Abstract
Mononuclear platinum(II) complexes of the hydrazides of aspartic and glutamic acids have been synthesized and studied. The 1:1 complexes are of the type [Pt(HL)Cl 2]·3H 2O, while the 1:2 complexes are [Pt(HL) 2]Cl 2·3H 2O. In DMF solutions the water molecules are substituted completely by DMF, while in 1:1 (v/v) water-DMF solutions complexes with one DMF and two water molecules are formed. The complexes are characterized using spectroscopic methods (IR, electronic spectra, ESCA), DTA, elemental analysis and titration curves, on the basis of which the ligands are thought to coordinate through the amino- and the hydrazide groups, the carboxylic one remaining deprotonated and non-coordinated.
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