Acta Cryst. (2004). E60, o1266-o1268  [ doi:10.1107/S1600536804014989 ]

1-Ethyl-4-phenylethyl-1,4-dihydroquinoxaline-2,3-dione

M. Akkurt, S. Öztürk, H. Küçükbay, E. Orhan and O. Büyükgüngör

Abstract: The title compound, C₁₈H₁₈N₂O₂, was synthesized by heating 2,4-dioxo-1,3-diphenyl-7,8-benzo-6-ethyl-9-(2-phenylethyl)-1,3,6,9-tetrazaspiro[4.4]nonane in toluene. The quinoxaline ring system is planar and the dihedral angle between the phenyl and piperazine rings is 28.6 (1)°. The crystal structure is stabilized by intermolecular C-HO hydrogen bonds.

Online 26 June 2004

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