Preparation and characterization of meridional isomers of uns-cis-(ethylenediamine-N,N'-di-3-propionato)cobalt(III) complexes with some β-amino acids
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The meridional geometrical isomers of uns-cis-(ethylenediamine-N,N ′-di-3-propionato)cobalt(III) complexes with anions of β-alanine, β-amino-buteric and β-amino-isobuteric acids were prepared in the reaction of sodium uns-cis-ethylenediamine-N,N ′-di-3-propionato)-(carbonato)cobaltate(III) with the corresponding amino acid at 15°C. The complexes were isolated chromatographically and characterized by elemental ana ysis, electron absorption and infrared spectra.