Sequence-specific self-sorting of the binding sites of a ditopic guest by cucurbituril homologues and subsequent formation of a heteropseudorotaxane
Chemistry - A European Journal
10360 - 10363
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Ties us together: The selectivity and recognition behavior of cucurbit[n]uril (CB[n]) homologues (n = 6,7,8) towards a ditopic guest containing two distinct binding sites is explored. CB6, CB7, and CB8 recognize and self-sort the binding sites according to their size, shape, and chemical nature. In the presence of both CB6 and CB8 a heteropseudorotaxane is formed. © 2009 Wiley-VCH Verlag GmbH & Co. KGaA.