Issue 20, 1992

Phospholyluranium complexes

Abstract

Reaction of U(BH4)4 with K[tmp](tmp = 2,3,4,5-tetramethylphospholyl) afforded the uranium(IV) complexes [U(tmp)(BH4)3] and [U(tmp)2(BH4)2]. Sodium amalgam reduction of these complexes in tetrahydrofuran gave the uranate(III) anions [U(tmp)(BH4)3] and [U(tmp)2(BH4)2] which were alternatively obtained by treating [U(C6H3Me3-1,3,5)(BH4)3] with K[tmp]. Similar reactions in toluene led to the formation of the neutral compound [{U(tmp)2(BH4)}2]. The fluxionality and the stability of the complexes are described.

Article information

Article type
Paper

J. Chem. Soc., Dalton Trans., 1992, 3047-3051

Phospholyluranium complexes

P. Gradoz, D. Baudry, M. Ephritikhine, F. Nief and F. Mathey, J. Chem. Soc., Dalton Trans., 1992, 3047 DOI: 10.1039/DT9920003047

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