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From Diphosphane to Diphosphodiide Gold(III) Derivatives of 1,2-Diphosphinobenzene

AuthorsBlanco, M. Carmen ; Fernández, Eduardo J.; Olmos, M. Elena; Pérez, Javier; Laguna, Antonio
Phosphane ligands
Issue Date10-Feb-2006
PublisherJohn Wiley & Sons
CitationChemistry - A European Journal 12(12): 3379 - 3388 (2006)
AbstractTreatment of 1,2-diphosphinobenzene with [Au(C6F5)3(tht)] leads to the diphosphane derivative [{Au(C6F5)3}(1,2-PH2C6H4PH2)] (1), which further reacts with other pentafluorophenylgold(III) reagents in the presence of acetylacetonate as deprotonating agent to afford phosphane-phosphide complexes. The noncyclic PPN[{Au(C6F5)3}2(1,2-PHC6H4PH2)] (2; PPN=bis(triphenylphosphine)iminium) has been shown to be a useful starting material for the synthesis of higher nuclearity cyclic or noncyclic diphosphide or even diphosphodiide derivatives through similar reactions. The crystal structures of the trinuclear anionic NBu4[{Au(C6F5)3}(1,2-PHC6H4PH){Au(C6F5)2Cl}{-Au(C6F5)2}] (3) and the hexanuclear [{Au(C6F5)3}(1,2-PC6H4P){Au(C6F5)3}{-M(dppe)M}2] (M=Au (12), Ag (13)) have been established by X-ray diffraction methods, the last complexes having a bicyclic ring containing three intramolecular interactions between the MI centres.
Description10 pages, 2 figures, 4 tables.
Publisher version (URL)http://dx.doi.org/10.1002/chem.200501438
Appears in Collections:(ICMA) Artículos
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