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The thermal study of palladium(II) complexes of monoethyl 2-quinolylmethylphosphonate (CROSBI ID 85539)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Tušek-Božić, Ljerka ; Trojko, Rudolf The thermal study of palladium(II) complexes of monoethyl 2-quinolylmethylphosphonate // Thermochimica acta, 339 (1999), 1-2; 41-45-x

Podaci o odgovornosti

Tušek-Božić, Ljerka ; Trojko, Rudolf

engleski

The thermal study of palladium(II) complexes of monoethyl 2-quinolylmethylphosphonate

Thermal study (TG, DTA) of the palladium(II) complexes of monoethyl 2-quinolymethylphosphonate (2-mqmp): neutral dihalide adducts Pd(2-mqmp)_2X_2, ion-pair salt complexes [2-Hmqmp] ^+ [Pd(2-mqmp)X_3] ^- (X=Cl, Br) and chelate dihydrate Pd(2-mqmp-H)_2 2H_2O, has been carried out in order to determine decomposition properties of these biologically interesting complex compounds. Thermal decomposition of the complexes occurs in two steps: dehalogenation along with ligand deesterification is followed by complex pyrolysis that leads to the residue identified as a mixture of the metallic Pd and P_2O_2, what was confirmed by the infrared spectroscopic study. No stable intermediate products, except the corresponding anhydrous complex in the case of chelate compound, were found during the thermal decomposition due to the complexity and the overlap of the degradation processes. The results obtained were compared with those obtained for the complexes of diethyl 2-quinolylmethylphosphonate and discussed with respect to their cytostatic activity

palladium(II) complex; phosphonate complex; thermal decomposition; quinoline complex; DTA

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Podaci o izdanju

339 (1-2)

1999.

41-45-x

objavljeno

0040-6031

Povezanost rada

Kemija

Indeksiranost