Monometallic rhenium(I) complexes as sensor for anions

被引：23

作者：

Ramdass, Arumugam ^{[1
]}

Sathish, Veerasamy ^{[1
]}

Velayudham, Murugesan ^{[2
]}

Thanasekaran, Pounraj ^{[2
]}

Lu, Kuang-Lieh ^{[2
]}

Rajagopal, Seenivasan ^{[1
]}

机构：

[1] Madurai Kamaraj Univ, Sch Chem, Madurai 625021, Tamil Nadu, India

[2] Acad Sinica, Inst Chem, Taipei 115, Taiwan

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2013年 / 35卷

关键词：

Anions; Re(I) complexes; Colorimetric sensor; MOLECULAR RECOGNITION; NAKED-EYE; RECEPTORS; BINDING; UREA; FLUORIDE; THIOUREA; PHOTOPHYSICS; REDUCTION; CHARGE;

D O I：

10.1016/j.inoche.2013.06.024

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Three new tricarbonyl rhenium(l) polypyridine complexes containing amide, urea and thiourea derivatives of 2,2'-bipyridine ligands L1-L3 have been synthesized, characterized and found to show significant UV-visible absorption spectral changes on the addition of anions CN-, F-, CH3COO- and H2PO4-. These spectral changes and H-1 NMR titrations of complexes 1-3 with anions indicate strong binding of anions with the Re(I) complexes and the binding constants are in the range of 10(3)-10(5) M-1. The strong binding is attributed to the H-bond formation/deprotonation of - NH proton in the ligand and the selectivity of anion is in the order CN- > F- > CH3COO- > H2PO4-. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：186 / 191

页数：6

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