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Reactivity of propylimidazole platinum complexes in water-methanol systems

✍ Scribed by E. Kalecińska; J. Kaleciński; J. Kuduk-Jaworska

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
212 KB
Volume
47
Category
Article
ISSN
0969-806X

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✦ Synopsis

The radiation reduction of platinum complexes Pt(PIA)2 (214 and Pt(PIA)2 C12, in methanol and aqueous methanol solutions have been examined. The intermediate oxidation states Pt(IIl) and Pt(I) have been identified by ESR in solid state. The yields of Pt(I) depend on the kind of halide ions in the complex. The corresponding rate constants of reactions between the complexes and e~ojv have been determined by pulse radiolysis. The attempts to determine the rate constants of scavenging of oxidizing radicals by the complexes using pNDA as the competitive scavenger were unsuccessful because of the low corresponding rate constants and the secondary processes of pNDA incorporation into the complexes.

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