A binuclear Zn(II)-Zn(II) complex from a 2-hydroxybenzohydrazide-derived Schiff base for selective detection of pyrophosphate.

A binuclear Zn(II)-Zn(II) complex from a 2-hydroxybenzohydrazide-derived Schiff base for selective detection of pyrophosphate.
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DOI:
10.1039/c4dt01799d
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发表时间:
2014-10-07
期刊:
Dalton transactions (Cambridge, England : 2003)
影响因子:
--
通讯作者:
Pang Y
Pang Y
中科院分区:
其他
文献类型:
--
作者:
Wang J;Liu B;Liu X;Panzner MJ;Wesdemiotis C;Pang Y

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A hydroxybenzohydrazide-based Schiff base ligand was conveniently synthesized. Upon addition of Zn2+ cation, the ligand exhibited a high tendency to form a binuclear structure with a 2:2 ligand-to-zinc ratio, which was accompanied with a large fluorescence turn-on (λem = 507 nm, ϕfl ≈ 0.28). The reactivity of zinc complex was examined by using different phosphate anions, which reveals a higher response to acid pyrophosphate anion. Detailed spectroscopic studies revealed that the pyrophosphate response is based on the ligand displacement mechanism.
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