Abstract
Currently, the chemistry of carbonyl derivatives of the closo-borate anions is actively developing. It is of great interest to obtain protonated complexes of these types of clusters for further directed functionalization. The aim of this study is to develop an approach to the preparation of the protonated complex of the monocarbonyl derivative [B10H9CO⋅Hfac]0. In the course of the work, the target complex has been obtained by protonation of the [B10H9CO]– anion with an excess of trifluoromethanesulfonic acid CF3SO3OH. In this reaction, the boron cluster is quantitatively protonated. When a base is added, the protonation process becomes reversible.
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ACKNOWLEDGMENTS
The studies were carried out using the equipment at the Center for Collective Use of the Physical Methods of Investigation of the Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences, which functions with the support of the State Assignment of the Kurnakov Institute RAS in the field of fundamental scientific research.
Funding
This work was supported by the Russian Science Foundation (grant no. 20-73-00326).
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Klyukin, I.N., Kolbunova, A.V., Selivanov, N.A. et al. Study of Protonation of the Monocarbonyl Derivative of the closo-Decaborate Anion [B10H9CO]–. Russ. J. Inorg. Chem. 66, 1798–1801 (2021). https://doi.org/10.1134/S003602362112007X
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DOI: https://doi.org/10.1134/S003602362112007X