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Título

Donor behaviour of anionic and asymmetric phosphanido derivatives of platinum and palladium

AutorArias, Andersson ; Forniés, Juan ; Fortuño, Consuelo ; Martín, Antonio ; Mastrorilli, Piero; Gallo, Vito; Latronico, Mario; Todisco, Stefano
Palabras clavePlatinum
Structure elucidation
Palladium
P li­gands
Metal–metal interactions
Fecha de publicación2014
EditorWiley-VCH
CitaciónEuropean Journal of Inorganic Chemistry 10: 1679-1693 (2014)
ResumenThe reactions of [Ag(OClO3)(PPh3)] with [NBu 4][(C6F5)2Pt(μ-PPh 2)2M(hq)], [NBu4][(C6F 5)2Pt(μ-PPh2)2M(bq)], [NBu 4][(C6F5)2Pt(μ-PPh 2)2M(pic)] and [NBu4][(C6F 5)2Pt(μ-PPh2)2Pt(C 6F5)(tht)] (M = Pt, Pd; hq = 8-hydroxyquinolinate, bq = benzoquinolinate, pic = picolinate, tht = tetrahydrothiophene) afford the corresponding neutral adducts [(C6F5)2Pt(μ- PPh2)2(μ-AgPPh3)M(bq)] (M = Pt, 1; Pd, 2), [(C6F5)2Pt(μ-PPh2) 2(μ-AgPPh3)M(hq)] (M = Pt, 3; Pd, 4) [(C 6F5)2Pt(μ-PPh2) 2(μ-AgPPh3)Pt(C6F5)(tht)] (5) and [(C6F5)2Pt(μ-PPh2) 2M(pic-AgPPh3)] (M = Pt, 6; Pd, 7) as yellow solids. The XRD structures of 1-5, in which a [AgPPh3]+ moiety bridges the metal centres, were confirmed in solution at low temperature. At room temperature, a dynamic process for the [AgPPh3]+ moiety, which passes from the top to the bottom part of the molecules 1-5, was ascertained. For 6 and 7, the XRD analyses revealed structures in which the [AgPPh3]+ moiety is linked to the picolinate oxygen atom bonded to the M centre; however, although such a structure was confirmed in solution for the Pt-Pd species 7, the stable form of the Pt-Pt species 6 in solution is that with the [AgPPh3]+ moiety bridging the metal centres. Copyright © 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
URIhttp://hdl.handle.net/10261/111776
DOI10.1002/ejic.201300808
Identificadoresdoi: 10.1002/ejic.201300808
issn: 1434-1948
e-issn: 1099-0682
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