Water-Binding-Mediated Gelation/Crystallization and Thermosensitive Superchirality.
Angew Chem Int Ed Engl
; 57(26): 7774-7779, 2018 06 25.
Article
em En
| MEDLINE
| ID: mdl-29696772
ABSTRACT
Determination of molecular structural parameters of hydrophobic cholesterol-naphthalimide conjugates for water binding capabilities as well as their moisture-sensitive supramolecular self-assembly were revealed. Water binding was a key factor in leading trace water-induced crystallization against gelation in apolar solvent. Ordered water molecules entrapped in self-assembly arrays revealed by crystal structures behave as hydrogen-bonding linkers to facilitate three-dimensional growth into crystals rather than one-dimensional gel nanofibers. Water binding was also reflected on the supramolecular chirality inversion of vesicle self-assembly in aqueous media via heating-induced dehydration. Structural parameters that favor water binding were evaluated in detail, which could help rationally design organic building units for advancing soft materials, crystal engineering, and chiral recognition.
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MEDLINE
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En
Ano de publicação:
2018
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Article