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New Molybdaborane Clusters with a Bridged Phosphido Ligand
Published in
Volume: 22
Issue: 2
Pages: 149 - 157
Treatment of [Cp*MoCl4], 1 (Cp* = η5-C5Me5), with [LiBH4. thf] in toluene at -40 °C, followed by thermolysis with [(thf)Li{CH(PPh2-BH3)2}] results in the formation of a new class of phosphido bridged molybdaborane [(Cp*Mo)2B4H7(μ-PPh2)], 2 which has been characterized crystallographically. In addition, the above reaction also produces known [(Cp*Mo)2B5H9], 3 and an unusual molybdaborane [(Cp*Mo)2B5H8(OiPr)], 4 (iPr = -CH(CH3)2). All the new compounds have been characterized in solution by 1H, 11B, 13C, 31P NMR spectroscopy and the structural types were unambiguously established by X-ray crystallographic analysis of compounds 2 and 4. © 2011 Springer Science+Business Media, LLC.
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JournalJournal of Cluster Science
Open AccessNo