Biological activity and coordination modes of copper(II) complexes of Schiff base-derived coumarin ligands

被引:67
作者
Creaven, Bernadette Sarah [1 ,2 ]
Czegledi, Eszter [3 ]
Devereux, Michael [4 ]
Enyedy, Eva Anna [3 ]
Kia, Agnieszka Foltyn-Arfa [1 ,2 ]
Karcz, Dariusz [1 ,2 ]
Kellett, Andrew [4 ]
McClean, Siobhan [1 ,2 ]
Nagy, Nora Veronika [5 ]
Noble, Andy [7 ]
Rockenbauer, Antal [5 ]
Szabo-Planka, Terezia [6 ]
Walsh, Maureen [1 ,2 ]
机构
[1] Inst Technol Tallaght, Dept Sci, Dublin 24, Ireland
[2] Inst Technol Tallaght, Ctr Appl Sci & Hlth, Dublin 24, Ireland
[3] Univ Szeged, Dept Inorgan & Analyt Chem, Szeged, Hungary
[4] Focas Inst, Inorgan Pharmaceut & Biomimet Res Grp, Dublin 2, Ireland
[5] Hungarian Acad Sci, Chem Res Ctr, Inst Struct Chem, Budapest, Hungary
[6] Univ Szeged, Dept Phys Chem & Mat Sci, Szeged, Hungary
[7] Univ Otago, Dept Chem, Dunedin, New Zealand
基金
匈牙利科学研究基金会;
关键词
CELL-CYCLE EVENTS; ELECTRON-SPIN-RESONANCE; IN-VITRO ANTIBACTERIAL; RAY CRYSTAL-STRUCTURES; ANTIMICROBIAL ACTIVITY; CYTOTOXIC ACTIVITIES; EQUILIBRIA; ACID; DERIVATIVES; CONSTANTS;
D O I
10.1039/c0dt00068j
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The coordination modes of copper(II) complexes of Schiff base-derived coumarin ligands, which had previously shown good anti-Candida activity, were investigated by pH-potentiometric and UV-Vis spectroscopic methods. These studies confirmed the coordination mode of the ligands to be through the N of the imine and deprotonated phenol of the coumarin-derived ligand in solution. In addition, the more active complexes and their corresponding ligands were investigated in the presence of copper(II) in liquid and frozen solution by ESR spectroscopic methods. A series of secondary amine derivatives of the Schiff base ligands, were isolated with good solubility characteristics but showed little anti-Candida activity. However, cytotoxicity studies of the secondary amines, together with the copper complexes and their corresponding ligands, against human colon cancer and human breast cancer cells identified the chemotherapeutic potential of these new ligands.
引用
收藏
页码:10854 / 10865
页数:12
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