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Synthesis and X-ray structural characterisation of the tetramethylene oxonium derivative of the hydrodecaborate anion. A versatile route for derivative chemistry of [B10H10]
Authors:R. Bernard  M. Perrin  P. Miele
Affiliation:a Laboratoire des Multimatériaux et Interfaces, UMR 5615 CNRS - Université Claude Bernard Lyon I, 43 Bd du 11 Novembre 1918, F69622 Villeurbanne cedex, France
b Centre de Diffractométrie Henri Longchambon, Université Claude Bernard Lyon I, 43 Bd du 11 Novembre 1918, F69622 Villeurbanne cedex, France
Abstract:The oxonium derivative P(C6H5)4[2-B10H9O(CH2)4] (1) has been prepared from [B10H10]2− by a solvent-addition reaction route, promoted by Et2O · BF3. Its structure has been confirmed by single crystal X-ray analysis. 1 is assumed to be a useful synthon for the derivative chemistry of [B10H10]2−. As an illustration, ring-opening reaction occurred in presence of the strong nucleophilic agent OH, giving the monoanionic derivative [P(C6H5)4]2[2-B10H9O(CH2)4OH] (2).
Keywords:Decahydro-closo-decaborate   Boron cluster   Oxonium derivative   Ring-opening reaction   BNCT
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