Coumarin[4]arene: A Fluorescent Macrocycle.
Pawan KumarVenkatakrishnan ParthasarathyPublished in: Organic letters (2018)
The pyranone functionalization of the upper rim of resorcinarene to provide the coumarin macrocycle called "coumarin[4]arene", possessing visible fluorescence and conformationally flexible behavior suitable for molecular recognition, has been successfully synthesized and characterized.