Complexation and photodimerization of anthracene-2-sulfonate in the presence of per-6-aminocyclodextrins
- 1 January 1995
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 2,p. 389-393
- https://doi.org/10.1039/p29950000389
Abstract
The stoichiometry of molecular complexation of anthracene-2-sulfonate (AS) with hexakis-, heptakis and octakis-(6-amino-2,3-di-O-methyl-6-deoxy)cyclodextrins (α-, β- and γ-PACDs) has been investigated by UV, fluorescence, and circular dichroism spectrophotometry; in neutral and alkaline media only β-PACD gives the 2 : 2 inclusion complex, while in sufficiently acidic media all PACDs form the inclusion complexes by benefitting greatly from electrostatic interactions. The relative rates for the PACD-promoted photodimerization are closely related to the complexation modes.Keywords
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