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Novel 2,2 '-bipyridine-modified calix[4]arenes: ratiometric fluorescent chemosensors for Zn2+ ion
- Authors
- Zhang, Jun Feng; Bhuniya, Sankarprasad; Lee, Young Hoon; Bae, Changwan; Lee, Joung Hae; Kim, Jong Seung
- Issue Date
- 21-7월-2010
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Chemosensor; Zinc; Bipyridine; Calixarenes; Ratiometric
- Citation
- TETRAHEDRON LETTERS, v.51, no.29, pp.3719 - 3723
- Indexed
- SCIE
SCOPUS
- Journal Title
- TETRAHEDRON LETTERS
- Volume
- 51
- Number
- 29
- Start Page
- 3719
- End Page
- 3723
- ISSN
- 0040-4039
- Abstract
- Two calix[4]arene derivatives with modified bipyridine as binding sites have been designed and synthesized. Compounds 1 and 2 are the first 2,2'-bipyridine-modified calix[4]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. (C) 2010 Elsevier Ltd. All rights reserved.
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