0000000001313221

AUTHOR

Robert Pal

showing 4 related works from this author

On the Antibacterial Activity of Azacarboxylate Ligands: Lowered Metal Ion Affinities for Bis-amide Derivatives of EDTA do not mean Reduced Activity.

2018

EDTA is widely used as an inhibitor of bacterial growth, affecting the uptake and control of metal ions by microorganisms. We describe the synthesis and characterisation of two symmetrical bis-amide derivatives of EDTA, featuring glycyl or pyridyl substituents: AmGly2 and AmPy2 . Metal ion affinities (logK) have been evaluated for a range of metals (Mg2+ , Ca2+ , Fe3+ , Mn2+ , Zn2+ ), revealing less avid binding compared to EDTA. The solid-state structures of AmGly2 and of its Mg2+ complex have been determined crystallographically. The latter shows an unusual 7-coordinate, capped octahedral Mg2+ centre. The antibacterial activities of the two ligands and of EDTA have been evaluated against …

0301 basic medicineStaphylococcus aureusMetal ions in aqueous solution030106 microbiologyBacterial growthmedicine.disease_causeLigandsMedicinal chemistryCatalysisMetal03 medical and health scienceschemistry.chemical_compoundAmidemedicineEscherichia coliEscherichia coliIonsChemistryLigandOrganic ChemistryGeneral ChemistryAmidesAnti-Bacterial Agents030104 developmental biologyMetalsvisual_artvisual_art.visual_art_mediumGrowth inhibitionAntibacterial activityChemistry (Weinheim an der Bergstrasse, Germany)
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CCDC 1814350: Experimental Crystal Structure Determination

2018

Related Article: Raminder S. Mulla, Marikka S. Beecroft, Robert Pal, Juan A. Aguilar, Javier Pitarch‐Jarque, Enrique García‐España, Elena Lurie‐Luke, Gary J. Sharples, J. A. Gareth Williams|2018|Chem.-Eur.J.|24|7137|doi:10.1002/chem.201800026

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameters22'-(ethane-12-diylbis((2-((carboxymethyl)amino)-2-oxoethyl)azaniumyl))diacetateExperimental 3D Coordinates
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CCDC 1814351: Experimental Crystal Structure Determination

2018

Related Article: Raminder S. Mulla, Marikka S. Beecroft, Robert Pal, Juan A. Aguilar, Javier Pitarch‐Jarque, Enrique García‐España, Elena Lurie‐Luke, Gary J. Sharples, J. A. Gareth Williams|2018|Chem.-Eur.J.|24|7137|doi:10.1002/chem.201800026

Space GroupCrystallographyCrystal SystemCrystal StructureCell Parameterstris(sodium) (58-bis(carboxylatomethyl)-310-dioxo-25811-tetraaza-dodecane-112-dicarboxylato)-aqua-magnesium(ii) nitrate heptahydrateExperimental 3D Coordinates
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CCDC 1814349: Experimental Crystal Structure Determination

2018

Related Article: Raminder S. Mulla, Marikka S. Beecroft, Robert Pal, Juan A. Aguilar, Javier Pitarch‐Jarque, Enrique García‐España, Elena Lurie‐Luke, Gary J. Sharples, J. A. Gareth Williams|2018|Chem.-Eur.J.|24|7137|doi:10.1002/chem.201800026

di-t-butyl 22'-(ethane-12-diylbis(benzylimino))diacetateSpace GroupCrystallographyCrystal SystemCrystal StructureCell ParametersExperimental 3D Coordinates
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