Acta Cryst. (2010). E66, o2090-o2091  [ doi:10.1107/S1600536810028424 ]

1,3-Bis(2,6-diisopropylphenyl)imidazolidinium tetraphenylborate dichloromethane disolvate

N. A. Giffin, A. D. Hendsbee and J. D. Masuda

Abstract: The title compound, C₂₇H₃₉N₂⁺·C₂₄H₂₀B^-·2CH₂Cl₂, is the first reported imidazolidinium cation with the sterically demanding 2,6-diisopropylphenyl groups in the 1,3-positions. The crystal structure is stabilized by weak intermolecular C-H(arene) interactions. Due to the bulky nature of both the flanking 2,6-diisopropylphenyl substituents and the tetraphenylborate counter-ion, anion interactions with the imidazolidinium H atom in the 2-position are not observed, also a first for this class of ortho-alkyl-substituted Arduengo-type carbene precursors.

Online 24 July 2010

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