Acta Crystallographica Section E

Volume 67, Part 6 (June 2011)

organic compounds

im2283 scheme

Acta Cryst. (2011). E67, o1363-o1364 [ doi:10.1107/S1600536811016606 ]

3-Allyl-1-{[3-(4-nitrophenyl)-4,5-dihydro-1,3-oxazol-5-yl]methyl}-1H-anthra[1,2-d]imidazole-2,6,11(3H)-trione

Z. Afrakssou, A. Haoudi, F. Capet, C. Rolando and L. El Ammari

Abstract: The molecular structure of the title compound, C₂₈H₂₀N₄O₆, consists of three fused six-membered rings (A,B,C) and one five-membered ring (D). The latter is linked to an isoxazole ring (E) via a methylene unit. A 4-nitro-phenyl substituent (F) is attached to the isoxazole. The fused five and six-membered rings (C,D) are almost coplanar with an r.m.s. deviation of 0.0345 Å and make a dihedral angle of 9.40 (8)° with ring A. The isoxazole and 4-nitro-phenyl rings (E,F) are also almost coplanar with the imidazole and the fused adjacent ring (C,D), forming a dihedral angle of 11.4 (6)°. The crystal packing displays intermolecular C-HO hydrogen bonding. An intramolecular C-HO interaction also occurs.


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