Issue 47, 2008
From the journal:

Dalton Transactions

A flexible 1,8-naphthyridyl derivative and its Zn(II) complexes: synthesis, structures, spectroscopic properties and recognition of Cd(II)†

Hui-Miao Zhang,ab   Wen-Fu Fu,*abc   Xin Gan,c   Yan-Qing Xu,d   Jun Wang,ab   Quan-Qing Xuab  and  Shao-Ming Chiab  

* Corresponding authors

a Key Laboratory of Photochemical Conversion and Optoelectronic Materials, TIPC CAS, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: wf_fu@yahoo.com.cn
Fax: +86 10 62554670
Tel: +86 10 82543520

b Graduate University of Chinese Academy of Sciences, Beijing, P. R. China

c College of Chemistry and Engineering, Yunnan Normal University, Kunming, P. R. China

d The Institute for Chemical Physics and Department of Chemistry, Beijing Institute of Technology, Beijing, P. R. China

Abstract

A flexible ligand bis(7-methyl-1,8-naphthyridine-2-ylamino)methane (L), having κ4-chelating and κ2-bridging modes, and its intriguing structural complexes of Zn(II) with μ-OH, κ1-OAc, μ-κ1-OAc and μ-κ2-OAc ligands, [Zn2(L)2(OH)](ClO4)3 (1), [Zn4(L)2(OAc)6(OH)2]·CH2Cl2 (2·CH2Cl2) and [Zn5(L)2(OAc)10]n·4nH2O (3·4H2O) were synthesized and their structures were determined by X-ray crystallography. These compounds exhibited intense blue fluorescent emissions with a λmax in the range of 380–410 nm in CH2Cl2, CH3CN and CH3OH solutions, and solid-state emissions centered at 416, 463, 490 and 451 nm were observed for the compounds L, 1, 2 and 3 at room temperature, respectively. The investigated fluorescence properties of L associated with various metal ions showed that the fluorescence enhancement of L with Cd(II) was more sensitive than with other interfering cations.

Graphical abstract: A flexible 1,8-naphthyridyl derivative and its Zn(II) complexes: synthesis, structures, spectroscopic properties and recognition of Cd(II)

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Article information

DOI
https://doi.org/10.1039/B809701A
Article type
Paper
Submitted
09 Jun 2008
Accepted
29 Aug 2008
First published
23 Oct 2008

Dalton Trans., 2008, 6817-6824

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A flexible 1,8-naphthyridyl derivative and its Zn(II) complexes: synthesis, structures, spectroscopic properties and recognition of Cd(II)

H. Zhang, W. Fu, X. Gan, Y. Xu, J. Wang, Q. Xu and S. Chi, Dalton Trans., 2008, 6817 DOI: 10.1039/B809701A

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