Mechanistic Studies on the Reductive Cyclooligomerisation of CO by U(III) Mixed Sandwich Complexes; the Molecular Structure of [(U(η-C8H6{SiiPr3-1,4}2)(η-Cp*)]2(μ-η1:η1-C2O2)

Frey, Alistair S, Cloke, F Geoffrey N, Hitchcock, Peter B, Day, Iain J, Green, Jennifer C and Aitken, Georgina (2008) Mechanistic Studies on the Reductive Cyclooligomerisation of CO by U(III) Mixed Sandwich Complexes; the Molecular Structure of [(U(η-C8H6{SiiPr3-1,4}2)(η-Cp*)]2(μ-η1:η1-C2O2). Journal of the American Chemical Society, 130 (42). pp. 13816-13817. ISSN 1520-5126

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Abstract

The stoichiometric reaction of 1 equiv of CO with [(U(η-C8H6{SiiPr3-1,4}2)(η-Cp*)] affords the linear diuranium ynediolate complex [(U(η-C8H6{SiiPr3-1,4}2)(η-Cp*)]2(μ-η1:η1-C2O2) which does not react with further CO to give the deltate derivative [(U(η-C8H6{SiiPr3-1,4}2)(η-Cp*)]2(μ-η1:η2-C3O3). Spectroscopic and computational studies suggest a plausible mechanism for the formation of the deltate complex, in which a “zig-zag” diuranium ynediolate species is the key intermediate.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Subjects: Q Science
Depositing User: Alistair Frey
Date Deposited: 06 Feb 2012 20:15
Last Modified: 16 Oct 2012 07:55
URI: http://sro.sussex.ac.uk/id/eprint/24991
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