The synthesis and complexation of novel azosubstituted calix[4]arenes and thiacalix[4]arenes

被引：27

作者：

Lang, Kamil ^{[1
]}

Proskova, Petra ^{[1
]}

Kroupa, Jan ^{[2
]}

Moravek, Jiri ^{[2
]}

Stibor, Ivan ^{[2
]}

Pojarova, Michaela ^{[2
]}

Lhotak, Pavel ^{[2
]}

机构：

[1] Acad Sci Czech Republ, Inst Inorgan Chem, VVI, CZ-25068 Rez, Czech Republic

[2] Inst Chem Technol, Dept Organ Chem, CR-16628 Prague 6, Czech Republic

来源：

DYES AND PIGMENTS | 2008年 / 77卷 / 03期

关键词：

calix[4]arene; thiacalix[4]arene; alkylation; cation complexation; UV-vis titration;

D O I：

10.1016/j.dyepig.2007.09.005

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Novel calix[4]arene/thiacalix[4]arene derivatives bearing arylazo moieties were prepared via a diazo-coupling reaction, Subsequent alkylation with ethyl bromoacetate via the template effect of alkali metal carbonates resulted in arylazo substituted calix[4]arene/thiacalix[4]arene tetraacetates. UV-vis spectroscopy revealed that in terms of their binding affinity towards alkali metal cations, the tetraacetate derivative displayed considerable selectivity for sodium cations (K-Na+/K-K+ > 100, KNa+/K-Li > 175). (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：646 / 652

页数：7

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