6-S-hydroxyethylated 6-thiocyclodextrins: expandable host molecules

Abstract
6-S-Hydroxyethylated 6-thiocyclodextrins have been synthesised as a new class of host molecule in which the multiple side chains may adopt conformations which increase the cavity size; spectroscopic evidence is presented that implies that the γ-cyclodextrin derivative behaves in this way when complexing with anthraquinone-2-sulfonate.

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