Non-aqueous neptunium and plutonium redox behaviour in THF – access to a rare Np(iii) synthetic precursor
Literature Information
Nickolas H. Anderson, Suzanne C. Bart, Andrew J. Gaunt, Brian L. Scott
Solvent exchange of NpCl4(DME)2 with THF proceeds simply to yield NpCl4(THF)3, whereas PuCl4(DME)2 is unstable in THF, partially decomposing to the mixed valent [PuIIICl2(THF)5][PuIVCl5(THF)] salt. Reduction of NpCl4(THF)3 with CsC8 ultimately afforded NpCl3(py)4, the only example of a structurally characterized solvated Np(III) halide. The method demonstrates a route to a well-defined Np(III) starting material without the need to employ scarcely available Np metal.
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Chemical Communications

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