Abstract
A series of Ru2Cl(μ-O2CR)4 [R = C2H5 (I), cyclo-C6H11 (II), C6H5 (III), o-ClC6H4 (IV), o-HOC6H4 (V)] complexes has been synthesized by reaction of Ru2Cl(μ-O2CCH3)4 with the appropriate carboxylic acid. The reaction of these insoluble compounds with AgBF4 in thf gives [Ru2(μ-O2CR)4(thf)2]BF4 (VI)-(X) which are soluble in polar organic solvents. The substitution in these complexes of the thf axial ligands in toluene by OPPh3 or pyridine leads to new adducts of the type [Ru2(μ-O2CR)4L2]BF4 [L = OPPh3 (XI)-(XV), L = py (XVI)-(XIX)] which are not easily accessible by other methods. The compounds have been characterized by elemental analysis, electrical conductance, magnetic susceptibility measurements and spectral data.
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