Publication: A new heteroditopic receptor and sensor highly selective for bromide in the presence of a bound cation
Issued Date
2005-04-18
Resource Type
ISSN
00404039
Other identifier(s)
2-s2.0-15944373524
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Mahidol University
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SCOPUS
Bibliographic Citation
Tetrahedron Letters. Vol.46, No.16 (2005), 2765-2769
Suggested Citation
Chomchai Suksai, Punnee Leeladee, Disyaphong Jainuknan, Thawatchai Tuntulani, Nongnuch Muangsin, Orawon Chailapakul, Palangpol Kongsaeree, Chavang Pakavatchai A new heteroditopic receptor and sensor highly selective for bromide in the presence of a bound cation. Tetrahedron Letters. Vol.46, No.16 (2005), 2765-2769. doi:10.1016/j.tetlet.2005.02.156 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/16359
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Title
A new heteroditopic receptor and sensor highly selective for bromide in the presence of a bound cation
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Abstract
The heteroditopic receptor 2 containing a crown ether and amidoferrocence groups was synthesized and the binding abilities with various anions are reported in the presence and absence of metal cations. In the presence of Na+, 2 showed positive co-operative binding towards Br-with the binding affinity Kass= 16,096 M-1. Therefore, receptor 2 showed a switched-on binding for Br-in the presence of Na+and a switched-off binding in the absence of Na+. Compound 2 was also found to sense Cl-and Br-electrochemically. © 2005 Elsevier Ltd. All rights reserved.