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. 2018 Jun 12;54(48):6113-6116.
doi: 10.1039/c8cc02611d.

Non-aqueous neptunium and plutonium redox behaviour in THF - access to a rare Np(iii) synthetic precursor

Scott A Pattenaude  1 , Nickolas H Anderson, Suzanne C Bart, Andrew J Gaunt, Brian L Scott
Affiliations

Non-aqueous neptunium and plutonium redox behaviour in THF - access to a rare Np(iii) synthetic precursor

Scott A Pattenaude et al. Chem Commun (Camb). .

Abstract

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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