Synthesis and reactivity of dimolybdathiaborane cluster [(Cp*Mo)2B4SH6] (Cp = η5-C5Me5)

Chakrahari, Kirankumar Varma ; Ghosh, Sundargopal (2011) Synthesis and reactivity of dimolybdathiaborane cluster [(Cp*Mo)2B4SH6] (Cp = η5-C5Me5) Journal of Chemical Sciences, 123 (6). pp. 847-851. ISSN 0974-3626

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Chemistry and reactivity of dimolybdathiaborane, [(Cp∗Mo)2B4SH6], 1, obtained from the reaction of 2-mercaptobenzothiazole, [Cp∗MoCl4] and [LiBH4.thf], has been explored with dinuclear metal carbonyl [Fe2 (CO)9]. As a result, reaction of 1 with [Fe2(CO)9] yielded heterometallathiaborane, [(Cp∗Mo)2B4H6SFe(CO)3], 2 in good yield. Both the new compounds have been characterized in solution by 1H, 11B and 13C NMR spectroscopy and the structural types were unequivocally established by X-ray crystallographic analysis of compound 2. Cluster 2 has a bicapped octahedral geometry with the {Fe(CO)3} fragment occupying one of the high-connectivity cluster vertexes rather than a capping position. Interestingly, cluster 1 undergoes geometric changes (bicapped trigonal bipyramid → bicapped octahedron) on the addition of two-electron {Fe(CO)3} fragment to 1.

Item Type:Article
Source:Copyright of this article belongs to Indian Academy of Sciences.
Keywords:Metallaborane; Boranes; Organometallic; Cluster
ID Code:110985
Deposited On:31 Jan 2018 12:31
Last Modified:31 Jan 2018 12:31

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