Acta Cryst. (2003). E59, o994-o996  [ doi:10.1107/S1600536803011346 ]

A tetrakis(secondary amide) derivative of norbornadiene: 7-isopropylidene-N,N',N'',N'''-tetraphenylnorborna-2,5-diene-2,3,5,6-tetracarboxamide

T. Winkler, R. Herges, P. G. Jones and I. Dix

Abstract: The title compound, C₃₈H₃₂N₄O₄, displays crystallographic twofold symmetry. The four amide groups are arranged such that four intramolecular N-HO hydrogen bonds are formed. The molecules are linked into chains by short C-HO interactions involving the methine H atoms.

Online 24 June 2003

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