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Synthesis, Molecular Structure and Derivatization of the Triruthenacarborane Cluster Compound [1-SMe2-2,2-(CO)2-7,11-(Μ-H)2-2,7,11-{Ru2(CO)6}-closo-2,1-RuCB10H8]*

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In toluene at reflux temperatures [Ru3(CO)12] and 7-SMe2-nido-7-CB10H12 give the charge-compensated cluster complex [1-SMe2-2,2-(CO)2-7,11-(μ-H)2-2,7,11-Ru2(CO)6-closo-2,1-RuCB10H8] (1) . Treatment of 1 with dppm in THF affords [1-SMe2-2,2-(CO)2-7,11-(μ-H)2-2,7,11-Ru2(μ -dppm)(CO)4-closo-2,1-RuCB10H8] (2) [dppm  = bis(diphenylphosphino)methane; THF  = tetrahydrofuran]. The latter complex on heating in THF with [\({\hbox{NBu}^{n}}_{4}\)]F yields the salt [\({\hbox{NBu}^{n}}_{4}\)][1-SMe-2,2-(CO)2-7,11-(μ-H)2-2,7,11-Ru2(μ -dppm)(CO)4-closo-2,1-RuCB10H8] (3). Reaction of 3 with [AuCl(PPh3)] and Tl[PF6] gives the neutral zwitterionic complex [1-S(Me)Au (PPh3)-2,2-(CO)2-7,11-(μ-H)2-2,7,11-Ru2(μ-dppm)(CO)4-closo-2,1-RuCB10H8] (4). The structures of 1, 3 and 4 were determined by single-crystal X-ray diffraction studies.

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Acknowledgements

We thank the Robert A. Welch Foundation for support (Grant AA-1201). The Bruker-Nonius X8 APEX diffractometer was purchased with funds received from the National Science Foundation Major Research Instrumentation Program (Grant CHE-0321214).

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  1. Department of Chemistry and Biochemistry, Baylor University, Waco, Texas, 76798-7348, USA

    Thomas D. McGrath, F. Gordon A. Stone & Kengkaj Sukcharoenphon

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  1. Thomas D. McGrath
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  2. F. Gordon A. Stone
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  3. Kengkaj Sukcharoenphon
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Correspondence to F. Gordon A. Stone.

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*Dedicated to Professor F. Albert Cotton on the occasion of his 75th birthday, in appreciation of our long friendship and in recognition of his outstanding contributions to the study of complexes with metal–metal bonds.

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McGrath, T.D., Stone, F.G.A. & Sukcharoenphon, K. Synthesis, Molecular Structure and Derivatization of the Triruthenacarborane Cluster Compound [1-SMe2-2,2-(CO)2-7,11-(Μ-H)2-2,7,11-{Ru2(CO)6}-closo-2,1-RuCB10H8]*. J Clust Sci 16, 201–215 (2005). https://doi.org/10.1007/s10876-005-4544-2

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