Now showing items 1-16 of 16

    • Castro, Diego; Boiani, Lucía; Benítez, Diego; Hernández, Paola; Merlino, Alicia; Gil, Carmen; Olea Azar, Claudio; González, Mercedes; Cerecetto, Hugo; Porcal, Williams (ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER, 2009-12)
      Hybrid vinylthio-, vinylsulfinyl-, vinylsulfonyl- and vinylketo-benzofuroxans developed as anti-trypanosomatid agents, against Trypanosoma cruzi and Leishmania spp., have showed low micromolar IC50 values. The synthetic ...
    • Rodríguez Borges, Jorge; Olea Azar, Claudio; Barriga, Germán; Folch, Christian; Gerpe, Alejandra; Cerecetto, Hugo; González, Mercedes (PERGAMON-ELSEVIER SCIENCE LTD, 2008-08)
      Cyclic voltammetry and electron spin resonance techniques were used in the investigation of novel 3-alkoxy- and 3-hydroxy-1-[omega-(dialkylamino)alkyl]-5-nitroindazole derivatives. A self-protonation process involving the ...
    • Pagano, Mariana; Demoro, Bruno; Toloza, Jeannette; Boiani, Lucía; González, Mercedes; Cerecetto, Hugo; Olea Azar, Claudio; Norambuena, Ester; Gambino, Dinorah; Otero, Lucía (ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER, 2009-12)
      In the search of new therapeutic tools for the treatment of American Trypanosomiasis, the largest parasitic disease burden in the American continent, three series of novel ruthenium complexes of the formula [RuCl2(HL)(2)], ...
    • Olea Azar, Claudio; Cerecetto, Hugo; Gerpe, Alejandra; González, Mercedes; Arán, Vicente J.; Rigol Olsen, Carolina; Opazo, Lucía (PERGAMON-ELSEVIER SCIENCE LTD, 2006-01)
      The electrochemistry of 3-alkoxy- and 3-hydroxy-1-[(omega-(dialkylamino)alkyl]-5-nitroindazole derivatives were characterized using cyclic voltammetry in DMSO. The nitro reduction process was studied and this was affected ...
    • Porcal, Williams; Hernández, Paola; González, Mercedes; Ferreira, Ana; Olea Azar, Claudio; Cerecetto, Hugo; Castro, Ana (American Chemical Society, 2008-09)
      New 1,2,4-thiadiazolylnitrones and furoxanylnitrones were developed and evaluated as neuroprotective agents on a human neuroblastoma (SH-SY5Y) cells model. They inhibited at low micromolar concentrations the oxidative ...
    • Gerpe, Alejandra; Aguirre, Gabriela; Boiani, Lucía; Cerecetto, Hugo; González, Mercedes; Olea Azar, Claudio; Rigol Olsen, Carolina; Maya Arango, Juan; Morello Casté, Antonio; Piro, Oscar E.; Arán, Vicente J.; Azqueta, Amaia; López de Ceráin, Adela; Monge, Antonio; Rojas, María Antonieta; Yaluff, Gloria (PERGAMON-ELSEVIER SCIENCE LTD, 2006-05-15)
      A series of indazole N-oxide derivatives have been synthesized and their antichagasic and leishmanocidal properties studied. 3-Cyano-2-(4-iodophenyl)-2H-indazole N-1-oxide exhibited interesting antichagasic activity on the ...
    • Barriga, Germán; Olea Azar, Claudio; Norambuena, Ester; Castro, Ana; Porcal, Williams; Gerpe, Alejandra; González, Mercedes; Cerecetto, Hugo (ELSEVIER, 2010)
      A new series of heteroaryl nitrones, 1–7, bearing furoxanyl and thiadiazolyl moieties, were evaluated for their free radical-trapping properties. The physicochemical characterization by electron paramagnetic resonance ...
    • Rodríguez Borges, Jorge; Arán, Vicente J.; Boiani, Lucía; Olea Azar, Claudio; Lavaggi, María Laura; González, Mercedes; Cerecetto, Hugo; Diego Maya, Juan; Carrasco Pozo, Catalina; Speisky Cosoy, Hernán (PERGAMON-ELSEVIER SCIENCE LTD, 2009-12-15)
      New 5-nitroindazole derivatives were developed and their antichagasic properties studied. Eight compounds (14-18, 20, 26 and 28) displayed remarkable in vitro activities against Trypanosoma cruzi (T. cruzi). Its unspecific ...
