Facile halide replacement in electron rich complexes |
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Authors: | P.M. Treichel H.J. Mueh |
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Affiliation: | Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706 U.S.A. |
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Abstract: | Reactions of MnL5X or Mn(CO)L4X compounds (L = several aryl isocyanides, X = halide) with AgPF6 give [MnL6]PF6 or [Mn(CO)L5]PF6 respectively. These reactions are presumed to occur with initial halide extraction to give an intermediate solvated species [MnL5solv]+ or [Mn(CO)L4solv]+ which can subsequently decompose or scavenge free L from solution to give the products observed. Addition of an alternative potential ligand L′ allows preparation of mixed ligand species [MnL5L′]PF6 or [Mn(CO)L4L'‵PF6 (L = MeNC, tBuNC, py). Cyclic voltammetric studies on the various complexes have been carried out, and results correlated with infrared data and with theory. |
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