Dr. Oscar Piro
Investigador PUE
Dr. Oscar E. Piro
Investigador Superior Contratado CONICET (link)
contacto: piro@fisica.unlp.edu.ar
Temas de interés:
- Estructura de sólidos, por métodos de difracción de rayos-X, y propiedades físico-químicas y espectroscópicas de materiales inorgánicos, orgánicos, metal-orgánicos, supra-moleculares, farmacológicos (naturales y sintéticos), minerales y cristales líquidos.
Actividades docentes:
- Profesor Titular, Facultad de Cs Exactas, UNLP
Primer Semestre: Física General (Cs. Naturales y Museo)
Publicaciones recientes:
- Structural and IR-spectroscopic characterization of pyridinium acesulfamate, a monoclinic twin
E.J. Baran, O.E. Piro, G.A. Echeverría, B.S. Parajón-Costa
Zeitschrift für Naturforschung b (2018), in press. - Azilsartan and its Zn(II) complex. Synthesis, anticancer mechanisms of action and binding to bovine serum albumin
V.R. Martínez, M.V. Aguirre, J.S. Todaro, O.E. Piro, G.A. Echeverría, E.G. Ferrer, P.A.M. Williams
Toxicology in Vitro 48, 205–220 (2018). - Comparisons of the spectroscopic and microbiological activities among coumarin-3-carboxylate, o-phenanthroline and zinc(II) complexes
M.S. Islas, J.J. Martínez Medina, O.E. Piro, G.A. Echeverría, E.G. Ferrer, P.A.M. Williams
Spectrochimica Acta A 198, 212–221 (2018). - Crystal chemistry of organic minerals - salts of organic acids: the synthetic approach
O.E. Piro, E.J. Baran
Crystallography Reviews, 1-28 (2018), en prensa - Weak and strong hydrogen bonds conducting the supramolecular framework of 1-butyl-3-(1-naphthoyl) thiourea: crystal structure, vibrational studies, DFT methods, Pixel energies and Hirshfeld surface analysis
E. Contreras Aguilar, G.A. Echeverria, O.E. Piro, S.E. Ulic, J.L. Jios, M.E. Tuttolomondo, H. Pérez
Molecular Physics 116, 399-413 (2018). - A new perfluoromethyl aminoenone derivative and the role of the hydrogen bonding in the intra- and intermolecular interactions
M. Rocha, D. Mauricio Gil, G.A. Echeverría, O.E. Piro, J.Jios, S. Ulic
Journal of Fluorine Chemistry 208, 36–47 (2018). - Crystal structure and spectroscopic behaviour of synthetic novgorodovaite Ca2(C2O4)Cl2.2H2O and its twinned triclinic heptahydrate analogue
O.E. Piro, G.A. Echeverría, A.C. González-Baró, E.J. Baran
Physics and Chemistry of Minerals 45, 185-195 (2018). - Crystallography and the liquid crystal phase. A new approach to structural studies on a thermo-tropic smectic Schiff base
O.E. Piro, G.A. Echeverría, F.D. Cukiernik
Crytallography Reviews 24, 3-21 (2018). - Interaction of Zn with losartan. Activation of intrinsic apoptotic signaling pathway in lung cancer cells and effects on alkaline and acid phosphatases
V. Martínez, M.V. Aguirre, J.S. Todaro, O.E. Piro, G.A. Echeverría, L.G. Naso, E. Ferre, P.A.M. Williams
Biological Trace Element Research (2018), in the press. - The role of non-covalent interactions in some 2-trifluoromethylchromones in the solid state
C.D. Alcívar León, G.A. Echeverría, O.E. Piro, S.E. Ulic, J.L. Jios, J.A. Pereañez, I.C. Henao Castañeda, H. Pérez
New Journal of Chemistry 41, 14659–14674 (2017). - Structural and IR-Spectroscopic Characterization of Aqua Lithium Acesulfamate, an Outlier of the M(ace), M: Na+, K+, Rb+, Cs+, Isomorphic Series
O.E. Piro, G.A. Echeverría, B.S. Parajón-Costa & E.J. Baran
J. Chem. Crystallogr. 47, 226–232 (2017). - Structural and IR-Spectroscopic Characterization of Cadmium and Lead(II) Acesulfamates
G.A. Echeverría, O.E. Piro, B.S. Parajón-Costa, E.J. Baran
