Browsing by Author "Atria Salas, Ana María"

Now showing items 21-40 of 53

    • Magnetic properties of dinuclear copper(II) complexes with a N6 pyridazine-derived ligand 
      Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Manzur Saffie, Jorge; García, Ana; Garland, María Teresa; Hocquet, Alexandre; Sanhueza, Eduardo; Baggio, Ricardo; Peña, Octavio; Saillard, Jean (1997)
      A new hexadentate ligand 3,6-bis[(6-methyl-2-pyridyl)(2-pyridyl)methyl]pyridazine (mbdpdz) was prepared by a condensation reaction of 3,6-dichloropyridazine and (6-methyl-2-pyridyl)(2-pyridyl)methyllithium, and the following ...
    • Magnetic properties of dinuclear copper(II) complexes with simple pyrazolate bridges 
      Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Valenzuela Pedevila, Jorge; Jalocha, J.; Manzur Saffie, Jorge; García, A. M.; Garland, María Teresa; Peña, Octavio; Saillard, J. Y. (ROYAL SOC CHEMISTRY, 1999-09-07)
      Three new copper(II) complexes with simple pyrazolate bridges have been prepared, [Cu-2(pz)(2)(dpa)(2)(H2O)Cl]Cl . H2O 1, [Cu-2(pz)(2)(phen)(2)Cl-2]. 2C(2)H(5)OH 2 and [Cu-2(pz)(phen)(2)Cl-3]. 2H(2)O 3 (Hpz = pyrazole, dpa ...
    • Magneto-structural characterization of [Cu4(prz)4(CH3OH)2L 2″](CIO4)2 (L″H = 1,1-DI-(2-pyridyl)-1-methoximethanol, ... 
      Manzur Saffie, Jorge; García, A.; Garland, María Teresa; Acuña, V.; Gonzalez, O.; Peña, Octavio; Atria Salas, Ana María; Spodine Spiridonova, Evgenia (Elsevier Ltd, 1996)
      The title compound [Cu2C19H20N6O7Cl](2) is a copper(II) complex, in which each bicationic moiety is bridged by two pyrazolate ligands. In the centrosymmetric, tetrameric dications pairs of copper atoms, one square planar ...
    • Oligo and polyuronic acids interactions with hypervalent chromium 
      González, J. C.; García, S. I.; Bellú, Sebastián; Atria Salas, Ana María; Salas Pelegrin, Juan Manuel; Rockenbauer, A.; Korecz, L.; Signorella, Sandra; Sala, Luis F. (PERGAMON-ELSEVIER SCIENCE LTD, 2009-09-02)
      Selective oxidation of galacturonic residues of oligo and polyuronic acids by Cr-VI affords CO2/HCO2H, oxidized uronic acid, and Cr-III as final redox products. Kinetic studies show that the redox reaction proceeds through ...
    • Oxidation of 3,5-ditert-butylcatechol catalyzed by copper(II) complexes. A kinetic study 
      Manzur Saffie, Jorge; Garcia, A. M.; Rivas, V.; Atria Salas, Ana María; Valenzuela, J.; Spodine Spiridonova, Evgenia (Elsevier Ltd, 1997)
      Copper(II) complexes of the ligands (6-methyl-2,2′-dipyridyl)methane (MeDPM) and (6,6′-dimethyl-2,2′-dipyridyl)methane (diMeDPM) were prepared and used as catalysts for the oxidation of 3,5-ditert-butylcatechol to ...
    • A polymeric cobalt(II) complex derived from citric acid (H4cit) and 2,6-diaminopurine (dap): {[Co4(cit)2( ... 
      Atria Salas, Ana María; Parada Aliste, José; Garland, María Teresa; Baggio, Ricardo (2013)
    • Reacción de condensación de di-2-piridilmetano con co 
      Manzur Saffie, Jorge; Garland, María Teresa; Atria Salas, Ana María; Vera, Marco; Spodine Spiridonova, Evgenia (Sociedad Chilena de Química, 1989)
      Se estudió la reacción de condensación de di-2-piridilmatano con los compuestos carbonílicos: benzaldehido, 2, piridilcarboxaldehido, acetona y di-2-piridilcetona, catalizada por sales de los metales de la primera serie ...
    • Redetermination of catena-poly[bis[chloro(mu-pyridine N-oxide-kappa O-2 : O)copper(II)]-di-mu-chloro] 
      Atria Salas, Ana María; Cortés, P.; Garland, María Teresa; Baggio, Ricardo (BLACKWELL MUNKSGAARD, 2003-11)
      The title compound, [Cu2Cl4(C5H5NO)(2)](n), is a one-dimensional polymer in which the Cu-II atoms are alternately bridged by two O atoms [Cu...Cu = 3.2131 (10) Angstrom] and two Cl atoms [Cu...Cu = 3.7061 (11) Angstrom]. ...
    • Redox and complexation chemistry of the CrVI/Cr V/CrIV-d-glucuronic acid system 
      González, Juan Carlos; García, Silvia; Bellú, Sebastián; Peregrín, Juan Manuel; Atria Salas, Ana María; Sala, Luis Federico; Signorella, Sandra (2010)
      When excess uronic acid over CrVI is used, the oxidation of d-glucuronic acid (Glucur) by CrVI yields D-glucaric acid (Glucar) and CrIII as final products. The redox reaction involves the formation of intermediate CrIV and ...
    • Redox and complexation chemistry of the CrVI/CrV–d-galacturonic acid system 
      González, Juan; Daier, Verónica; García, Silvia; Goodman, Bernard; Atria Salas, Ana María; Sala, Luis; Signorella, Sandra (2004)
      The oxidation of D-galacturonic acid by Cr-VI yields the aldaric acid and Cr-III as final products when a 30-times or higher excess of the uronic acid over Cr-VI is used. The redox reaction involves the formation of ...
