Acta Cryst. (2003). E59, o1098-o1100  [ doi:10.1107/S1600536803013692 ]

A tetrakis(secondary amide) derivative of quadricyclane: 3-isopropylidenetetracyclo[3.2.0.0^2,7.0^4,6]heptane-1,5,6,7-tetracarboxylic acid tetrakis(cyclohexylamide)

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

Abstract: The molecule of the title compound, C₃₈H₅₆N₄O₄, displays approximate twofold symmetry. The four amide groups are arranged such that four intramolecular N-HO hydrogen bonds are formed. The molecules are linked into dimers by bifurcated (C-H)₂O interactions.

Online 10 July 2003

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