Ambient Temperature Isolation of a Monatomic Boron(0) Complex
The first bottleable example of a neutral Group 13 atom bound only by neutral donor ligands (L) has been fully characterized by spectroscopic methods and its structure determined by a single-crystal X-ray diffraction study. A two-coordinate paramagnetic L<sub>2</sub>B<sup>0</sup> complex can readily be accessed through a facile reduction reaction and is stabilized by π-accepting cyclic (alkyl)(amino)carbene (CAAC) ligands. Further reduction of (CAAC)<sub>2</sub>B leads to the isolation of a stable diamagnetic boride anion. In turn, oxidation leads to the putative formation of a transient two-coordinate cationic borylene, which has been trapped to form a stable boron(I) complex. Density functional theory calculations support the formulation of (CAAC)<sub>2</sub>B as a boron(0) complex stabilized by strong multiple bonding.
Authors
- William Kennedy
- Vignesh Pattathil
- Yuxiang Wei (ORCID: https://orcid.org/0000-0002-4391-3753)
- Felipe Fantuzzi (ORCID: https://orcid.org/0000-0002-8200-8262)
- Conor Pranckevicius (ORCID: https://orcid.org/0009-0003-1293-8549)
Institutions
- University of British Columbia (CA)
- University of Kent (GB)
- Okanagan University College (CA)
Publication Details
- Journal
- Journal of the American Chemical Society
- Published
- 2025-01-16
- DOI
- https://doi.org/10.1021/jacs.4c14915
- Citations
- 7
- Primary Topic
- Organoboron and organosilicon chemistry
- Type
- article
- Field-Weighted Citation Impact
- 6.55
Funders
- Canada Foundation for Innovation
- European Cooperation in Science and Technology
- Natural Sciences and Engineering Research Council of Canada