Ten-vertex osmamonocarbaboranes via arachno and nido {CB9} monocarbaboranes. Polyhedral contraction promoted by [OsCl2(PPh3)3] in MeOH and the crystal and molecular structure of [1-H-1,1-(PPh3)2-2-Ph-3-(OMe)-isocloso-1,2-OsCB8H7] |
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| Authors: | Vitalii E Konoplev Irina V Pisareva Eugenii V Vorontsov Fedor M Dolgushin Andreas Franken John D Kennedy Igor T Chizhevsky |
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| Affiliation: | aA.N. Nesmeyanov Institute of Organoelement Compounds, 28 Vavilov Str., 119991 Moscow, Russian Federation;bThe Department of Chemistry, The University of Leeds, Leeds, England LS2 9JT, UK |
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| Abstract: | Reactions of OsCl2(PPh3)3] 1 with the NEt4]+ salts of the 6-Ph-nido-6-CB9H11]− anion 2 and the arachno-6-CB9H14]− anion 3 each proceed selectively in methanol solution with the elimination of one boron-containing fragment from the starting cluster polyhedron, yielding together a short series of three novel 10-vertex hydridoosmamonocarbaboranes of isocloso {OsCB8} cluster geometry. |
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| Keywords: | Borane cluster Isocloso geometry Metallamonocarbaborane Carbaborane Monocarbaborane Cluster-dismantling reaction X-ray structure NMR spectroscopy |
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