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Issue 12, 2005
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Oxidation reactions of an anionic gallium(I) N-heterocyclic carbene analogue with group 16 compounds

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Abstract

The reactivity of an anionic gallium(I) heterocycle, [K(tmeda)][:Ga{[N(Ar)C(H)]2}], Ar = C6H3Pri2-2,6, towards sources of elemental chalcogens and diorgano-dichalcogenides has been investigated and comparisons drawn with the reactivity of the valence isoelectronic N-heterocyclic carbene class of ligand. The reactions of the heterocycle with N2O or (Te)PEt3 yielded the dimeric, dianionic gallium(III) complexes, [K(L)]2[(µ-E)Ga{[N(Ar)C(H)]2}]2, E = O, L = tmeda; E = Te, L = THF. Treatment of [K(tmeda)][:Ga{[N(Ar)C(H)]2}] with the diphenyl dichalcogenides, PhEEPh, E = Se or Te, gave the one dimensional polymer, [K[(PhSe)2Ga{[N(Ar)C(H)]2}]] and the monomeric complex, [K(OEt2)3][(PhTe)2Ga{[N(Ar)C(H)]2}], respectively. The X-ray crystal structures of the four complexes are reported.

Graphical abstract: Oxidation reactions of an anionic gallium(i) N-heterocyclic carbene analogue with group 16 compounds

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Publication details

The article was received on 12 Apr 2005, accepted on 11 May 2005 and first published on 23 May 2005


Article type: Paper
DOI: 10.1039/B505085E
Citation: Dalton Trans., 2005,0, 2106-2110

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    Oxidation reactions of an anionic gallium(I) N-heterocyclic carbene analogue with group 16 compounds

    R. J. Baker, C. Jones and M. Kloth, Dalton Trans., 2005, 0, 2106
    DOI: 10.1039/B505085E

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