9-Borabicyclo[3.3.1]nonane: a metal-free catalyst for the hydroboration of carbodiimides

The commercial 9-borabicyclo[3.3.1]nonane dimer is used as the first example of a metal-free catalyst for the monohydroboration of carbodiimides with pinacol borane. Stoichiometric reactions, kinetic studies, and DFT calculations have allowed us to propose a plausible mechanism involving a heterocyc...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2019-03, Vol.55 (21), p.3073-3076
Main Authors: Ramos, Alberto, Antiñolo, Antonio, Carrillo-Hermosilla, Fernando, Fernández-Galán, Rafael, García-Vivó, Daniel
Format: Article
Language:English
Subjects:
Carbodiimides
Catalysis
Catalysts
Crystallography
Dimers
Hydroboration
Mathematical analysis
NMR
Nuclear magnetic resonance
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Summary:The commercial 9-borabicyclo[3.3.1]nonane dimer is used as the first example of a metal-free catalyst for the monohydroboration of carbodiimides with pinacol borane. Stoichiometric reactions, kinetic studies, and DFT calculations have allowed us to propose a plausible mechanism involving a heterocyclic amidinate intermediate with a three center-two electron B-H-B bond.
ISSN:1359-7345
1364-548X
DOI:10.1039/c9cc00593e