Acta Cryst. (2004). E60, o2022-o2024  [ doi:10.1107/S1600536804025462 ]

9-[4-(1,2,3,4,5,6,7,8,9,10-Decahydro-3,3,6,6-tetramethyl-1,8-dioxoacridin-9-yl)phenyl]-1,2,3,4,5,6,7,8,9,10-decahydro-3,3,6,6-tetramethylacridine-1,8-dione dihydrate

C.-S. Yao, C.-X. Yu, S.-J. Tu, D.-Q. Shi and X.-S. Wang

Abstract: The title compound, C₄₀H₄₈N₂O₄·2H₂O, was synthesized by the reaction of dimedone with terephthalaldehyde and NH₄OAc in glycol. X-ray analysis reveals that the dihydropyridine and cyclohexenone rings adopt half-boat conformations. The screw-related molecules form N-HN and O-HO hydrogen-bonded chains along the c axis.

Online 16 October 2004

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