Juan M. Salas, Miguel Quirós, Mohammad Abul Haj, Rosa Magán, Clotilde Marín, Manuel Sáchez-Moreno, René Faure, "Activity of P
Activity of P
t(II) and R u(III) Triazolopyrimidine Complexes Against Parasites of the Genus Leishmania, Trypanosomas and Phytomonas
The synthesis and characterization of two Pt(II) Complexes with the isomeric ligands 4,5-dihydro-5-oxo- [1,2,4]triazolo-[ 1,5-a]pyrimidine (5HtpO) and 4,7-dihydro-7-oxo-[ 1,2,4]-triazolo-[ 1,5-a]pyrimidine (7HtpO) are described, as well as a Ru(III) complex with 7HtpO. The crystal structure of cis-[Pt(7Htp].2O has been solved by X-ray diffraction analysis. In vitro activity of the new isolated complexes against the epimastigote form of T. cruzi, procyclic form of T. b. brucei and promastigote form of L. donnovani and P. characias has also been studied. The three complexes markedly affect the growth of the parasites and none of them shows cytotoxicity against macrophage of the J774.2 line at the heaviest dosages used.
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