- Conference date: 10–14 September 2007
- Location: México City (México)
In this contribution, the supramolecular structures of 3‐carboxycoumarins and their charge‐transfer complexes were revisited with emphasis in carbonyl interactions. A plethora of soft C–H⋯π, C–H⋯O (carbonyl), carbonyl⋯carbonyl (both perpendicular and parallel type), carbonyl⋯π, carbonyl⋯X (Cl, Br), and π‐stacking interactions are very common motifs among 3‐carboxycoumarins. These interactions arrange the molecules in the solid state and are useful to understand biomolecular recognition processes.
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