Synthesis and anticancer activity of silver(I)-N-heterocyclic carbene complexes derived from the natural xanthine products caffeine, theophylline and theobromine
A new library of silver(I)-N-heterocyclic carbene complexes prepared from the natural products caffeine, theophylline and theobromine is reported. The complexes have been fully characterised using a combination of NMR spectroscopy, mass spectrometry, elemental analysis and X-ray diffraction analysis...
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| Veröffentlicht in: | Dalton transactions : an international journal of inorganic chemistry 2015-04, Vol.44 (16), p.7563-7569 |
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| container_issue | 16 |
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| container_title | Dalton transactions : an international journal of inorganic chemistry |
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| creator | Mohamed, Heba A Lake, Benjamin R M Laing, Thomas Phillips, Roger M Willans, Charlotte E |
| description | A new library of silver(I)-N-heterocyclic carbene complexes prepared from the natural products caffeine, theophylline and theobromine is reported. The complexes have been fully characterised using a combination of NMR spectroscopy, mass spectrometry, elemental analysis and X-ray diffraction analysis. Furthermore, the hydrophobicity of the complexes has been measured. The silver(I)-N-heterocyclic carbenes have been evaluated for their antiproliferative properties against a range of cancer cell lines of different histological types, and compared to cisplatin. The data shows different profiles of response when compared to cisplatin in the same panel of cells, indicating a different mechanism of action. Furthermore, it appears that the steric effect of the ligand and the hydrophobicity of the complex both play a role in the chemosensitivity of these compounds, with greater steric bulk and greater hydrophilicity delivering higher cytotoxicity. |
| doi_str_mv | 10.1039/c4dt03679d |
| format | Article |
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The complexes have been fully characterised using a combination of NMR spectroscopy, mass spectrometry, elemental analysis and X-ray diffraction analysis. Furthermore, the hydrophobicity of the complexes has been measured. The silver(I)-N-heterocyclic carbenes have been evaluated for their antiproliferative properties against a range of cancer cell lines of different histological types, and compared to cisplatin. The data shows different profiles of response when compared to cisplatin in the same panel of cells, indicating a different mechanism of action. 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| fulltext | fulltext |
| identifier | ISSN: 1477-9226 |
| ispartof | Dalton transactions : an international journal of inorganic chemistry, 2015-04, Vol.44 (16), p.7563-7569 |
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| source | MEDLINE; Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
| subjects | Antineoplastic Agents - chemical synthesis Antineoplastic Agents - chemistry Antineoplastic Agents - toxicity Biological Products - chemistry Caffeine - chemistry Cell Line, Tumor Cell Survival - drug effects Coordination Complexes - chemical synthesis Coordination Complexes - chemistry Coordination Complexes - toxicity Crystallography, X-Ray Drug Screening Assays, Antitumor Heterocyclic Compounds - chemistry Humans Hydrophobic and Hydrophilic Interactions Methane - analogs & derivatives Methane - chemistry Molecular Conformation Silver - chemistry Theobromine - chemistry Theophylline - chemistry Xanthine - chemistry |
| title | Synthesis and anticancer activity of silver(I)-N-heterocyclic carbene complexes derived from the natural xanthine products caffeine, theophylline and theobromine |
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