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Amide Coupling Reaction for the Synthesis of Bispyridine-based Ligands and Their Complexation to Platinum as Dinuclear Anticancer Agents
Published on: May 28, 2014
Synthesis, structural characterization, and antitumor activity of palladium(II) complexes containing a sugar unit
Izabela Brudziñska1, Yuji Mikata, Makoto Obata
1Division of Material Science, Graduate School of Humanities and Sciences, Nara Women's University, Nara 630-8506, Japan.
Abstract:
Six palladium(II) complexes as cisplatin derivatives with a sugar unit (D-glucose, D-galactose, D-mannose, D-xylose, and maltose) have been prepared. The structural features of the complexes have been characterized by NMR spectroscopy, elemental analysis, mass spectroscopy, and X-ray crystallography. The complexes have been tested for in vivo cytotoxicity against P388 cells implanted in mice. All of Pd compounds are apparently nontoxic. A T/C value of 120% was obtained for maltose derivative at the dose of 400 mg/kg, which indicates that the compound may be endowed with antitumor activity.
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Structural Isomerism
Isomers are different chemical species that have the same chemical formula. Structural isomerism of coordination compounds can be divided into two subcategories, the linkage isomers and coordination-sphere isomers.
Linkage isomers occur when the coordination compound contains a ligand that can bind to the transition metal center through two different atoms. For example, the CN− ligand can bind through the carbon atom or through the nitrogen atom. Similarly, SCN− can be...

