Research Grants 15/20302-7 - Química de coordenação, Anti-inflamatórios não esteroides - BV FAPESP
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Using non-steroidal antiinflammatory drugs, azanaphtalenes and phenazines as ligands for the development of bi- and trinuclear rutenium carboxylates with potential antialergic, tumoricide and tripanocide activities

Abstract

This proposal basically comprises the development (synthesis, characterization and other chemical investigations) of a new series of complexes of formula [Ru2O(carb)2(L)6]n (carb = nonsteroidal anti-inflammatory drugs and L = pyridine) and [Ru3O(CH3COO)6(L)2(L')]PF6 (L = pyridine ligands, solvent, phenazine or azanaphtalene ligands, and L' = CO or NO), in order to investigate and further develop their potential biological activities, namely anticancer activity, antiallergic activity and trypanocide activity.The synthesis of the new complexes will follow routes described in the literature by my own research group or by others, or through the development of new routes. The physical-chemical characterization will be performed by elemental analysis and by mass spectrometry, and by means of spectroscopic techniques such as electronic absorption and emission spectroscopy in the UV-visible region and absorption in the infrared region and nuclear magnetic resonance spectroscopy. Apart from these, it will also be performed electrochemical experiments such as cyclic and differential pulse voltammetry.In addition to the synthesis and physico-chemical characterization of the new series of complexes, it will also be investigated their interactions with molecules of biological relevance, namely DNA and human serum albumin. Interactions with DNA will be studied by electronic absorption spectroscopy and data processing will be done using the Benesi-Hildebrand model. Interactions with human serum albumin will be studied by electronic and fluorescence spectroscopy, and data processing will be performed using the Stern-Volmer model. (AU)

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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
VAIDERGORN, MIGUEL M.; CARNEIRO, ZUMIRA A.; LOPES, CARLA D.; DE ALBUQUERQUE, SERGIO; REIS, FELIPE C. C.; NIKOLAOU, SOFIA; E MELLO, JULIANA F. R.; GENESI, GIOVANI L.; TROSSINI, GUSTAVO H. G.; GANESAN, A.; et al. beta-amino alcohols and their respective 2-phenyl-N-alkyl aziridines as potential DNA minor groove binders. EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY, v. 157, p. 657-664, . (15/20302-7, 14/03812-9)
NEVES DA SILVA, CAMILA FONTES; POSSATO, BRUNA; FRANCO, LILIAN PEREIRA; BARBOSA RAMOS, LOYANNE CARLA; NIKOLAOU, SOFIA. The role of ancillary ligand substituents in the biological activity of triruthenium-NO complexes. Journal of Inorganic Biochemistry, v. 186, p. 197-205, . (14/25561-8, 15/20302-7)
POSSATO, BRUNA; CARNEIRO, ZUMIRA APARECIDA; DE ALBUQUERQUE, SERGIO; NIKOLAOU, SOFIA. New uses for old complexes: The very first report on the trypanocidal activity of symmetric trinuclear ruthenium complexes. Journal of Inorganic Biochemistry, v. 176, p. 156-158, . (13/18009-4, 15/20302-7)
MOREIRA, MARIETE B.; DA SILVA, CAMILA F. N.; PESCI, RAFAELA B. P.; DEFLON, VICTOR M.; NIKOLAOU, SOFIA. Revisiting oxo-centered carbonyl-triruthenium clusters: investigating CO photorelease and some spectroscopic and electrochemical correlations. DALTON TRANSACTIONS, v. 45, n. 42, p. 16799-16809, . (15/20302-7)
POSSATO, BRUNA; DEFLON, VICTOR M.; NAAL, ZEKI; FORMIGA, ANDRE L. B.; NIKOLAOU, SOFIA. An extended pi-system and enhanced electronic delocalization on symmetric [Ru3O(CH3COO)(6)(L)(3)](n) complexes combined with azanaphthalene ligands. DALTON TRANSACTIONS, v. 46, n. 24, p. 7926-7938, . (13/22127-2, 15/20302-7)
POSSATO, BRUNA; HAUCH CHRISPIM, PEDRO BRANCO; ALVES, JACQUELINE QUERINO; BARBOSA RAMOS, LOYANNE CARLA; MARQUES, ELISE; DE OLIVEIRA, ARTHUR CAVALCANTE; DA SILVA, ROBERTO SANTANA; BARBOZA FORMIGA, ANDRE LUIZ; NIKOLAOU, SOFIA. Anticancer activity and DNA interaction of ruthenium acetate clusters bearing azanaphthalene ancillary ligands. Polyhedron, v. 176, . (18/18060-3, 14/50906-9, 15/20302-7, 13/22127-2)

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