Deuterium isotope effect on the complexation of β-cyclodextrin and triplet xanthone in aqueous solution

Supramolecular Chemistry

Volumn 8, Issue 4, 1997, Pages 263-266

  Barra, Mónica ^a  

^a UNIVERSITY OF WATERLOO   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0001387529     PISSN: 10610278     EISSN: None     Source Type: Journal    
DOI: 10.1080/10610279708034944     Document Type: Article

References (15)

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2. Wang, A.S. and Matsui, Y. (1994) Bull. Chem. Soc. Jpn. 67, 2917.
3. Barra, M., Bohne, C. and Scaiano, J.C. (1990) J. Am. Chem. Soc. 112, 8076.
4. Liao, Y., Frank, J., Holzwarth, J.F. and Bohne, C. (1995) J. Chem. Soc., Chem. Commun., 199.
5. 2O (99.9%) was obtained from Cambridge Isotope Laboratories. Fluorescence spectra were collected by duplicate using a Perkin-Elmer MPF-2A.
6. 2 quartz cells and were deaerated by bubbling with oxygen-free nitrogen for 20 min. The laser system is controlled by a Power Mac 7100/80 computer operating with LabVIEW 3.1.1 software from National Instruments. This system is similar to that described in ref. 7; details will be published elsewhere.
7. Scaiano, J.C. (1980) J. Am. Chem. Soc. 102, 7747.
8. van Stam, J., De Feyter, S., Boens, N. and De Schryver, F. (1995) J. Chem. Soc., Chem. Commun., 2433.
9. -5 M.
10. Lifetimes in water are normally > 3 μs, depending on the quality of degassing.
11. Liao, Y.; Frank, J.; Holzwarth, J.F. and Bohne, C.; J. Chem. Soc., Chem. Commun. 1995, 2435.
12. Reichardt, C.; Solvents and solvent effects in organic chemistry; VCH Publishers: Cambridge, 1988.
13. Similar measurements with α- and γ-CDs were not attempted due to the fact that complexes are much weaker than in the case of β-CD and results are not as conclusive (see ref. 3 and 4).
14. Bender, M.L. and Komiyama, M.; Cyclodextrin chemistry; Springer Verlag: New York, 1977.
15. Némethy, G. and Scheraga, H.A.; J. Chem. Phys. 1964, 41, 680.