Photoswitching of the association of a permethylated α-cyclodextrin-azobenzene dyad forming a Janus [2]pseudorotaxane

Tatsuhiko Fujimoto, Asao Nakamura, Yoshihisa Inoue, Yoshiteru Sakata, Takahiro Kaneda

研究成果: Article

47 引用 (Scopus)

抜粋

For achieving the on-off operation of the superstructure formation of hermaphrodite cyclodextrin derivatives, we synthesized azobenzene-modified permethylated α-cyclodextrins, 1 and 2. These compounds formed Janus [2]pseudorotaxanes in CD3OD-D2O mixtures. The E-Z photoisomerization of 1 by UV light irradiation resulted in the dissociation of the superstructure, but, by boiling the solution, the superstructure was recovered through the thermal isomerization of (Z)-1 to (E)-1. These processes could be repeated many times without any side reactions. This is the first example of the dynamic control of the [2]pseudorotaxane formation of modified cyclodextrins by external stimuli.

元の言語English
ページ(範囲)7987-7989
ページ数3
ジャーナルTetrahedron Letters
42
発行部数45
DOI
出版物ステータスPublished - 2001 11 5

    フィンガープリント

ASJC Scopus subject areas

  • Biochemistry
  • Drug Discovery
  • Organic Chemistry

これを引用