The synthesis of a novel heterobimetallic amidotungsten-antimony complex

Reference:

Choujaa, H., Johnson, A., Kociok-Kohn, G. and Molloy, K. C., 2010. The synthesis of a novel heterobimetallic amidotungsten-antimony complex. Polyhedron, 29 (6), pp. 1607-1611.

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Official URL:

http://dx.doi.org/10.1016/j.poly.2010.01.033

Abstract

Reaction of Li-2[W(NBut)(4)] with two equivalents of SbCl3 at -78 degrees C yields orange-red crystals of the novel heterobimetallic Sb2W(NBut)(mu(2)-NBut)(mu(3)-NBut)(2)Cl-3(mu(2)-Cl) (1) in low yield (25%). From a 1:4 reaction stoichiometry, in addition to 1 crystals of [W(NBu2t)(H2NBut)Cl-2](2). trans-[Sb(Cl)(mu-NBut)](2) (2), [W(NBu2t)(H2NBut)Cl-2](2)center dot SbCl3 (4), Sb2W3Cl7(mu(2)-O)(mu 3-O)(2)(NBu2r)(3)(NHBut)(mu(2)-NBut)(2) (3) and Sb2W(NBut)(mu(2)-NBut)(mu(3)-NBut)(2)Cl-3(mu(2)-Cl). Sb2W3Cl7(mu(2)-O)(mu(3)-O)(2)(NBut)(3)(NHBut)(mu(2)-NBut)(2) (5) have been characterised.

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