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- Title
Forging Unsupported Metal-Boryl Bonds with Icosahedral Carboranes.
- Authors
Saleh, Liban M. A.; Dziedzic, Rafal M.; Khan, Saeed I.; Spokoyny, Alexander M.
- Abstract
In contrast to the plethora of metal-catalyzed cross-coupling methods available for the installation of functional groups on aromatic hydrocarbons, a comparable variety of methods are currently not available for icosahedral carboranes, which are boron-rich three-dimensional aromatic analogues of aryl groups. Part of this is due to the limited understanding of the elementary steps for cross-coupling involving carboranes. Here, we report our efforts in isolating metal-boryl complexes to further our understanding of one of these elementary steps, oxidative addition. Structurally characterized examples of group 10 M−B bonds featuring icosahedral carboranes are completely unknown. Use of mercurocarboranes as a reagent to deliver M−B bonds saw divergent reactivity for platinum and palladium, with a Pt−B bond being isolated for the former, and a rare Pd−Hg bond being formed for the latter.
- Subjects
BORON; CARBORANES; PALLADIUM; PLATINUM; AROMATIC compounds
- Publication
Chemistry - A European Journal, 2016, Vol 22, Issue 25, p8466
- ISSN
0947-6539
- Publication type
Article
- DOI
10.1002/chem.201601292