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Phosphinoborenium cations stabilized by N-heterocyclic carbenes: synthesis, structure, and reactivity
Abstract
Phosphinoborenium cations stabilized by N-heterocyclic carbenes (NHCs) were synthesized via the reaction of bromo(phosphino)boranes with NHCs. Their structures were investigated by heteronuclear magnetic resonance spectroscopy, X-ray diffraction, and density functional theory calculations. They possess a planar trigonal boron center directly bonded with the pyramidal phosphanyl group (PR2) and can be treated as cationic phosphinoboranes. The reactivity of the selected NHC-phosphinoborenium cation was tested toward AuCl·SMe2 and Ph2PCl. In both reactions, the titled compound acted as a phosphido group donor under heterolytic cleavage of the P–B bond. Control experiments with parent phosphinoborane emphasized differences between the reactivity of low-coordinate neutral and cationic species with P–B functionality.
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Authors (7)
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Marcin Czapla
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Full text
- Publication version
- Accepted or Published Version
- DOI:
- Digital Object Identifier (open in new tab) 10.1039/D3DT03090C
- License
- Copyright (2023 The Royal Society of Chemistry)
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- Category:
- Articles
- Type:
- artykuły w czasopismach
- Published in:
-
DALTON TRANSACTIONS
no. 52,
pages 16061 - 16066,
ISSN: 1477-9226 - Language:
- English
- Publication year:
- 2023
- Bibliographic description:
- Kaniewska-Laskowska K., Ordyszewska A., Wojnowski T., Halenka H., Czapla M., Chojnacki J., Grubba R.: Phosphinoborenium cations stabilized by N-heterocyclic carbenes: synthesis, structure, and reactivity// DALTON TRANSACTIONS -Vol. 52,iss. 43 (2023), s.16061-16066
- DOI:
- Digital Object Identifier (open in new tab) 10.1039/d3dt03090c
- Sources of funding:
-
- IDUB
- Verified by:
- Gdańsk University of Technology
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