Acta Cryst. (2004). E60, o281-o282  [ doi:10.1107/S1600536804000583 ]

(11R)-(-)-N,N'-Dimethylcinchonidinium diiodide

N. Yoshikawa, K. Takemoto, J. Sakamoto, N. Kanehisa, Y. Kai, H. Takashima and K. Tsukahara

Abstract: The title compound, (-)-4-[hydroxy(1-methyl-5-vinyl-1-azoniabicyclo[2.2.2]oct-2-yl)methyl]-1-methylquinolinium diiodide, C₂₁H₂₈N₂O²⁺·2I^-, is formed from optically active (11R)-(-)-cinchonidine and methyl iodide. The N-Me bond lengths are in the range of 1.476  (7)-1.497  (6)  Å.

Online 30 January 2004

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