Reactions of methylniobium(V) and methyltantalum(V) chlorides with carbodiimides |
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| Authors: | John D Wilkins |
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| Institution: | Donnan Laboratories, University of Liverpool, Liverpool L69 3BX Great Britain |
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| Abstract: | The chlorides MexMCl5-x, M = Nb, Ta, x = 1, 2, 3 react with carbodiimides RNCNR (R = isopropyl, cyclohexyl, p-tolyl) to give products of the types MCl4NR-C(Me)=NR], MeMCl3NR-C(Me)=NR], MCl3NR-C(Me)=NR]2, Me2MCl2NR-C(Me)=NR], MeMCl2NR-C(Me)=NR]2, which cóntain bidentate acetamidine groups arising from insertion of the carbodiimide into the metal-carbon bond. The products have been characterised by elemental analysis IR and proton NMR spectra. |
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