Synthesis and reactivity of a terminal uranium(iv) sulfide supported by siloxide ligands.

ABSTRACT: The reactions of the tetrasiloxide U(iii) complexes [U(OSi(O ^t Bu)₃)₄K] and [U(OSi(O ^t Bu)₃)₄][K18c6] with 0.5 equiv. of triphenylphosphine sulfide led to reductive S-transfer reactions, affording the U(iv) sulfide complexes [SU(OSi(O ^t Bu)₃)₄K₂]₂, 1, and [{SU(OSi(O ^t Bu)₃)₄K₂}₂(μ-18c6)], 2, with concomitant formation of the U(iv) complex [U(OSi(O ^t Bu)₃)₄]. Addition of 1 equiv. of 2.2.2-cryptand to complex 1 resulted in the isolation of a terminal sulfide complex, [SU(OSi(O ^t Bu)₃)₄K][Kcry

SUBMITTER: Andrez J 

PROVIDER: S-EPMC6024242 | biostudies-literature | 2016 Sep

REPOSITORIES: biostudies-literature