Z. Naturforsch. b 72(10), 739–745 (2017). - A detailed exploration of intermolecular interactions in 4-(4-dimethylaminobenzyl ideneamino)-N-(5-methyl-3-isoxazolyl)benzenesulfonamide and related Schiff bases: crystal structure, spectral studies, DFT methods, Pixel energies and Hirshfeld surface analysis
D.M. Gil, F.F. Salomón, G.A. Echeverría, O.E. Piro, H. Pérez, A. Ben Altabef
Spectrochimica Acta A 185, 286–297 (2017). - Evidence of promising biological-pharmacological activities of the sertraline-based copper complex: (SerH2)2[CuCl4]
N. Martini, J.E. Parente, M.E. Toledo, G.E. Escudero, C.H. Laino, J.J. Martínez Medina, G.A. Echeverría, O.E. Piro, L. Lezama, P.A.M. Williams, E.G. Ferrer
Journal of Inorganic Biochemistry 174, 76-89 (2017). - The Effect of Chalcogen Substitution on the Structure and Spectroscopy of 4,7-Dimethyl-2H-chromen-2-one/thione Analogues
Z.Y. Delgado Espinosa, Aamer Saeed, G.A. Echeverría, O.E. Piro, M.F. Erben
New Journal of Chemistry 41, 5770-5783 (2017). - A combined experimental and theoretical study of the supramolecular self-assembly of the natural benzopyran 2,2-dimethyl-3-hydroxy-6-acetyl-chromane and its isomeric benzofuran 10,11-dihydro-10-hydroxytremetone
D.M. Gil, E. Lizarraga, G.A. Echeverría, O.E. Piro, C.A.N. Catalán, A. Ben Altabef
Journal of Molecular Structure 1146, 164-178 (2017). - Supramolecular architectures in luminescent Zn(II) and Cd(II) complexes containing imidazole derivatives: Crystal structures, vibrational and thermal properties, Hirshfeld surface analysis and electrostatic potentials
A. Di Santo, G.A. Echeverría, O.E. Piro, H. Pérez, A. Ben Altabef, D.M. Gil
Journal of Molecular Structure 1134, 492-503 (2017). - Supramolecular self-assembly of a new multi-conformational Schiff base through hydrogen bonds: Crystal structure, spectroscopic and theoretical investigation
M. Rocha, A. Di Santo, G.A. Echeverría, O.E. Piro, F.D. Cukiernik, S.E. Ulic, D.M. Gil
Journal of Molecular Structure 1133, 24-36 (2017). - Synthesis and structural characterization of rhenium(I) tri-carbonyl complexes with β-carboline ligands. Evaluation of cellular uptake and citotoxicity
I. Maisulsl, E. Wolcan, O.E. Piro, E.E. Castellano, G. Petroselli, R. Erra-Balsells, F.M. Cabrerizo, G.T. Ruiz
Chemistry Select 2, 8666–8672 (2017). - Three New Thiosaccharin Derivatives Generated in a Complex Reaction System
G.A. Echeverría, O.E. Piro, J. Zinczuk, E.J. Baran
Journal Argentine Chemical Society 104(1), 1-10 (2017). - Zn(II) based novel potential drug containing sertraline as strong antidepressant agent
G.E. Escudero, C.H. Laino, N. Martini, G.A. Echeverría, O.E. Piro, P.A.M. Williams, E.G. Ferrer
Annals of Medicinal Chemistry and Research 3(1), 1017 (2017). - Synthesis and characterization of a series of isoniazid hydrazones. Spectroscopic and theoretical study
V. Ferraresi-Curotto, G.A. Echeverría, O.E. Piro, R.Pis-Diez, A.C. González-Baró
Journal of Molecular Structure 1133, 436-447 (2017). - Crystal structure and spectroscopic behavior of three new tris-oxalatoferrate(III) salts
O.E. Piro, G.A. Echeverría, R.C. Mercader, A.C. González-Baró, E.J. Baran
J. Coord. Chem. 69(24), 3715–3725 (2016). - Improving the antidepressant action and the bioavailability of sertraline by co-crystallization with coumarin 3-carboxylate. Structural determination
G.E. Escudero, C.H. Laino, G.A. Echeverría, O.E. Piro, N. Martini, A.N. Rodríguez, J.J. Martínez Medina, L.L López Tévez, E.G. Ferrer, P.A.M. Williams
