Artikel,

Ambidentate ligand with high p-acceptor capacity: D6-metal complexes of 4,4'-bipyrimidine

, und .
Angewandte Chemie, 97 (5): 431--433 (1985)

Zusammenfassung

M(CO)5(THF) (M = Cr, Mo, W), Ru(bpy)2Cl2 (bpy = 2,2'-bipyridine), and RuCl2(DMSO)4 reacted with 4,4'-bipyrimidine (L) to give M(CO)4L, [Ru(bpy)2L](PF6)2, and [RuL3](PF6)2, resp. [W(CO)5]2L, that was prepd. from W(CO)5(THF) and L (2:1 ratio), under reflux was converted to W(CO)4L. The redox potentials are obtained for M(CO)4L, [Ru(bpy)2L](PF6)2, and [W(CO)5]2L. For [RuL3](PF6)2 the elec. potentials were obtained for the Ru3+/Ru2+, Ru2+/Ru+, Ru+/Ru0, and Ru0/Ru- couples. The complexes were characterized by IR, electronic, NMR, and ESR spectra. [on SciFinder(R)]

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