Supramolecular gelation of alcohol and water by synthetic amphiphilic gallic acid derivatives

Hitoshi Tamiaki, Keishiro Ogawa, Keisuke Enomoto, Kazutaka Taki, Atsushi Hotta, Kazunori Toma

研究成果: Article査読

5 被引用数 (Scopus)

抄録

The supramolecular organogelation of alcohols was observed in relatively hydrophobic amphiphiles with a short oligo(ethylene glycol) unit and three long alkyl chains at room temperature, while the hydrogelation occurred in more hydrophilic gelators with a longer poly(ethylene glycol) unit and two long alkyl chains at various temperatures. When a hot aqueous solution of some of the synthetic hydrogelators was cooled down, the supramolecular hydrogel was formed at room temperature. In some other amphiphiles with less intermolecular interactivity in water at room temperature, a reverse phase transition of sol to gel was observed by elevating the temperature of their aqueous systems, especially below a physiological temperature, 37 °C. The supramolecular hydrogelation at a low or high temperature was dependent on a slight molecular modification of the synthetic amphiphiles.

本文言語English
ページ(範囲)1661-1666
ページ数6
ジャーナルTetrahedron
66
9
DOI
出版ステータスPublished - 2010 2月 27

ASJC Scopus subject areas

  • 生化学
  • 創薬
  • 有機化学

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