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  • Title: Self-complexed deep cavitands: alkyl chains coil into a nearby cavity.
    Author: Hooley RJ, Rebek J.
    Journal: Org Lett; 2007 Mar 29; 9(7):1179-82. PubMed ID: 17323957.
    Abstract:
    [structure: see text]. A series of self-complexing tetrabenzimidazole cavitands have been synthesized. Alkyl chains appended to the rim helically coil into the cavity in competitive organic solvents. These "flexible arms" exchange with each other, a process shown by 2D NMR to proceed via an intermediate solvent-containing species.
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