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Open Access Publications from the University of California

Uranium(iii) and thorium(iv) alkyl complexes as potential starting materials.

  • Author(s): Behrle, Andrew C;
  • Myers, Alexander J;
  • Rungthanaphatsophon, Pokpong;
  • Lukens, Wayne W;
  • Barnes, Charles L;
  • Walensky, Justin R
  • et al.

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The synthesis and characterisation of a rare U(iii) alkyl complex, U[η4-Me2NC(H)C6H5]3, using the dimethylbenzylamine (DMBA) ligand has been accomplished. While attempting to prepare the U(iv) compound, reduction to the U(iii) complex occurred. In the analogous Th(iv) system, C-H bond activation of a methyl group of one dimethylamine was observed yielding Th[η4-Me2NC(H)C6H5]25-(CH2)MeNC(H)C6H5] with a dianionic DMBA ligand. The utility of these complexes as starting materials has been analyzed using a bulky dithiocarboxylate ligand to yield tetravalent actinide species.

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