Acta Cryst. (2004). E60, o17-o18  [ doi:10.1107/S1600536803027181 ]

(11S)-(+)-N,N'-Dimethylcinchoninium 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 (11S)-(+)-cinchonine and methyl iodide. The N-Me bond lengths are in the range 1.48  (1)-1.49  (1)  Å.

Online 6 December 2003

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