Chemico-Biological Interactions 249, 46-55 (2016). - Centennial of X-ray diffraction: development of an unpromising experiment with a wrong explanation
O.E. Piro
Crystallography Reviews 22(03), 198-220 (2016). - Crystal and molecular structure and spectroscopic behavior of isotypic synthetic analogues of the oxalate minerals stepanovite and zhemchuzhnikovite
O.E. Piro, G.E. Echeverría, A.C. González-Baró, E.J. Baran
Physics and Chemistry of Minerals 43, 287–300 (2016). - Structural and IR-Spectroscopic Characterization of Magnesium Acesulfamate
O.E. Piro, G.A. Echeverría, B.S. Parajón-Costa, E.J. Baran,
Z. Naturforsch. b 71(1), 51–55 (2016) - The role of halogen C-X1∙∙∙X2-C contact on the preferred conformation of 2-Perhalomethylchromones in solid state
C.D. Alcivar Leon, G.A. Echeverria, O.E. Piro, S.E. Ulic, J.L. Jios, M. Paci Burgos, G.A. Arguello
Chem. Phys. 472, 142-155 (2016) - Structural, Spectroscopic and Theoretical Study of an o-vanillin Schiff base derivative involved in enol-imine and keto-amine tautomerism
R. Pis-Diez, G.A. Echeverría, O.E. Piro, B.S. Parajón Costa
New Journal of Chemistry 40, 2730-2740 (2016). - Norharmane ReI(CO)3(L)+ complexes, L=2,2-bipyridine or 1,10-phenanthroline: Synthesis, structural and spectroscopic characterization
I. Maisuls, E. Wolcan, O.E. Piro, G.A. Echeverría, G. Petroselli, R. Erra-Balsells, F.M. Cabrerizo, G.T. Ruiz
Dalton Transactions 44, 17064–17074 (2015). - Crystallographic new light on a old complex: NaMg[Cr(oxalate)3].9H2O and structure redetermination of the isomorphous aluminum(III) compound
O.E. Piro, G.A. Echeverría, A.C. González-Baró, E.J. Baran
J. Coord. Chem. 68, 3776–3787 (2015). - Biofilm inhibition by a new Mn(II) complex with Sulfamethoxazole: Synthesis, spectroscopic characterization and crystal structure
A. Di Santo, D.M. Gil, F. Pomiro, O.E. Piro, G.A. Echeverría, M.Arena, C. Luciardi, R.E. Carbonio, A. Ben Altabef
Inorg. Chim. Acta 436, 16-22 (2015) - Aromatic amine N-oxide metal complexes: searching for prospective agents against infectious diseases
E. Rodríguez Arce, M.F. Mosquillo, L. Pérez-Díaz, G.A. Echeverría, O.E. Piro, A. Merlino, L. Coitiño, C. Maríngolo Ribeiro, C.Q.F. Leite, F.R. Pavan, L. Otero, D. Gambino
Dalton Transactions 44, 14453-14464 (2015). - Tl2C2O4.H2C2O4, a new crystalline form of thallium(I) oxalate
O.E. Piro, G.A. Echeverría, A.C. González-Baró, E.J. Baran
Z. Naturforsch. 70(4)b, 249–252 (2015). - Synthesis, structural and spectroscopic characterization of thallium(I) acesulfamate
E.J. Baran, B.S. Parajón-Costa, G.A. Echeverría, O.E. Piro
Macedonian Journal of Chemistry and Chemical Engineering 34, 95-100 (2015). - Structural and spectroscopic characterization of isotypic sodium, rubidium and cesium acesulfamates
O.E. Piro, G.A. Echeverría, E.E. Castellano, B.S. Parajón-Costa, E.J. Baran
Z. Naturforsch. 70(7)b, 491-496 (2015). - A detailed experimental and theoretical study of two novel substituted trifluoromethyl chromones. The influence of the bulky bromine atom on the crystal packing
C.D. Alcívar León, G.A. Echeverría, O.E. Piro, S.E. Ulic, J.L. Jios
Spectrochim. Acta A 136, 1358–1370 (2015). - Crystal Structure, Spectroscopic and Thermal Properties of [Zn(Lap)2(DMF)(H2O)] and Isomorphous [M(Lap)2]n (M: Cd, Mn) Complexes
R.A. Farfán, J.A. Espíndola, M.I. Gómez, M.C.L. de Jiménez, O.E. Piro, E.E. Castellano, M.A. Martínez
