Cadmium(II) complexes: mimics of arganophosphate pesticide degrading enzymes and metallo-β-lactamases
Cadmium(II) complexes of ethyl 4-hydroxy-3,5-bis(((2-hydroxyethyl)(pyridin-2-ylmethyl)amino)methyl)benzoate (CO2EtH3L1) and ethyl 4-hydroxy-3,5-bis(((2-methoxyethyl)(pyridin-2-ylmethyl)amino)methyl)benzoate (CO2EtHL2) are described. The two ligands possess an ethyl ester (CO2Et-) at the position par...
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| Main Authors: | , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
July 3, 2012
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| In: |
Inorganic chemistry
Year: 2012, Volume: 51, Issue: 14, Pages: 7669-7681 |
| ISSN: | 1520-510X |
| DOI: | 10.1021/ic300687y |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1021/ic300687y Verlag, Volltext: http://pubs.acs.org/doi/10.1021/ic300687y 
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| Author Notes: | Lena J. Daumann, Lawrence. R. Gahan, Peter Comba, and Gerhard Schenk |
| Summary: | Cadmium(II) complexes of ethyl 4-hydroxy-3,5-bis(((2-hydroxyethyl)(pyridin-2-ylmethyl)amino)methyl)benzoate (CO2EtH3L1) and ethyl 4-hydroxy-3,5-bis(((2-methoxyethyl)(pyridin-2-ylmethyl)amino)methyl)benzoate (CO2EtHL2) are described. The two ligands possess an ethyl ester (CO2Et-) at the position para to the phenolic −OH; CO2EtHL2, with methyl ether donors in contrast to potentially nucleophilic alkoxide donors in CO2EtH3L1, offers a direct comparison of potential ligand-centered nucleophiles. The complex with CO2EtH3L1 was characterized using 1H and 13C NMR spectroscopy, mass spectrometry and microanalysis; X-ray crystallography defined a tetranuclear structure [Cd4(CO2EtH2L1)2(CH3COO)3.75Cl0.25(H2O)2](PF6)2. Functional studies of the cadmium(II) complexes were undertaken with the substrates bis(2,4-dinitrophenyl)phosphate (BDNPP), and nitrocefin to assess their phosphatase and β-lactamase activities, 2.1 mM respectively. |
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| Item Description: | Gesehen am 15.08.2018 |
| Physical Description: | Online Resource |
| ISSN: | 1520-510X |
| DOI: | 10.1021/ic300687y |