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Luminescent NHC gold complexes from propargyl functionalized imidazolium salts
|Authors:||Johnson, Alice; Gimeno, M. Concepción CSIC ORCID||Issue Date:||2015||Citation:||XII Simposio de Investigadores Jóvenes RSEQ Sigma-Aldrich (2015)||Abstract:||Allenyl-gold complexes derived from propargyl functionalised phosphonium salts are a novel class of organometallic compounds which were recently found to be stable and isolable, displaying an interesting regioselectivity. N‐heterocyclic carbene (NHC) complexes of gold have attracted a lot of attention due to their diverse catalytic, biological, medicinal and optical properties. Incorporation of the propargyl fragment into imidazolium salts allows the formation of a series of NHC precursors which also have the capability to form allenyl complexes giving rise to the formation of polynuclear complexes with enhanced optical and biological properties. A series of propargyl functionalised mono and bis‐imidazolium salts have been prepared and from these the corresponding NHC gold complexes have been prepared and characterised. A new method for the preparation of NHC-AuCl complexes using acetylacetonate precursors has been developed. Studies of the reactivity of the complexes in both the central carbene functionality and the propargyl side arms together with the emissive and biological properties of the complexes have been carried out.||Description:||Resumen del trabajo presentado al XII Simposio de Investigadores Jóvenes de la Real Sociedad Española de Química Sigma-Aldrich, celebrado en Barcelona del 3 al 6 de noviembre de 2015.||URI:||http://hdl.handle.net/10261/155937|
|Appears in Collections:||(ISQCH) Comunicaciones congresos|
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