Issue 4, 2009
From the journal:

New Journal of Chemistry

Synthesis of calix[4]crowns containing soft and hard ion binding sites via click chemistry†

Junyan Zhan,a   Demei Tiana  and  Haibing Li*a  

* Corresponding authors

a Key Laboratory of Pesticide and Chemical Biology (CCNU), Ministry of Education, College of Chemistry, Central China Normal University, PR China
E-mail: lhbing@mail.ccnu.edu.cn
Tel: +86 27-67866423

Abstract

A series of triazole-modified calix[4]crowns, 3, containing hard and soft ion binding sites were synthesized in good yields via click chemistry. The hard and soft ion binding sites may selectively complex alkali metal or transition metal cations. Compound 3a shows good complex selectivity towards Pb2+ and 3c shows the highest Li+/K+ extraction ratio, suggesting that the triazole groups play an important role in metal ion binding.

Graphical abstract: Synthesis of calix[4]crowns containing soft and hard ion binding sites via click chemistry

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Article information

DOI
https://doi.org/10.1039/B816467C
Article type
Letter
Submitted
19 Sep 2008
Accepted
13 Nov 2008
First published
24 Nov 2008

New J. Chem., 2009,33, 725-728

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Synthesis of calix[4]crowns containing soft and hard ion binding sites via click chemistry

J. Zhan, D. Tian and H. Li, New J. Chem., 2009, 33, 725 DOI: 10.1039/B816467C

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