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Updated: Jun 6, 2026

Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
Published on: May 28, 2014
Tuning of lipophilicity and cytotoxic potency by structural variation of anticancer platinum(IV) complexes
Michael R Reithofer1, Anna K Bytzek, Seied M Valiahdi
1University of Vienna, Institute of Inorganic Chemistry, Waehringer Str. 42, A-1090 Vienna, Austria.
Abstract:
A series of bis(carboxylato)dichlorido(ethane-1,2-diamine)platinum(IV) compounds with IC(50) values ranging between 142 μM and 18 nM was investigated with respect to their lipophilicity (by the shake flask method as well as microemulsion electrokinetic chromatography), reduction potential, as well as their cellular accumulation in cancer cells in vitro. In general, the antiproliferative properties of the complexes correlated with their lipophilicity as well as their accumulation, whereas differences in antiproliferative potency could not be explained by reduction potentials since they do not vary significantly within the investigated series of compounds. Only minor effects for complexes featuring polar end groups were detected.
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