Enhanced ternary 1:2 host-guest complexation of amino-γ-cyclodextrins with 2-anthracenecarboxylic acid

Cheng Yang, Gaku Fukuhara, Asao Nakamura, Yumi Origane, Tadashi Mori, Takehiko Wada, Yoshihisa Inoue

研究成果: Article査読

3 被引用数 (Scopus)

抄録

The complexation behavior of 6-amino-6-deoxy-γ-cyclodextrin (CD), 6A,6X-diamino-6A,6X-deoxy-γ- CDs and 3A-amino-3A-deoxy-altro-γ-CD with 2-anthracenecarboxylic acid (AC) was studied by NMR, UV-vis and circular dichroism spectroscopy. These modified γ-CD derivatives were found to form stable 1:2 host-guest ternary complexes with AC in aqueous solution. Compared with native γ-CD, the primary-face-aminated γ-CDs exhibited remarkably enhanced overall association constants as a result of the additional electrostatic interactions between the oppositely charged host and guest. In contrast, the ternary complex formation of the secondary-face-aminated γ-CD with AC was hindered.

本文言語English
ページ(範囲)433-437
ページ数5
ジャーナルJournal of Inclusion Phenomena and Macrocyclic Chemistry
57
1-4
DOI
出版ステータスPublished - 2007 4
外部発表はい

ASJC Scopus subject areas

  • 食品科学
  • 化学 (全般)
  • 凝縮系物理学

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