The alanine-based linkers present in 1 determine a strong trend of the monomeric units to form seven-membered H-bonded pseudocycles in all the solvents investigated (CHCl 3 , toluene (Tol), and MCH, Fig. 1a ).
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Solvent-dependent self-assembly of <i>N</i>-annulated perylene diimides. From dimers to supramolecular polymers.
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