Novel 2,2′-bipyridine-modified calix[4]arenes: ratiometric fluorescent chemosensors for Zn ion |
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| Authors: | Jun Feng Zhang Young Hoon Lee Joung Hae Lee Jong Seung Kim |
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| Institution: | a Department of Chemistry, Korea University, Seoul 130-701, Republic of Korea
b Korea Research Institute of Standards and Science, Daejon 305-600, Republic of Korea |
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| Abstract: | Two calix4]arene derivatives with modified bipyridine as binding sites have been designed and synthesized. Compounds 1 and 2 are the first 2,2′-bipyridine-modified calix4]arene-based sensors that can detect Zn2+ selectively with respect to ratiometric fluorescent changes and red shift. A binuclear complex structure has been demonstrated in the binding modes of 1-Zn2+ and 2-Zn2+ complexes. |
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| Keywords: | Chemosensor Zinc Bipyridine Calixarenes Ratiometric |
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