    • Removal of chromium(VI) and chromium(III) from aqueous solution by grainless stalk of corn 
      Bellú, Sebastián; García, Silvia; González, Juan C.; Atria Salas, Ana María; Sala, Luis F.; Signorella, Sandra (TAYLOR & FRANCIS INC, 2008)
      Grainless stalk of corn (GLSC) was tested for removal of Cr(VI) and Cr(III) from aqueous solution at different pH, contact time, temperature, and chromium/adsorbent ratio. The results show that the optimum pH for removal ...
    • Scavenging of the one-electron reduction product from nisoldipine with relevant thiols: Electrochemical and ... 
      Núñez Vergara, Luis; Díaz Araya, Guillermo; Olea Azar, Claudio; Atria Salas, Ana María; Bollo Dragnic, Soledad; Squella Serrano, Juan (1998)
      Purpose. To determine the formation of the one-electron reduction product from nisoldipine and its reactivity with relevant thiols in mixed medium. Methods. Cyclic voltammetry (CV) and electron paramagnetic resonance (EPR) ...
    • STRUCTURE OF 4-BROMO-2-(2-PYRIDYLIMINOMETHYL)PHENOL 
      Atria Salas, Ana María; Garland, María Teresa; Spodine Spiridonova, Evgenia; Toupet, L. (MUNKSGAARD INT PUBL LTD, 1991-05-15)
      (1) C12H9BrN2O, M(r) = 277.3, monoclinic, P2(1)/n, a = 8.167 (3), b = 17.541 (5), c = 8.457 (3) angstrom, beta = 114.67 (3)degrees, V = 1100 (2) angstrom 3, Z = 4, D(x) = 1.67 Mg m-3, lambda(Mo K-alpha) = 0.71069 angstrom, ...
    • STRUCTURE OF BIS[2-METHYL-1,1-DI(2-PYRIDYL)-2-PROPANOL]COPPER(II) DICHLORIDE DIHYDRATE 
      Garland, María Teresa; Grandjean, D.; Toupet, L.; Manzur Saffie, Jorge; Spodine Spiridonova, Evgenia; Atria Salas, Ana María (MUNKSGAARD INT PUBL LTD, 1991-06-15)
      C28H32CuN4O2(2+).2Cl-.2H2O, M(r) = 627.06, monoclinic, P2(1)/c, a = 9.137 (2), b = 9.047 (2), c = 18.377 (7) angstrom, beta = 99.10 (3)-degrees, V = 1500.4 (9) angstrom3, Z = 4, D(x) = 1.529 Mg m-3, lambda(Mo K-alpha) = ...
    • STRUCTURE OF DIBROMO(1,10-PHENANTHROLINE)COPPER(II) 
      Garland, María Teresa; Grandjean, D.; Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Manzur Saffie, Jorge (MUNKSGAARD INT PUBL LTD, 1988-09-15)
    • STRUCTURES OF CATENA-DI-MU-CHLORO-DI-MU-BROMO-(2,2-BIPYRIDINE)COPPER(II) AND CATENA-DI-MU-BROMO-(2,2-BIPY ... 
      Garland, María Teresa; Grandjean, D.; Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Manzur Saffie, Jorge (MUNKSGAARD INT PUBL LTD, 1988-07-15)
    • Synthesis, characterization and antibacterial activity of cobalt(III) complex with phenanthroline and maltose 
      Parada Aliste, José; Atria Salas, Ana María; Wiese, Guillermo; Rivas, Elizabeth; Corsini, Gino (Soc Chilena Química, 2014)
      The mononuclear cobalt(III) complex derived from 1,10-phenanthroline and maltose ([Co(phen)(2)maltose]Cl-2 center dot 3H(2)O) (1) has been synthesized and characterized in aqueous solution. Its characterization was based ...
    • Synthesis, structure and antifungal properties of Co(II)-sulfathiazolate complexes 
      Bellú, Sebastián; Hure, Estela; Trapé, Marcela; Trossero, Claudia; Molina, Gabriel; Drogo, Claudia; Williams, Patricia; Atria Salas, Ana María; Muñoz, Juan Carlos; Zacchino, Susana; Sortino, Maximiliano; Campagnoli, Darío; Rizzotto, Marcela (PERGAMON-ELSEVIER SCIENCE LTD, 2005-03-10)
      he reaction between sulfathiazole and cobalt(II) leads to a pink solid, [Co-II(ST)(2)(H2O)(4)] (1), which, after 7-10 days in the mother solution, transforms into red crystals of [Co-II(ST)(2)(H2O)(3)](n) (2) (ST = ...
    • Tetra-mu-but-2-enoato-bis[diaqua(but-2-enoato)yttrium] di-mu-but-2-enoato-bis-[diaquabis(but-2-enoato)ytt ... 
      Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2006-12)
      The title compound, [Y-2(C4H5O2)(6)(H2O)(4)](2)(.)4.6H(2)O, has two independent dimeric units, displaying different bridging patterns between metal ions which lead to dissimilar (YY)-Y-... distances. The compound is ...
    • Three isomorphous Ln complexes: {[Ln(2)(bt)(6)(bno)(H2O)(4)]center dot bno}(n) (bt is but-2-enoate and bno ... 
      Atria Salas, Ana María; Mora, María Angeles; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2007-11)
      The polymeric title compounds, namely catena-poly[[[di-mu-but- 2-enoato-kappa(3) O:O,O';kappa O-3,O':O'-bis[diaquadibut-2-enoato- kappa O;kappa O-2,O'-neodymium( III)]]-mu-4,4'-bipyridyl N,N'-dioxide- kappa(2) O:O'] ...