Abstract
The complexation of neutral organic molecules by cucurbituril andβ-cyclodextrin in formic acid was studied by means ofspectrophotometric titrations. In the case of β-cyclodextrin thecomposition of the solvent has almost no influence upon the stability of thecomplexes formed. This situation is completely different for cucurbituril.Due to its interactions with protons the measured stability constants of thecomplexes formed with organic molecules increase with decreasing acidconcentration. At low acid concentrations cucurbituril forms more stablecomplexes with organic molecules than β-cyclodextrin.
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Buschmann, HJ., Schollmeyer, E. Cucurbituril and β-Cyclodextrin as Hosts for the Complexation of Organic Dyes. Journal of Inclusion Phenomena 29, 167–174 (1997). https://doi.org/10.1023/A:1007981816611
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DOI: https://doi.org/10.1023/A:1007981816611