Cyclopentadienyluranium(IV)complexes with a chiral metallic center : I. Characterization of a prochiral structure by PMR spectroscopy |
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| Authors: | A Dormond C Duval |
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| Institution: | Laboratoire de Synthèse et d''Electrosynthèse Organométallique associé au CNRS (LA 33), 6 Boulevard Gabriel, Université de Dijon, B.P. 138, 21004 Dijon Cédex France |
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| Abstract: | A range of compounds (C5H4R)3UCl (R alkyl) and the two tricyclopentadienyl compounds (C5H5)2(C5H4R)UCl and C5H5(C5H4R)2UCl, (R CH(CH3)2) have been isolated and characterized by PMR spectroscopy. For the last compound, the PMR data indicate a magnetic non-equivalence for the cyclopentadienyl protons and for the methyl groups of R; both are due to the prochirality of the uranium atom. |
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