Anionic cyclopentadienyluranium(III) complexes |
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| Institution: | 1. Laboratoire de Chimie Physique, Université 8 Mai 1945, B.P.401, Guelma, Algeria;2. Laboratory of Physical Chemistry and Biological of Materials, Higher Normal School of Technological Education-Skikda, Azzaba, Skikda, Algeria;3. IBMM, CNRS, ENSCM, Université Montpellier, Montpellier F-34296, France;4. CNRS, Laboratoire de Synthèse et Physico-Chimie de Molécules d''Intérêt Biologique, SPCMIB, UMR 5068, 118, Route de Narbonne, Toulouse 31062 CEDEX 9, France;5. UPS, Laboratoire de Synthèse et Physico-Chimie de Molécules d''Intérêt Biologique, SPCMIB, UMR 5068, Université de Toulouse, 118, Route de Narbonne, Toulouse 31062 CEDEX 9, France |
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| Abstract: | The Na/Hg reduction of Cp3UX (X Me, n-Bu, BH4) and Cp2U(BH4)2 in the presence of 18-crown-6 ether has given the anionic uranium(III) complexes Cp3UX]Na(18-crown-6)] and Cp2U(BH4)2]Na(18-crown-6)]; in agreement with cyclic voltammetry experiments, the borohydride anions were found to be reoxidized by TlBH4 into the corresponding uranium(IV) complexes. |
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