Journal
JOURNAL OF INORGANIC BIOCHEMISTRY
Volume 93, Issue 3-4, Pages 181-189Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/S0162-0134(02)00571-8
Keywords
platinum(II) complexes; palladium(II) complexes; cytotoxic activity; nephrotoxicity
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This work reports on the synthesis, characterization and biological activity of new coordination compounds of the type [M(TSDTM)X-2] (M=Pt(II), Pd(II); X=Cl, Br; TSDTM=ter-butylsarcosine(S-methyl)dithiocarbamate) and [Pd(TSDT)X](n) (TSDT=ter-butylsarcosinedithiocarbamate) in order to study their behavior as potential antitumor agents. All the synthesized compounds were characterized by means of elemental analysis, Fr-IR, H-1 and C-13-NMR spectroscopy and thermogravimetric analysis, suggesting a chelate S,S' structure of the TSDTM/TSDT ligand in a square-planar geometry. Finally, the synthesized complexes have been tested for in vitro cytotoxic activity against human leukemic HL60 and adenocarcinoma HeLa cells; the most active compound [Pt(TSDTM)Br-2], characterized by IC50 values very similar to those of the reference compound (cisplatlin), was also tested for in vitro nephrotoxicity showing a very low renal cytotoxicity as compared to cisplatin itself. (C) 2002 Elsevier Science Inc. All rights reserved.
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