Abstract

This study investigates the selectivity of two organic host molecules towards pairs of guest molecules and in particular describes the crystal structures of the mixed guestclathrates obtained in selectivity studies. The diol organic host compounds 9,9′-(biphenyl-4,4′-diyl)difluoren-9-ol (H1) and 9,9′-(ethyne-1,2-diyl)difluoren-9-ol (H2) investigated in this study were found to show interesting selectivities (determined via competition experiments) towards THFvs.Et2O and EtOHvs.MeCN, respectively. The crystal structures of the single guestinclusion compounds were elucidated and compared and in addition the crystal structures of the inclusion compounds containing mixed guests were studied and in each case could be correlated with the selectivity profiles.

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