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Novel μ-η2:η2 coordination of a thiophenium cation

Abstract : Depending on the substituent (Tol or CF3) withdrawing power, reactions of the alkyne RCCH with the bis(acetonitrile) compound [Mo2(C5H5)2(μ-SCH 3)3-(CH3CN)2](BF4) (1) gave either the flyover metallacycle complex 4 or the thiophenium derivative 3. In 3 the thiophenium ligand shows a new μ-η2:η2 mode of coordination. A single-crystal structure of 3, the first complex with binding of thiophenium to a binuclear site, was obtained.
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Submitted on : Thursday, April 19, 2018 - 2:49:39 PM
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  • HAL Id : hal-01771397, version 1



J.-F. Capon, Philippe P. Schollhammer, François Pétillon, J. Talarmin, K.W. Muir. Novel μ-η2:η2 coordination of a thiophenium cation. Organometallics, 1999, 18, pp.2055--2057. ⟨hal-01771397⟩



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