Acta Cryst. (2003). E59, o794-o796  [ doi:10.1107/S1600536803009759 ]

4-(4-Chlorophenyl)-1,3-diphenyl-7-oxa-1,2-diazaspiro[4.4]non-2-en-6-one

X.-F. Li, Y.-Q. Feng, X.-F. Hu and M. Xu

Abstract: The title compound, C₂₄H₁₉ClN₂O₂, contains a spiro moiety, consisting of a pyrazole ring and a dihydrofuran ring. The pyrazole and dihydrofuran rings adopt envelope conformations. Inversion-related molecules exist as dimers in the crystalline state.

Online 16 May 2003

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