https://www.selleckchem.com/products/nd-630.html
The title compound, 19 H,79 H-3,5,9,11-tetra-oxa-1,7(2,7)-difluorena-4,10(1,3)-dibenzena-cyclo-dodeca-phane-19,79-dione (fluorenonophane), exists as a solvate with chloro-benzene, C42H28O6·C6H5Cl. The fluorenonophane contains two fluorenone fragments linked by two m-substituted benzene fragments. Some decrease in its macrocyclic cavity leads to a stacking inter-action between the tricyclic fluorenone fragments. In the crystal, the fluorenonophane and chloro-benzene mol-ecules are linked by weak C-H⋯π(ring) inter-actions and C-H⋯Cl hydrog
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