Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands

Weber L, Lassahn U, Stammler H-G, Neumann B, Karaghiosoff K (2002)
European Journal of Inorganic Chemistry 2002(12): 3272-3277.

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Abstract
Reaction of the inversely polarized phosphaalkene HP=C(NMe2)(2) (1) with [AuCl(PPh3)] (2a) in a molar ratio of 2:1 in THF led to the formation of complex [Au{HP=C(NMe2)(2)}(2)]Cl (3) as a pale yellow solid. In contrast to this, treatment of 2a with two molar equivalents of tBuP=C(NMe2)(2) (4) afforded a mixture of [Au{P(tBu)=C(NMe2)(2)}(2)]Cl-+(-) (5) and [{(Me2N)(2)C=(tBu)PAu}(2)(g-Cl)]Cl-+(-) (6). In CH2Cl2 solution this mixture was slowly converted into the novel decanuclear complex [Au-8(AuCl)(2){mu(3)-P(tBu)}(2){mu-P(tBu)=C(NMe2)(2)}(6)](4+)(Cl-)(4) (7) featuring six edge-bridging phosphaalkene ligands and two mu(3)-tert-butylphosphanediide ligands. In solution the cluster 7 shows a high order P-31{H-1} NMR spectrum of the [AB(2)C](2) type. According to the X-ray structural analysis the Au-10 framework may be described as a slightly puckered ladder constructed of three quadrangles. The central Au-4 parallelogram is capped on both faces by a pair of [tBuPAuCl] units. (C) Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.
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Weber L, Lassahn U, Stammler H-G, Neumann B, Karaghiosoff K. Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands. European Journal of Inorganic Chemistry. 2002;2002(12):3272-3277.
Weber, L., Lassahn, U., Stammler, H. - G., Neumann, B., & Karaghiosoff, K. (2002). Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands. European Journal of Inorganic Chemistry, 2002(12), 3272-3277.
Weber, L., Lassahn, U., Stammler, H. - G., Neumann, B., and Karaghiosoff, K. (2002). Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands. European Journal of Inorganic Chemistry 2002, 3272-3277.
Weber, L., et al., 2002. Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands. European Journal of Inorganic Chemistry, 2002(12), p 3272-3277.
L. Weber, et al., “Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands”, European Journal of Inorganic Chemistry, vol. 2002, 2002, pp. 3272-3277.
Weber, L., Lassahn, U., Stammler, H.-G., Neumann, B., Karaghiosoff, K.: Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands. European Journal of Inorganic Chemistry. 2002, 3272-3277 (2002).
Weber, Lothar, Lassahn, Ulrich, Stammler, Hans-Georg, Neumann, Beate, and Karaghiosoff, Konstantin. “Synthesis and Structure of the Decanuclear Gold(I) Cluster Cation [Au8(AuCl)2{μ3-P(tBu)}2{μ-P(tBu)=C(NMe2)2}6]4+ with Bridging Phosphaalkene and Phosphanediide Ligands”. European Journal of Inorganic Chemistry 2002.12 (2002): 3272-3277.
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