By condensation reactions of pillar[5]arene derivatives and alkylenediamines with different lengths of alkyl chains, self-locked dipillar[5]arene-based pseudo[1]rotaxanes and bispseudo[1]-rotaxanes were obtained, which were characterized via 1D NMR, 2D NMR, and… Click to show full abstract
By condensation reactions of pillar[5]arene derivatives and alkylenediamines with different lengths of alkyl chains, self-locked dipillar[5]arene-based pseudo[1]rotaxanes and bispseudo[1]-rotaxanes were obtained, which were characterized via 1D NMR, 2D NMR, and X-ray analyses. It was found that the lengths of alkyl chains of alkylenediamines played crucial roles in forming these self-locked molecules.
               
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