J. Mol. Struct. 1087, 80–87 (2015). - Structural, spectroscopic and DFT study of 4-methoxybenzohylhydrazide Schiff bases. A new series of polyfunctional ligands
V. Ferraresi-Curotto, G.A. Echeverría, O.E. Piro, R. Pis-Diez, A.C. González-Baró
Spectrochim. Acta A 137, 692-700 (2015). - Ammonium, barium hexacyanoferrate(II) trihydrate: Synthesis, crystal structure, thermal decomposition and spectroscopic study
L. Medina Córdoba, G.A. Echeverría, O.E. Piro, M.I. Gómez
J. Thermal Analysis and Calorimetry Calorimetry 120, 1827–1834 (2015). - Calix[4]arene amine modified silica: From fundamentals to new recyclable materials for the removal of chlorophenoxy acids from water
A.F. Danil de Namor, J.A. Zvietcivich-Guerra, J.A. Villanueva Salas, O.E. Piro, O. Webb, A. El Gamouz, W.A. Hamdan, E.E. Castellano
RCS Advances 5, 33524-33535 (2015). - Antitumoral, antihypertensive, antimicrobial and antioxidant effects of a new octanuclear copper(II)-telmisartan complex with an hydrophobic nanometer hole
M.S. Islas, J.J. Martínez Medina, L.L. López Tévez, T. Rojo, L. Lezama, M. Griera Merino, L. Callero, M.A. Cortes, M. Rodriguez Puyol, G.A. Echeverría, O.E. Piro, E.G. Ferrer, P.A.M. Williams
Inorganic Chemistry 53, 5724-5737 (2014). - Structural, spectroscopic and theoretical studies on dixanthogens: (ROC(S)S)2, with R = n-propyl and isopropyl
L.C. Juncal, Y.A. Tobón, O.E. Piro, C.O. Della Védova, R.M. Romano
New Journal of Chemistry 38, 3708-3716 (2014) - Bioactivity of pyridine-2-thiol N-oxide metal complexes: Bi(III), Fe(III) and Ga(III) complexes as potent anti-Mycobacterium tuberculosis prospective agents
I. Machado, L.B. Marino, B. Demoro, G.A. Echeverría, O.E. Piro, C.Q.F. Leite, F.R. Pavan, D. Gambino
European Journal of Medicinal Chemistry 87, 267-273 (2014). - Crystal structure, vibrational and thermal behavior of Ba(NH4)[Co(CN)6]·4H2O: a new precursor for the synthesis of hexagonal BaCoO3
D.M. Gil, A. Di Santo, F. Pomiro, G.A. Echeverría, O.E. Piro, R.E. Carbonio, A. Ben Altabef
Polyhedron 73, 51–58 (2014). - Synthesis, crystal structure, conformational and vibrational properties of 6-acetyl-2,2-dimethyl-chromane
E. Lizarraga, D.M. Gil, G.A. Echeverría, O.E. Piro, C.A.N. Catalán, A. Ben Altabef
Spectrochim. Acta A 127, 74–84 (2014). - Synthesis and Characterization of Ammonium Acesulfamate
G.A. Echeverría, O.E. Piro, B.S. Parajón-Costa, E.J. Baran
Z. Naturforsch. 69b, 737–741 (2014). - Asymmetric construction of substituted pyrrolidines via 1,3-dipolar cycloaddition of azomethine ylides and chiral acrylates derived from biomass
D.F. Llompart, A.M. Sarotti, V. Corne, A.G. Suárez, R.A. Spanevello, G.A. Echeverría, O.E. Piro, E.E. Castellano
Tetrahedron Letters 15, 2394-2397 (2014). - Optimization of Anti-trypanosomatid Agents: Identification of Non-Mutagenic Drug Candidates with in vivo Activity
G. Álvarez, J. Varela, P. Márquez, M. Gabay, C.E, Arias Rivas, K. Cuchilla, G.A. Echeverría, O.E. Piro, M. Chorilli, S.M. Leal, P. Escobar, E. Serna, S. Torre, G. Yaluff, N. Vera de Bilbao, M. González, H. Cerecetto
Journal of Medicinal Chemistry 57, 3984-3999 (2014). - Infrared and Raman spectra of [Re(CN)5NO]3- complex isolated in KCl matrix
M.G. Verón, L.D. Castañeda Trujillo, O.E. Piro, J.A. Güida
Journal of Molecular Structure 1076, 160–164 (2014). - Theoretical and experimental study of a novel psolaren derivate: (E)-9-(3,4-dimethylpent-2-enyloxy)-7H-furo[3,2-g]chromen-7-one
