Abstract − Analytical Sciences, 15(12), 1199 (1999).
Fluorescent Chemo-Sensor for Organic Guests Based on Regioselectively Modified 6A,6B-, 6A,6C-, and 6A,6D-Bis-dansylglycine-Modified-Cyclodextrins
Mayumi SATO, Miyuki NARITA, Nobuaki OGAWA and Fumio HAMADA +
Department of Materials-process Engineering and Applied Chemistry for Environments, Faculty of Engineering and Resource Science, Akita University, Tegata, Akita 010-8502, Japan
Flexible hosts, 6 A ,6 B -, 6 A ,6 C -, and 6 A ,6 D -bis-dansylglycine-modified b-cyclodextrins ( b-1, b-2, and b-3, respectively) have been synthesized as a fluorescent chemo-sensor for organic guests including terpenoids and bile acids. Molecularsensing abilities obtained as fluorescence spectral changes of these hosts on accommodation of guests were almost twice those of g-analogues. The sequence of binding ability of b-analogues is b-2>
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