag(NHC)Cl, Ag[BF 4 ], AuCl(THT) and HgCl 2 , as well as the reaction of 2S 2− with AuCl(THT) were investigated. The observed products all incorporate the monoprotonated ligands...

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Published in:Dalton transactions : an international journal of inorganic chemistry 2015, Vol.44 (12), p.5338-5346
Main Authors: Nordheider, Andreas, Hüll, Katharina, Athukorala Arachchige, Kasun S., Slawin, Alexandra M. Z., Woollins, J. Derek, Thirumoorthi, Ramalingam, Chivers, Tristram
Format: Article
Language:English
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Summary:Metathetical reactions of alkali–metal derivatives of the dianion [ t BuN(Se)P(μ-N t Bu) 2 P(Se)N t Bu] 2− ( 2Se 2− ) with Ag(NHC)Cl, Ag[BF 4 ], AuCl(THT) and HgCl 2 , as well as the reaction of 2S 2− with AuCl(THT) were investigated. The observed products all incorporate the monoprotonated ligands 2Se H − or 2S H − in a variety of structural arrangements around the metal centres, including tetrameric and trimeric macrocycles [Ag and Au (E = Se)], a ladder (Au, E = S) and a spirocycle (Hg); the ladder contains both the dianion 2S 2− and the monoanion 2S H − as ligands linking three Au 2 units. All complexes have been characterised in the solid state by single crystal X-ray analyses and in solution by multinuclear ( 1 H, 31 P and 77 Se) NMR spectra.
ISSN:1477-9226
1477-9234
DOI:10.1039/C5DT00159E