S. Turbay, O.E. Piro, G.A. Echeverría, A. Navarro, M.P. Fernández-Liencres, M.E. Tuttolomondo, M. Fortuna
Spectrochim. Acta A 123, 71-77 (2014). - A serendipitous conversion in one step of 3H-1,2-dithiole-3-thione to (E)-3-[1-(alkylthio)alkylidene]-3H-1,2-dithiole: an experimental and theoretical study
M. Couto, M. Cabrera, G.A. Echeverría, O.E. Piro, M. González, H. Cerecetto
Molecular Diversity 18, 285-294 (2014). - An experimental and DFT study of a disulfide-linked Schiff base: synthesis, characterization and crystal structure of bis (3-methoxy-salicylidene-2-aminophenyl) disulfide in its anhydrous and monohydrate forms
V. Ferraresi-Curotto, G.A. Echeverría, O.E. Piro, R. Pis-Diez, A.C. González-Baró
Spectrochim. Acta A 118, 279-286 (2014). - Desarrollo y estudio de nuevos compuestos heterocíclicos no-tóxicos de bajo impacto ambiental y de sus aplicaciones tecnológicas
M.J. Banera, J.A. Caram, A.M. Gennaro, C.A. Grillo, O.E. Piro, M.V. Mirífico
J. Argent. Chem. Soc. 100, 53-60 (2013). - Vibrational and structural behavior of L- cysteine ethyl ester hydrochloride in the solid state and in aqueous solution
M.E. Defonsi Lestard, S.B. Díaz, M. Puiatti, G.A. Echeverría, O.E. Piro, A. Pierini, A. Ben Altabef, M.E. Tuttolomondo
J. Phys. Chem. A. 117, 14243-14252 (2013). - Conformational Transferability of the Sulfenyl Carbonyl Group –SC(O)– in Cyclic Thioesters
N.Y. Dugarte, M.F. Erben, E. Hey-Hawkins, P. Lönnecke, S. Stadlbauer, M.F. Ge, Y. Li, O.E. Piro, G.A. Echeverría, C.O. Della Védova
J. Phys. Chem. A. 117, 5706−5714 (2013). - Layered crystal structure, conformation ans vibrational properties of 2,2,2-trichloroethoxysulfonamide: an experimental and theoretical strudy
D.M. Gil, O.E. Piro, G.A. Echeverría, M.E. Tuttolomondo, A. Ben Altabef
Spectrochim. Acta A. 116, 122–131 (2013). - Oxidovanadium(IV) and dioxidovanadium(V) complexes of tridentate salicylaldehyde semicarbazones: searching for prospective anti-trypanosomal agents
M. Fernández, L. Becco, I. Correia, J. Benítez, O.E. Piro, G.A. Echeverria, A. Mederos, M. Comini, M.L. Lavaggi, M. González, H. Cerecetto, J. Costa Pessoa, B. Garat, D. Gambino
Journal of Inorg. Biochem. 127, 150-160 (2013). - Synthesis and characterization of a zinc(II) complex of bispicen
B.S. Parajón-Costa, G.A. Echeverría, O.E. Piro, E.J. Baran
Zeitschrift für Naturforschung B 68, 1327-1332 (2013). - Vibrational, electronic and structural properties of 6-nitro- and 6-amino-2-trifluoromethylchromone: An experimental and theoretical study
L.P. Avendaño Jiménez, G.A. Echeverría, O.E. Piro, S.E. Ulic, J.L. Jios
J. Phys. Chem. A117, 2169-2180 (2013). - Crystal structure and spectroscopic properties of N’- methoxycarbonylsulfenyl-substituted ureas, CH3OC(O)SN(H)C(O)NRR´ [R, R´= H, –C(CH3)3 and R= R´= –CH2CH3]
S. Torrico-Vallejos, M.F. Erben, S. Gómez Ruiz, E. Hey-Hawkins, G.A. Echeverría, O.E. Piro, C.O. Della Védova
J. Molecular Structure 1037, 116–121 (2013). - Molecular structure of 4-hidroxy-3-(3-methyl-2-butenyl) acetophenone, a plant antifungal, by X-ray diffraction, DFT calculation, and NMR and FTIR spectroscopy
O.E. Piro, G.A. Echeverría, E. Lizarraga, E. Romano, C.A.N. Catalán, S.A. Brandán
Spectrochim. Acta Part A: Molecular and Biomolecular Spectroscopy 101, 196–203 (2013). - Thiosaccharine disulfide: Synthesis, crystal structure, spectroscopic characterization and theoretical study
R.M. Ferullo, A. Granados, A. Lanterna, J.A. Güida, O.E. Piro, E.E. Castellano, M. Dennehy
J. Mol. Struct. 1032, 48–55 (2013).