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Guest‐responsive excimer fluorescence of β‐cyclodextrin bearing a pendant group with two pyrene moieties
Author(s) -
Ueno Akihiko,
Takahashi Mizuki,
Nagano Yuichi,
Shibano Harumichi,
Aoyagi Taiyo,
Ikeda Hiroshi
Publication year - 1998
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/(sici)1521-3927(19980601)19:6<315::aid-marc315>3.0.co;2-s
Subject(s) - pyrene , excimer , cyclodextrin , fluorescence , photochemistry , chemistry , derivative (finance) , inclusion compound , polymer chemistry , aqueous solution , organic chemistry , optics , physics , financial economics , economics
β‐Cyclodextrin derivative 1 , bearing a group with two pyrene moieties, exhibits predominant excimer emission in a 20% DMSO aqueous solution. In spite of the fact that pyrene is too large to be included in the β‐cyclodextrin cavity and consequently both pyrene moieties are located outside the cavity, 1 varies the excimer emission intensity through the formation of inclusion complexes with guest species, thus acting as a chemosensor for molecular recognition.