Bisnitronyl nitroxides bridged by tetra(ethyleneoxy) sensing metal ions spectroscopically and electrochemically

Authors :: Yu, Yanxin
Zhang, Deqing
Zhang, Guanxin
Wang, Zhiyong
Zhu, Daoben
Source :: Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry. May2006, Vol. 47 Issue 20, p3413-3417. 5p.
Publication Year :: 2006
Abstract: Abstract: Compound 1 containing two nitronyl nitroxide units bridged by tetra(ethyleneoxy) was designed and synthesized for sensing metal ions, by taking the features of nitronyl nitroxides: a chromophore showing absorption in visible range, reversible oxidation/reduction and coordination to metal ions. The absorption spectrum of 1 was altered markedly upon mixing with a few rare earth metal ions and some transition metal ions. Moreover, the oxidation potential of 1 was shifted to more positive range in the presence of metal ions including Pb2+, Ba2+, and Ca2+. Thus, compound 1 can sense metal ions both spectroscopically and electrochemically. [Copyright &y& Elsevier]

Subjects :: *IONS
*INTERMEDIATES (Chemistry)
*SOLUTION (Chemistry)
*NITROGEN oxides

Language :: English
ISSN :: 00404039
Volume :: 47
Issue :: 20
Database :: Academic Search Index
Journal :: Tetrahedron Letters: International Organ for the Rapid Publication of Preliminary Communications in Organic Chemistry
Publication Type :: Academic Journal
Accession number :: 20551184
Full Text :: https://doi.org/10.1016/j.tetlet.2006.03.061

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