Diazo-coupled calix[4]arenes for qualitative analytical screening of metal ions

Tae Hyun Kim; Su Ho Kim; Le Van Tan; Yunyan Dong; Hasuck Kim; Jong Seung Kim

doi:10.1016/j.talanta.2007.10.033

Diazo-coupled calix[4]arenes for qualitative analytical screening of metal ions

Tae Hyun Kim, Su Ho Kim, Le Van Tan, Yunyan Dong, Hasuck Kim, Jong Seung Kim

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

23 Citations (Scopus)

Abstract

New chromogenic diazophenylcalix[4]arenes 1 and 2 were synthesized in cone conformation. Compound 1 with the ortho-carboxyl groups in CH₃CN solution preferentially binds with alkaline earth and transition metal ions, whereas no significant changes in absorption spectra are observed in the presence of alkali metal ions. While 2 with the ortho-ester groups shows selective complexation properties towards transition metal ions over alkali and alkaline earth metal ions. The detection of metal ions gives rise to bathochromic shifts in the absorption spectra (from orange/yellow to red), which is clearly visible even to the naked eye. According to the selective color changes using both receptors upon cation complexation, one can set up a qualitative analytical routine to screen alkali, alkaline earth, and transition metal ions.

Original language	English
Pages (from-to)	1654-1658
Number of pages	5
Journal	Talanta
Volume	74
Issue number	5
DOIs	https://doi.org/10.1016/j.talanta.2007.10.033
Publication status	Published - 2008 Feb 15

Bibliographical note

Funding Information:
This work was supported by the SRC program (JSK, R11-2005-008-02001-0(2007)) and Korea Research Foundation (no. 2005-C00101). Also HK acknowledges the financial support by the MOCIE through the Strategic National R&D Program on Nano Biochips in 2002 (M1-0213-05-0001) and the SRC program of MOST/KOSEF through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (R11-2005-008-00000-0).

Keywords

Calix[4]arenes
Chromoionophores
Complexation
Metal ion

ASJC Scopus subject areas

Analytical Chemistry

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10.1016/j.talanta.2007.10.033

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title = "Diazo-coupled calix[4]arenes for qualitative analytical screening of metal ions",

abstract = "New chromogenic diazophenylcalix[4]arenes 1 and 2 were synthesized in cone conformation. Compound 1 with the ortho-carboxyl groups in CH3CN solution preferentially binds with alkaline earth and transition metal ions, whereas no significant changes in absorption spectra are observed in the presence of alkali metal ions. While 2 with the ortho-ester groups shows selective complexation properties towards transition metal ions over alkali and alkaline earth metal ions. The detection of metal ions gives rise to bathochromic shifts in the absorption spectra (from orange/yellow to red), which is clearly visible even to the naked eye. According to the selective color changes using both receptors upon cation complexation, one can set up a qualitative analytical routine to screen alkali, alkaline earth, and transition metal ions.",

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author = "Kim, {Tae Hyun} and Kim, {Su Ho} and {Van Tan}, Le and Yunyan Dong and Hasuck Kim and Kim, {Jong Seung}",

note = "Funding Information: This work was supported by the SRC program (JSK, R11-2005-008-02001-0(2007)) and Korea Research Foundation (no. 2005-C00101). Also HK acknowledges the financial support by the MOCIE through the Strategic National R&D Program on Nano Biochips in 2002 (M1-0213-05-0001) and the SRC program of MOST/KOSEF through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (R11-2005-008-00000-0).",

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doi = "10.1016/j.talanta.2007.10.033",

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AU - Kim, Tae Hyun

AU - Kim, Su Ho

AU - Van Tan, Le

AU - Dong, Yunyan

AU - Kim, Hasuck

AU - Kim, Jong Seung

N1 - Funding Information: This work was supported by the SRC program (JSK, R11-2005-008-02001-0(2007)) and Korea Research Foundation (no. 2005-C00101). Also HK acknowledges the financial support by the MOCIE through the Strategic National R&D Program on Nano Biochips in 2002 (M1-0213-05-0001) and the SRC program of MOST/KOSEF through the Center for Intelligent Nano-Bio Materials at Ewha Womans University (R11-2005-008-00000-0).

PY - 2008/2/15

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N2 - New chromogenic diazophenylcalix[4]arenes 1 and 2 were synthesized in cone conformation. Compound 1 with the ortho-carboxyl groups in CH3CN solution preferentially binds with alkaline earth and transition metal ions, whereas no significant changes in absorption spectra are observed in the presence of alkali metal ions. While 2 with the ortho-ester groups shows selective complexation properties towards transition metal ions over alkali and alkaline earth metal ions. The detection of metal ions gives rise to bathochromic shifts in the absorption spectra (from orange/yellow to red), which is clearly visible even to the naked eye. According to the selective color changes using both receptors upon cation complexation, one can set up a qualitative analytical routine to screen alkali, alkaline earth, and transition metal ions.

AB - New chromogenic diazophenylcalix[4]arenes 1 and 2 were synthesized in cone conformation. Compound 1 with the ortho-carboxyl groups in CH3CN solution preferentially binds with alkaline earth and transition metal ions, whereas no significant changes in absorption spectra are observed in the presence of alkali metal ions. While 2 with the ortho-ester groups shows selective complexation properties towards transition metal ions over alkali and alkaline earth metal ions. The detection of metal ions gives rise to bathochromic shifts in the absorption spectra (from orange/yellow to red), which is clearly visible even to the naked eye. According to the selective color changes using both receptors upon cation complexation, one can set up a qualitative analytical routine to screen alkali, alkaline earth, and transition metal ions.

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KW - Metal ion

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Diazo-coupled calix[4]arenes for qualitative analytical screening of metal ions

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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