N-anthracenylmethyl calix[4]azacrowns as new fluorescent ionophores

Seung H. Yang; Ok J. Shon; Ki M. Park; Shim S. Lee; Ho J. Park; Moon J. Kim; Joung H. Lee; Jong S. Kim

doi:10.5012/bkcs.2002.23.11.1585

N-anthracenylmethyl calix[4]azacrowns as new fluorescent ionophores

Seung H. Yang, Ok J. Shon, Ki M. Park, Shim S. Lee, Ho J. Park, Moon J. Kim, Joung H. Lee, Jong S. Kim

Research output: Contribution to journal › Article › peer-review

Abstract

Two novel calixarene-based fluoroionophores were synthesized. Their conformations were confirmed to 1,3-alternate by X-ray crystal structures. From CHEF by blocking the PET mechanism in fluorescence spectra, we observed In³⁺ and Pb²⁺ion selectivity over other metal ions. For In³⁺ion, calix[4]-bis-azacrown-5 showed about 20 times more sensitive than calix[4]-mono-azacrown-5 because the source of the binding selectivity comes from the calixarene framework and azacrown ligand by controlling the fluorescence and PET mechanisms associated with the amine moiety.

Original language	English
Pages (from-to)	1585-1589
Number of pages	5
Journal	Bulletin of the Korean Chemical Society
Volume	23
Issue number	11
DOIs	https://doi.org/10.5012/bkcs.2002.23.11.1585
Publication status	Published - 2002 Nov 20

Keywords

Calixarenes
Complexation
Conformation
Fluorescence

ASJC Scopus subject areas

Chemistry(all)

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title = "N-anthracenylmethyl calix[4]azacrowns as new fluorescent ionophores",

abstract = "Two novel calixarene-based fluoroionophores were synthesized. Their conformations were confirmed to 1,3-alternate by X-ray crystal structures. From CHEF by blocking the PET mechanism in fluorescence spectra, we observed In3+ and Pb2+ion selectivity over other metal ions. For In3+ion, calix[4]-bis-azacrown-5 showed about 20 times more sensitive than calix[4]-mono-azacrown-5 because the source of the binding selectivity comes from the calixarene framework and azacrown ligand by controlling the fluorescence and PET mechanisms associated with the amine moiety.",

keywords = "Calixarenes, Complexation, Conformation, Fluorescence",

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T1 - N-anthracenylmethyl calix[4]azacrowns as new fluorescent ionophores

AU - Yang, Seung H.

AU - Shon, Ok J.

AU - Park, Ki M.

AU - Lee, Shim S.

AU - Park, Ho J.

AU - Kim, Moon J.

AU - Lee, Joung H.

AU - Kim, Jong S.

PY - 2002/11/20

Y1 - 2002/11/20

N2 - Two novel calixarene-based fluoroionophores were synthesized. Their conformations were confirmed to 1,3-alternate by X-ray crystal structures. From CHEF by blocking the PET mechanism in fluorescence spectra, we observed In3+ and Pb2+ion selectivity over other metal ions. For In3+ion, calix[4]-bis-azacrown-5 showed about 20 times more sensitive than calix[4]-mono-azacrown-5 because the source of the binding selectivity comes from the calixarene framework and azacrown ligand by controlling the fluorescence and PET mechanisms associated with the amine moiety.

AB - Two novel calixarene-based fluoroionophores were synthesized. Their conformations were confirmed to 1,3-alternate by X-ray crystal structures. From CHEF by blocking the PET mechanism in fluorescence spectra, we observed In3+ and Pb2+ion selectivity over other metal ions. For In3+ion, calix[4]-bis-azacrown-5 showed about 20 times more sensitive than calix[4]-mono-azacrown-5 because the source of the binding selectivity comes from the calixarene framework and azacrown ligand by controlling the fluorescence and PET mechanisms associated with the amine moiety.

KW - Calixarenes

KW - Complexation

KW - Conformation

KW - Fluorescence

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JO - Bulletin of the Korean Chemical Society

JF - Bulletin of the Korean Chemical Society

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IS - 11

ER -

N-anthracenylmethyl calix[4]azacrowns as new fluorescent ionophores

Abstract

Keywords

ASJC Scopus subject areas

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