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Please use this identifier to cite or link to this item: http://hdl.handle.net/2080/562

Title: Synthesis and Structural Characterization of a Stable Dimeric Boron(II) Dication
Authors: Dinda, R
Ciobanu, Oxana
Wadephol, Heubert
Hubner, Olaf
Acharyya, Rama
Himmel, Hans-Jorg
Issue Date: 2007
Publisher: Wiley
Citation: Angewandte Chemie International Edition, Vol 46, P 9110 –9113
Abstract: A number of boronium ions with the general formula [R2BL2]+ (where L is a donor, such as an amine), some borenium [R2BL]+, and even borinium [R2B]+ ions have been synthesized and structurally characterized.[1] In all these compounds, boron has a formal oxidation state of +III. In addition to the academic interest in the bonding properties in these species, some of them have found application as catalysts in polymerization[2] or Diels-Alder reactions.[3] Boronium cations are also efficient initiators for the dehydrogenation of ammonia-borane.[4] The boron atom of the boronium ions is more or less tetrahedrally coordinated by the two substituents R (for example, amido groups) and two donor ligands L (such as pyridine). In contrast, uncoordinated borinium species, such as the (dimethylamido)(2,2,6,6-tetramethylpiperidino)boron cation,[5] feature an almost linear NBN unit
Description: Copyright belongs to Wiley
URI: http://dx.doi.org/10.1002/anie.200703616
http://hdl.handle.net/2080/562
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