New molybdaborane clusters with a bridged phosphido ligand

Chakrahari, Kiran Kumar Varma ; Mobin, Shaik M. ; Ghosh, Sundargopal (2011) New molybdaborane clusters with a bridged phosphido ligand Journal of Cluster Science, 22 (2). Article ID 149. ISSN 1040-7278

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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.

Item Type:Article
Source:Copyright of this article belongs to Springer Verlag.
Keywords:Metallaborane; Dimolybdenum; Phosphido
ID Code:110986
Deposited On:31 Jan 2018 12:31
Last Modified:31 Jan 2018 12:31

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