- PII
- 10.31857/S0044457X24060033-1
- DOI
- 10.31857/S0044457X24060033
- Publication type
- Article
- Status
- Published
- Authors
- Volume/ Edition
- Volume 69 / Issue number 6
- Pages
- 816-821
- Abstract
- The process of rearrangement of the octadecahydroeicosaborate anion [trans-B20H18]2– → [iso-B20H18]2– in various solvents (acetonitrile, DMF, DMSO) under UV irradiation in dynamics has been studied using 11B NMR spectroscopy. It has been shown that the time of complete isomeric transition depends on the solvent used. In acetonitrile, complete conversion of the [trans-B20H18]2– anion to the iso form is achieved in 1 h; in DMF, the process takes about 2 h; in DMSO, about 3 h. The reverse process of rearrangement of the macropolyhedral borohydride anion [iso-B20H18]2– → [trans-B20H18]2– has been studied under the influence of temperature in DMF and it has been shown that an increase in the reaction time and an increase in the temperature of the reaction solution is accompanied by degradation of the boron cluster.
- Keywords
- кластерные анионы бора УФ-облучение изомеризация октадекагидроэйкозаборатный анион
- Date of publication
- 17.09.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 14
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