Acta Cryst. (2007). C63, o378-o381  [ doi:10.1107/S0108270107022160 ]

Three related benzoannelated diazapolyether macrocycles: effects of macrocycle ring size and position of benzo groups on hydrogen bonding of the amine H atoms

G. L. N. Smith, D. R. Powell, M. A. Khan and R. W. Taylor

Formula: C₁₈H₂₂N₂O₃, C₂₀H₂₆N₂O₄ and C₂₀H₂₆N₂O₄·0.304H₂O

Online 14 June 2007

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