Synthesis, characterization and spectroscopic studies of two new schiff-base bithienyl pendant-armed 15-crown-5 molecular probes

被引：28
|
作者：
Pedras, Bruno [1 ]
Fernandes, Luz [1 ]
Oliveira, Elisabete [1 ]
Rodriguez, Laura [1 ,2 ]
Raposo, M. Manuela M. [3 ]
Luis Capelo, Jose [1 ,4 ]
Lodeiro, Carlos [1 ,5 ]
机构：
[1] Univ Nova Lisboa, Fac Ciencias & Tecnol, Dept Quim, REQUIMTE, P-2829516 Monte De Caparica, Portugal
[2] Univ Barcelona, Dept Quim Inorgan, E-08028 Barcelona, Spain
[3] Univ Minho, Ctr Quim, P-4710057 Braga, Portugal
[4] Univ Vigo, Fac Ciencias, Area Nutr & Bromatol, Vigo 32004, Spain
[5] Univ Vigo, Fac Ciencias, Area Quim Fis, Vigo 32004, Spain
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2009年 / 12卷 / 02期
关键词：
Nickel(II); Palladium(II); Mercury(II); Sodium(I); Bithiophene; Crown ether; Schiff base; Luminescence; CROWN-ETHER; METAL-IONS; PALLADIUM(II); DERIVATIVES; NICKEL(II); COMPLEXES; SENSORS; BINDING; LIGANDS;
D O I：
10.1016/j.inoche.2008.11.007
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two new ligands provided with a 15-crown-5 as a receptor unit and bithiophen unit as an emissive probe have been synthesized and characterized in order to evaluate the coordination capabilities and their sensor effect. Ligand L1 presents an aromatic crown ether moiety that is directly linked to the imine-2,2'-bithiophene pi-conjugated system. and ligand L2 is constituted by an aliphatic crown ether moiety that is linked to the same imine-2,2'-bithiophene system through a methylene unit. Solid metal complexes of Ni(II), Pd(II), Hg(II) and Na(I) have been synthesized using both macrocyclic compounds, and have been studied in solution in the presence of the same metal ions. All solid compounds have been characterized by common analytical and spectroscopic techniques. The sensorial effect has been studied using absorption, emission and MALDI-TOF-MS spectroscopies. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：79 / 85
页数：7
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