    • Porcal, Williams; Hernández, Paola; Boiani, Lucía; Boiani, Mariana; Ferreira, Ana; Chidichimo, Agustina; Cazzulo, Juan J.; Olea Azar, Claudio; González, Mercedes; Cerecetto, Hugo (Elsevier Ltd, 2008-07)
      Hybrid compounds containing hydrazones and benzofuroxan pharmacophores were designed as potential Trypanosoma cruzi-enzyme inhibitors. The majority of the designed compounds was successfully synthesized and biologically ...
    • Otero, Lucía; Aguirre, Gabriela; Boiani, Lucía; Denicola, Ana; Rigol Olsen, Carolina; Olea Azar, Claudio; Maya Arango, Juan; Morello Casté, Antonio; González, Mercedes; Gambino, Dinorah; Cerecetto, Hugo (ELSEVIER, 2006-11)
      Rhenium and ruthenium complexes of the type [(ReOCl2)-O-V(PPh3)L] and [(RuC2)-C-II(DMSO)(2)L], where L are 5-nitroftitylsemicarbazone derivatives, were prepared in an effort to obtain new anti-trypanosomal agents combining ...
    • Otero, Lucía; Vieites, Marisol; Boiani, Lucía; Denicola, Ana; Rigol Olsen, Carolina; Opazo, Lucía; Olea Azar, Claudio; Maya Arango, Juan; Morello Casté, Antonio; Krauth Siegel, R. Luise; Piro, Oscar E.; Castellano, Eduardo; González, Mercedes; Gambino, Dinorah; Cerecetto, Hugo (AMER CHEMICAL SOC, 2006-06-01)
      In the search for new therapeutic tools against American Trypanosomiasis palladium complexes with bioactive nitrofuran-containing thiosemicarbazones as ligands were obtained. Sixteen novel palladium (II) complexes with the ...
    • Olea Azar, Claudio; Rigol Olsen, Carolina; Mendizábal Emaldía, Fernando; Cerecetto, Hugo; Di Maio, R.; González, Mercedes; Porcal, Williams; Morello Casté, Antonio; Repetto Scaramelli, Yolanda; Maya Arango, Juan (BENTHAM SCIENCE PUBL LTD., 2005-06)
      In order to gain inside the mechanism of action of a series of benzo[1,2-c]1,2,5-oxadiazole N-oxide derivatives with in vitro anti-trypanosomal activity, electrochemical and biological studies were performed. Cyclic ...
    • Vieites, Marisol; Otero, Lucía; Santos, Diego; Toloza, Jeannette; Figueroa, Roberto; Norambuena, Ester; Olea Azar, Claudio; Aguirre, Gabriela; Cerecetto, Hugo; González, Mercedes; Morello Casté, Antonio; Maya Arango, Juan; Garat, Beatriz; Gambino, Dinorah (ELSEVIER SCIENCE INC, 2008-05)
      In the search for new therapeutic tools against Chagas’ disease (American Trypanosomiasis) two series of new platinum(II) complexes with bioactive 5-nitrofuryl containing thiosemicarbazones as ligands were synthesized, ...
    • Vieites, Marisol; Smircich, Pablo; Parajón Costa, Beatriz; Rodríguez Borges, Jorge; Galaz, Verónica; Olea Azar, Claudio; Otero, Lucía; Aguirre, Gabriela; Cerecetto, Hugo; González, Mercedes; Gómez Barrio, Alicia; Garat, Beatriz; Gambino, Dinorah (SPRINGER, 2008-06)
      In the search for new therapeutic tools against Chagas disease (American trypanosomiasis) palladium and platinum complexes of the bioactive ligand pyridine-2- thiol N-oxide were exhaustively characterized and evaluated in ...
    • Fernández, Luciana A.; Santo, Marisa R.; Reta, Mario; Giacomelli, Liliana; Cattana, Rosa; Silber, Juana J.; Risso, Mariela; Cerecetto, Hugo; González, Mercedes; Olea Azar, Claudio (MOLECULAR DIVERSITY PRESERVATION INTERNATIONAL, 2005-09)
      The relationship between the herbicidal activity of a number of novel 1,2,5- oxadiazole N-oxides and some physicochemical properties potentially related with this bioactivity, such as polarity, molecular volume, proton ...
    • Barriga González, Germán; Olea Azar, Claudio; Zúñiga López, María C.; Folch Cano, Christian; Aguilera Venegas, Benjamín; Porcal, Williams; González, Mercedes; Cerecetto, Hugo (Bentham Science Publ, 2015)
      Electron spin resonance (ESR), called also electron paramagnetic resonance (EPR) together with the spin trapping technique, has allowed us to study and understand how free radicals are involved in various pathologies. In ...