Abstract
Multiple interaction plays important roles in molecular recognition. In the present article are described recent advances in the supramolecular multiple interactions. It is composed of three parts. The first one deals with a strategic switch from convergent multiple interaction sites to divergent ones. The latter is suited not for host-guest complexation but for intermolecular network formation and hence allows molecular alignment control in crystals. In the second part is shown the use of templates to induce biologically-significant supramolecular structures such as α-helical folding of peptides and sugar clusters. The last part is concerned with how multiple hydrogen bonding interaction can become effective in aqueous media. Examples include a membrane-forming cooperation of hydrogen bonding and hydrophobic effect, a very strong adsorption of a macrocyclic sugar cluster on polar solid surfaces, and guest-binding supramolecular cavities in microporous crystals maintained by hydrogen-bonds.
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