Browsing by Author "Atria Salas, Ana María"
Now showing items 21-40 of 58
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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Atria Salas, Ana María; Parada Aliste, José; Garland, María Teresa; Baggio, Ricardo (2013)
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Atria Salas, Ana María; Cortés, Piedad; Acevedo, L.; Trujillo, R.; Manzur Saffie, Jorge; Peña, Octavio; Baggio, Ricardo (SOCIEDAD CHILENA DE QUIMICA, 2004-12)The crystal structure of the compound with empirical formula [Cu (2,2'-BP)Cl NO3](2) (BP: 2,2'-bipyridine) (1) has been determined. Crystals are triclinic, space group P-1 with a = 7.5152(12) (A) over circle, b = 9.2531(14) ...
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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 ...
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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]. ...
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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 ...
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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 ...
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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 ...
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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) ...
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Muñoz Acevedo, Juan Carlos (Universidad de ChilePrograma Cybertesis, 2006)
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Atria Salas, Ana María; Baggio, Ricardo; Garland, María Teresa; Muñoz, Juan Carlos; Peña, Octavio (Elsevier, 2004-05-10)Five new lanthanide complexes displaying crotonato bridges have been prepared: [Gd-2(crot)(6)(H2O)(4)]-4(bpa) (1); [Ho-2(crot)(6)](n)(.)(Hbpa) (2), [Gd-2(crot)(6)(bipy)(2)] (3); [Ho-2(crot)(6)(bipy)(2)] (4) and ...
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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, ...
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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) = ...
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Garland, María Teresa; Grandjean, D.; Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Manzur Saffie, Jorge (MUNKSGAARD INT PUBL LTD, 1988-09-15)
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Garland, María Teresa; Grandjean, D.; Spodine Spiridonova, Evgenia; Atria Salas, Ana María; Manzur Saffie, Jorge (MUNKSGAARD INT PUBL LTD, 1988-07-15)
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Muñoz, Juan Carlos; Atria Salas, Ana María; Baggio, Ricardo; Garland, María Teresa; Peña, Octavio; Orrego, Cristian (ELSEVIER, 2005-09-01)The crystal structure and magnetic characterization of an isostructural series of general formula {[Ln(crot)(3)(H2O)(bpy)(1/2)](2)}(n) (crot, crotonate (C4H5O2); bpy, 4,4'-bipyridine (C10H8N2); Ln, Nd, Gd, Ho, Er, Y) is ...