RT info:eu-repo/semantics/article
T1 Aryl-imido niobium complexes with chloro-silyl and aryl-η-amidosilyl cyclopentadienyl ligands: X-ray structure of the constrained-geometry compound [Nb(η5-C5H4SiMe2-η1-NAr)(NAr)Cl](Ar=2,6-Me2C6H3)
A1 Arteaga Müller, Rocío Alejandra
A1 Sánchez-Nieves Fernández, Javier
A1 Royo Gracia, Pascual
A1 González Mosquera, Marta Elena
K1 Niobium
K1 Constrained-geometry
K1 Half-sandwich
K1 Imido
K1 Hydrolysis
K1 Ciencia
K1 Química inorgánica
K1 Science
K1 Chemistry, inorganic
AB Reactions of the magnesium imides [Mg(NAr)(THF)]6 (Ar = 2,6-Me2C6H3, 1a; Ph, 1b) with [NbCpClCl4] (CpCl = η5-C5H4(SiMe2Cl)) afforded the imido complexes [NbCpClCl2(NAr)] (Ar = 2,6-Me2C6H3, 2a; Ph, 2b) in good yield. Compound 2a reacted with excess LiNH(2,6-Me2C6H3) to give the silyl-η-amido complex [Nb(η5-C5H4SiMe2-η1-NAr)Cl(NAr)] (Ar = 2,6-Me2C6H3, 3a). Hydrolysis of the Si–Cl bond of compounds 2a and 2b yielded the dinuclear complexes [{NbCl2(NAr)}2{(η5-C5H4SiMe2)2(μ-O)}] (Ar = 2,6-Me2C6H3, 4a; Ph, 4b), respectively. All of the new compounds reported were characterized by NMR spectroscopy and the molecular structure of 3a was determined by X-ray diffraction methods.
PB Elsevier
SN 0277-5387
YR 2005
FD 2005
LK http://hdl.handle.net/10017/4173
UL http://hdl.handle.net/10017/4173
LA eng
NO We gratefully acknowledge the Ministerio de Educación y Ciencia (Project MAT2004-02614) andDGUI-Comunidad de Madrid (Project GR/MAT/0622/2004) (Spain) for financial support. R.A.-M. acknowledges MCyT for a fellowship
DS MINDS@UW
RD 26-abr-2024