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Creators/Authors contains: "Weisburg, Jeffrey H"

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  1. ; ; ; ; ; ; ; (, Inorganica Chimica Acta)
    A set of six carboxylate-stabilized rhenium(I) tricarbonyl complexes supported by a 2,2’-bipyridine (bpy) ligand, Re(O2CR)(CO)3(bpy) (R = H, CH3, CHF2, R- or S CHBrCH(CH3)2, and C5H11), were prepared by acidolysis of the complex Re(OCO2C5H11)(CO)3(bpy) with the appropriate carboxylic acid and characterized by 1H and 13C-{1H} NMR and IR spectroscopy. The crystal structure of the complex, Re[R-O2CCHBrCH(CH3)2](CO)3(bpy), was determined by X-ray crystallography. Cytotoxicity results correlate positively with the Kb value of the carboxylate ligand. Apparently, the more substitutionally inert the carboxylate-stabilized complex is in a chloride-rich environment (similar to extracellular fluid) the greater the amount of cytotoxic [Re(CO)3(bpy)(H2O)]+ that forms in the cytosol. 
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