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Coordination properties of the 1,1′-bis[((6-methyl)-2-pyridyl)amido] ferrocene ligand towards group 11 complexes

AutorAguado, Javier E.; Crespo, Olga ; Gimeno, M. Concepción ; Jones, Peter G.; Laguna, Antonio ; Villacampa, M. Dolores
Fecha de publicación2010
EditorRoyal Society of Chemistry (Great Britain)
CitaciónDalton Transactions 39(18): 4321-4330 (2010)
ResumenThe coordination properties of the 1,1′-bis[((6-methyl)-2-pyridyl)amido]ferrocene ligand (L) towards group 11 and palladium complexes have been studied. L coordinates as the bridging ligand, through the pyridinic nitrogen atoms, when reacting with the gold(I) compounds [Au(OTf)(PPh3)] and [Au(C6F5)(tht)] or with the gold(III) species [Au(C6F5)3(tht)] leading to linear or square planar derivatives, respectively. The reaction of L with [O(AuPPh3)3]ClO4 affords the tetranuclear compound [Au4(L-H)2(PPh3)4](ClO4)2 in which the amide groups have been deprotonated and the ligand acts as dianionic, N,N,N,N-tetradentate. The treatment of the ligand L with silver salts leads to mononuclear complexes with the ligand acting as N,N,O or N,N chelating in [AgL]OTf, or [AgL2]OTf, or to dinuclear species with an N,N bridging ligand in [Ag2(PPh3)2(μ-L)](OTf)2. Tetracoordination around the copper atom is proposed for the copper complexes [CuL(PPh3)2]PF6, [CuL]PF6, or [CuL2]PF6 with the ligand coordinated in an NH,NH,N,N or an N,N chelating fashion. Finally the palladium compound [PtCl2L] has been synthesized with a trans-chelating ligand. In the structures of some of these derivatives the presence of secondary interactions such as weak hydrogen bonds of the type C–H***O, C–H***N or C–H***X (X = F, Cl) or even MO interactions leads to supramolecular networks.
URIhttp://hdl.handle.net/10261/52542
DOI10.1039/B927208A
Identificadoresdoi: 10.1039/B927208A
issn: 1477-9226
e-issn: 1477-9234
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