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Статья
2020

Synthesis and structure of 9-hydroxy-1,2-dicarba-closo-dodecaborane(11)


D. A. RudakovD. A. Rudakov, A. M. GenaevA. M. Genaev, Yu. V. GatilovYu. V. Gatilov, E. A. DikusarE. A. Dikusar, T. D. ZverevaT. D. Zvereva, Z. P. ZubreichukZ. P. Zubreichuk, V. I. PotkinV. I. Potkin
Российский химический вестник
https://doi.org/10.1007/s11172-020-2763-1
Abstract / Full Text

The oxidation of 1,2-C2B10H12 (1) with 100% nitric acid was studied in two solvents (CH2C12 and CCl4). Under the action of superacid (CF3SO3H), the compound 9-HO-1,2-C2B10H11 (2) gives the onium cation 9-H2O+-1,2-C2B10H11 involved in the salt [9-H2O+-1,2-C2B10Hn]-CF3SO3, as demonstrated by uB NMR spectroscopy. The experimental and simulated uB NMR spectra of the cation 9-H2O+-1,2-C2B10H11 are in satisfactory agreement with each other. In the presence of a base, compound 2 is transferred from an ethereal solution to an aqueous alkaline solution giving the anion 9-O- 1,2-C2B10H11. The structure of compound 2 was confirmed by 1H, 11B, 11B1H, 11B-11B COSY NMR spectroscopy, IR spectroscopy, and gas chromatography mass spectrometry and was additionally established by X-ray diffraction.

Author information
  • N. N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 9 prosp. Akad. Lavrentieva, 630090, Novosibirsk, Russian FederationD. A. Rudakov, A. M. Genaev & Yu. V. Gatilov
  • Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 13 ul. Surganova, 220072, Minsk, BelarusE. A. Dikusar, T. D. Zvereva, Z. P. Zubreichuk & V. I. Potkin
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