3 years ago

Transition Metal Complexes of a Monocarba-closo-dodecaborate Ligand via B–H Activation

Transition Metal Complexes of a Monocarba-closo-dodecaborate Ligand via B–H Activation
Kim K. Baldridge, Tosaporn Sattasatchuchana, Yunjun Shen, Jiyong Liu, Simon Duttwyler
Rhodium- and palladium-induced B2–H activation of a derivative of the monocarba-closo-dodecaborate [CB11H12]– afforded two new transition metal complexes of this cluster. The products were formed in high yields under mild conditions. The complexes were fully characterized by spectroscopic methods, X-ray crystallography, and computational analysis. The product from the reaction with rhodium was identified as a monomeric RhIII complex, while B–H activation with palladium afforded a dimeric PdII structure. Acetate-mediated deprotonation–metalation is proposed as the mechanistic pathway.Rhodium and palladium complexes of the monocarba-closo-dodecaborate cluster are reported. These products were formed by amide-group-assisted B–H activation and feature direct B2–[TM] bonds. Full characterization by spectroscopic methods and X-ray crystallography, as well as calculations, were performed.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1002/ejic.201700677

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