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Thermal behaviour of platinum(II) complexes of diethyl and monoethyl 2-quinolylmethylphosphonates

Thermal study of the molecular and ionic platinum(II) complexes of diethyl (2­dqmp) and monoethyl (2­Hmqmp) ester of 2­quinolylmethylphosphonic acid: dihalide adducts trans­PtL2X2 (L = 2­dqmp, X = Cl, Br ; L = 2­Hmqmp, X = Cl), methylquinolinium tetrahaloplatinates [LH+]2[PtX42­] (L = 2­dqmp, X = Cl, Br ; L = 2­Hmqmp, X = Cl, Br), methylquinolinium hexahalodiplatinates [LH+]2[Pt2X62­] (L = 2­Hmqmp, X = Cl, Br) and chelate complex Pt(2­mqmp)2.2H2O, has been carried out using TG-DTA techniques and the infrared spectroscopic study. There are great differences in the thermal behaviour between various types of complexes, especially between the molecular and the ion-pair salt complexes.

platinum(II) complex; quinoline complex phosphonate complex; thermal decomposition

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