Abstract
The host–guest complexation behaviour ofβ-cyclodextrin 6-O-mono-2-naphthoate(1) and 6-[(N-2-naphthoyl-2-aminoethyl) amino]-6-deoxy-β-cyclodextrin (2) have been studied by the circular dichroism method. The exciton coupling band of 1 suggests that two naphthoyl moieties are partly included in one β-CD cavity. Host 1 could form a dimer in a more polar solvent and the dimer could be dissociated in a less polar solvent or by adding a guest. Solvent-induced, concentrationinduced, and guest-induced circular dichroism variations were examined. No exciton coupling was observed for host 2.
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Gao, XM., Zhang, YL., Tong, LH. et al. Exciton Coupling and Complexation Behaviour of β-Cyclodextrin Naphthoate. Journal of Inclusion Phenomena 39, 77–80 (2001). https://doi.org/10.1023/A:1008199131354
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DOI: https://doi.org/10.1023/A:1008199131354