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Mixed ligand complexes with 2-piperidine-carboxylic acid as primary ligand and ethylene diamine, 2,2′-bipyridyl, 1,10-phenanthroline and 2(2′-pyridyl)quinoxaline as secondary ligands: preparation, characterization and biological activity

Transition Metal Chemistry (Impact Factor: 1.4). 32(6):769-775. DOI: 10.1007/s11243-007-0247-x

ABSTRACT Synthesis procedures are described for the new stable mixed ligand complexes, [Pd(Hpa)(pa)]Cl, [Pd(pa)(H2O)2]Cl, [Pd(pa)(en)]Cl, [Pd(pa)(bpy)]Cl, [Pd(pa)(phen)Cl], [Pd(pa)(pyq)Cl], cis-[MoO2(pa)2], [Ag(pa)(bpy)], [Ag(pa)(pyq)], trans-[UO2(pa)(pyq)](BPh4) and [ReO(PPh3)(pa)2]Cl (Hpa = 2-piperidine-carboxylic acid, en = ethylene diamine, bpy = 2,2′-bipyridyl, phen = 1,10-phenanthroline, pyq = 2(2′-pyridyl)quinoxaline).
Their elemental analyses, conductance, thermal measurements, Raman, IR, electronic, 1H-n.m.r. and mass spectra have been measured and discussed. 2-Piperidine-carboxylic acid and its palladium complexes have
been tested as growth inhibitors against Ehrlich ascites tumour cells (EAC) in Swiss albino mice.

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May 19, 2014