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Synthesis and deborination of polyhalo-substituted ortho-carboranes

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Abstract

Tetraiodo-1,2-dicarba-closo-dodecaborane and 9-bromo-8,10,12-triiodo-1,2-dicarba-closo-dodecaborane were synthesized by oxidative iodination of 1,2-dicarba-closo-dodecaborane and 9-bromo-1,2-dicarba-closo-dodecaborane, respectively, in AcOH using a mixture of nitric and sulfuric acid as an oxidant of iodine. The intermediates in the ortho-carborane iodination were identified. By the action of elemental bromine on 9-iodo-1,2-dicarba-closo-dodecaborane in the presence of aluminum chloride catalyst 9-iodo-8,10,12-tribromo-1,2-dicarba-closo-dodecaborane was obtained. Deborination of the synthesized substances with an alcohol solution of KOH led to formation of 1,5,6,10-tetraiodo-5-bromo-1,6,10-triiodo- and 5-iodo-1,6,10-tribromo-7,8-dicarbaundecaborates methylammonium salts.

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Authors and Affiliations

  1. Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, ul. Surganova 13, Minsk, 220072, Belarus

    D. A. Rudakov, P. V. Kurman & V. I. Potkin

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  1. D. A. Rudakov
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  2. P. V. Kurman
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  3. V. I. Potkin
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Correspondence to V. I. Potkin.

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Original Russian Text © D.A. Rudakov, P.V. Kurman, V.I. Potkin, 2011, published in Zhurnal Obshchei Khimii, 2011, Vol. 81, No. 6, pp. 943–948.

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Rudakov, D.A., Kurman, P.V. & Potkin, V.I. Synthesis and deborination of polyhalo-substituted ortho-carboranes. Russ J Gen Chem 81, 1137–1142 (2011). https://doi.org/10.1134/S1070363211060107

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  • DOI: https://doi.org/10.1134/S1070363211060107

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