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DOI:
https://doi.org/10.34804/supra.20210928232 Cc Cc by 4.0
Title:
Stoichiometrically Different Inclusion Complexes of 2-Aminofluorene and 2-Amino-9-Hydroxyfluorene in β-Cyclodextrin: A Spectrofluorimetric Study
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Description:
β-cyclodextrin (β-CDx) forms inclusion complexes with 2-aminofluorene (2AF) and 2-amino-9-hydroxyfluorene (2AHF) in different stoichiometries (Guest-host ratio 1:1 and 1:2 respectively) which is discussed on the basis of study by absorption and fluorescence spectroscopy. The ground and the excited state acidity constants for the neutral‒monocation equilibrium of the two fluorophores in aqueous β-CDx medium are determined by spectrophotometric and fluorimetric titration methods respectively. The dual fluorescence observed for 2AHF monocation in aqueous solution is due to the formation of monocation-water exciplex. This monocation-water exciplex formation is hindered in β-CDx solution by the inclusion complexation. Based on the results obtained, the structures of the inclusion complexes are proposed.
Citation:

I. V. M. V. Enoch, M. Swaminathan, SupraBank 2024, Stoichiometrically Different Inclusion Complexes of 2-Aminofluorene and 2-Amino-9-Hydroxyfluorene in β-Cyclodextrin: A Spectrofluorimetric Study (dataset). https://doi.org/10.34804/supra.20210928232

Link: https://doi.org/10.34804/supra.20210928232
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Citation:

I. V. M. V. Enoch, M. Swaminathan, J Fluoresc 2006, 16, 697–704.

Link: https://doi.org/10.1007/s10895-006-0112-x
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Creators:
Orcidid | Ror | I. V. Muthu Vijayan Enoch
Orcidid | Ror | M. Swaminathan
Contributers:
Orcidid | Ror | Anxhela Zhiti | DataManager

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