One-pot and selective synthesis of a series of [RuCl6−2nLn] (L=bidentate ligand, n=0−3) types of complexes with polypyridyl ligands; another example of the synthetic utility of ‘ruthenium-blue’ solution
Convenient (one-pot) and selective syntheses of a series of ruthenium complexes with polypyridyl ligands, [RuL3]2+, cis-[RuCl2L2]+ and [RuCl4L]- (L=bpy, phen or Hdpa (di-2,2-dipyridylamine)), including [RuCl6]3-, have been reported as further examples of the synthetic utility of 'ruthenium-blue' solution. The methods developed here are also useful for synthesizing selectively such pair complexes as [Ru(III)Cl3(terpy)]-[Ru(II)(terpy)2]2+ and [Ru-(III)Cl4py2]--[Ru(II)Cl2py4].
The reaction of the [RuCl2(PPh3)(3)] complex with picolines has been examined. New ruthenium(II) complexes - [RuCl2(C6H7N)(4)] have been obtained and characterized by IR, H-1 NMR and UV-Vis measurements. The crystal structure of the [RuCl2(beta-pic)(4)] complex has been determined. The electronic spectra of the complexes have been calculated by the TDDFT method. (c) 2005 Elsevier Ltd. All rights reserved.