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

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...

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Bibliographic Details
Published in:European journal of inorganic chemistry 2017-10, Vol.2017 (38-39), p.4420-4424
Main Authors: Shen, Yunjun, Liu, Jiyong, Sattasatchuchana, Tosaporn, Baldridge, Kim K., Duttwyler, Simon
Format: Article
Language:English
Subjects:
Activation
B–H activation
Carboranes
Coordination compounds
Crystallography
Directing groups
Inorganic chemistry
Palladium
Rhodium
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Summary: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.
ISSN:1434-1948
1099-0682
DOI:10.1002/ejic.201700677