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Chiral macrocycles composed of dimethyl 2,5‐diaminoterephthalate units (n = 2–4) can be synthesised in a simple one‐pot reaction. All products exhibit fluorescence in solution and in the solid state that is dependent on the size of the macrocyclic ring—the smaller the macrocycle, the longer the emission wavelength. The macrocycles show strong chiroptical activity, with the trimer showing particularly...
Chiral fluorescent macrocycles consisting of two to four units of dimethyl 2,5‐diaminoterephthalate can be readily synthesized in a one‐pot manner from inexpensive building blocks. Depending on the concentration, either a paracyclophane‐like dimer with closely stacked benzene rings or a triangular trimer is the main product of the reaction. The macrocycles exhibit fluorescence in solution as well...