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    Reactivity studies of eta sup (6)-p-cymene ruthenium(II) carboxylato complexes towards azide some neutral ligands

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    J_Indian_Chem_Soc_88_497a.pdf (191.1Kb)
    Date
    2011
    Author
    Singh, K.S.
    Kollipara, M.R.
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    Abstract
    Mono and di-nuclear eta sup (6)-p-cymene ruthenium(II) complexes containing carboxylato ligand of formulation [(eta sup (6)-p-cymene)Ru(pa)Cl] and [{(eta sup (6)-p-cymene)RuCl}2 (mu-LL)] [where, pa = O sub (2)CC sub (6)H sub (4)-p-OMe (1), LL = C sub (2)O sub (4)(7) or C sub (2)CH sub (2)O sub (4)(10)] have been prepared by the reaction of [(p-cymene)RuCl sub (2)]sub (2) with the corresponding sodium salts of the carboxylic acids. Treatment of (eta sup (6)-p-cymene) ruthenium(II) carboxylato complexes with NaN sub (3) yielded azido complex [{(eta sup (6)-p-cymene)Ru(mu-N sub (3))Cl} sub (2)] whereas halide scavengers such as silver acetate, silvertrifluroacetate leads to the substitution of chlorine to give neutral complexes of formulation [{(eta sup (6)-p-cymene)RuY} sub (2)(mu-LL)](where, LL = bidentate carboxylate, Y = MeCO sub (2) or CF sub (3)CO sub (2)). Mono and di-cationic complexes were also been prepared by the treatment of complex 1 with the corresponding neutral ligands in the presence of AgBF sub (4). The complexes were fully characterized on the basis of microanalysis, FT-IR and NMR spectroscopic data
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    http://drs.nio.org/drs/handle/2264/3883
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