3 years ago

Facile Deboronation of Some o-Carboranylamides

Facile Deboronation of Some o-Carboranylamides
Jinling Miao, Zhenwei Zhang, Chunhua Hu, Yu Cui, Yafeng Wang, Yexin Li, Yong Nie
The crystal structures of the known closo-carboranylamide 1,2-(PhNHCO)2-o-C2B10H10 (3) as diethyl ether and toluene/water solvates are reported. Compound 3 undergoes gradual deboronation in wet diethyl ether leading to the corresponding nido-carboranylamide [PhNH3][7,8-(PhNHCO)2-nido-C2B9H10] (4). The structure of 4 has been confirmed by X-ray crystal structure analysis. Further experimental and theoretical evidence shows that the presence of the electron-withdrawing amide moieties facilitates the deboronation of these closo-carboranylamides in certain solvents affording the corresponding nido-carboranylamides.Carboranylamide 1,2-(PhNHCO)2-o-C2B10H10 (3) in diethyl ether undergoes gradual deboronation leading to [PhNH3][7,8-(PhNHCO)2-nido-C2B9H10] (4). Further evidence shows that such closo-carboranylamides in certain solvents tend to undergo facile deboronation, depending on the number of amide groups and the nature of the solvents.

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

DOI: 10.1002/ejic.201700612

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