Now showing items 1-18 of 18

    • Spada, Ramiro M.; Cepeda-Plaza, Marjorie; Gómez, María L.; Günther Sapunar, Germán; Jaque, Pablo; Pizarro, Nancy; Palacios, Rodrigo E.; Vega, Andrés (American Chemical Society, 2015)
      © 2015 American Chemical Society.Rhenium complexes are versatile molecular building blocks whose tunable photophysical properties are useful in diverse opto-related applications. Herein we report the synthesis and ...
    • Pizarro, Nancy; Duque, Mario; Chamorro, Eduardo; Nonell, Santi; Manzur Saffie, Jorge; De la Fuente, Julio; Günther Sapunar, Germán; Cepeda Plaza, Marjorie; Vega, Andrés (American Chemical Society, 2015)
      © 2015 American Chemical Society. The spectroscopic, electrochemical, and photophysical properties of the new complex [P,N-{(C<inf>6</inf>H<inf>5</inf>)<inf>2</inf>(C<inf>5</i ...
    • Saldías, Marianela; Guzmán, Nicolás; Palominos, Franco; Sandoval-Altamirano, Catalina; Günther, Germán; Pizarro, Nancy; Vega, Andrés (American Chemical Society, 2019)
      The direct reaction of a series of substituted (1H-pyrazol-1-yl)pyridazine (L I : 6-(1H-pyrazolyl)pyridazine; L II : 3-chloro-6-(1H-pyrazole-1-yl)-pyridazine; L III : 6-(1H-3,5-dimethylpyrazolyl)pyridazine-3-carboxylic ...
    • Robinson Duggon, José; Pizarro, Nancy; Gunther Sapunar, Germán; Zúñiga Núñez, Daniel; Edwards, Ana María; Greer, Alexander; Fuentealba, Denis (Wiley, 2020)
      Toluidine blue O (TBO) is a water-soluble photosensitizer that has been used in photodynamic antimicrobial and anticancer treatments, but suffers from limited solubility in hydrophobic media. In an effort to incrementally ...
    • Prado, Gaspar; Ibañez, María Belén; Acosta, Alison; Chamorro, Eduardo; Hermosilla Ibañez, Patricio; Günther Sapunar, Germán; Pizarro, Nancy; Vega, Andrés (Elsevier, 2017)
      The reaction of [P,N-{(C6H5)(2)(C5H4N)P}Re(CO)(3)Br] (RePNBr) with silver triflate leads to the complex [P,N-{(C6H5)(2)(C5H4N)P}Re(CO)(3)(O-CF3SO3)] (RePNTfO) with moderate yield. This new P,N-Re-I triflate compound contains ...
    • Fuentealba, Pablo; Serón, Lorenzo; Sánchez, Camila; Manzur Saffie, Jorge; Paredes García, Verónica; Pizarro, Nancy; Cepeda, Marjorie; Venegas Yazigi, Diego; Spodine Spiridonova, Evgenia (Taylor and Francis Ltd., 2014)
      © 2014 Taylor & Francis. A family of macrocyclic complexes [M2LnCl2] have been synthesized and characterized (M: CuII or ZnII; Ln: macrocyclic ligand derived from 2-hydroxy-5-methyl-1,3-benzenedicarbaldehyde and different ...
    • Nonell, Santi; Ferreras, Lourdes R.; Cañete, Alvaro; Lemp Miranda, Else; Günther Sapunar, Germán; Pizarro, Nancy; Zanocco Loyola, Antonio (AMER CHEMICAL SOC, 2008-07-18)
      The photophysics and photochemistry of a series of naphthoxazinones have been studied using a combination of methods ranging from steady-state and time-resolved spectroscopic techniques to product analysis. The photophysics ...
    • Lemp Miranda, Else; Cañete, Alvaro; Günther Sapunar, Germán; Pizarro, Nancy; Zanocco Loyola, Antonio (ELSEVIER, 2008-09-25)
      The photophysical properties, the capacity to produce singlet molecular oxygen by sensitization and the photostability of a series of 20 aryloxazinones and one quinoxalinone have been evaluated using a combination of methods ...
    • Lemp Miranda, Else; Pizarro, Nancy; Encinas, María Victoria; Zanocco Loyola, Antonio (2001)
      Detection of O2(1Δg) emission, λmax = 1270 nm, following laser excitation and steady-state methods were employed to measure total, kT, and chemical, kR, reaction rate constants for the reaction between 3-methylindole and ...
    • Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán; Pizarro, Nancy (AMER CHEMICAL SOC, 2003-04-18)
      Detection Of O-2((1)Delta(g),) phosphorescence emission, lambda(max) = 1270 nm, following laser excitation and steady-state methods was employed to determine the total rate constant, k(T), and the chemical reaction rate ...
    • Lemp Miranda, Else; Zanocco Loyola, Antonio; Günther Sapunar, Germán; Pizarro, Nancy (2006)
      The reaction of singlet molecular oxygen with a series of cyclic and acyclic α-diimines was studied. Time-resolved methods were used to measure total reaction rate constants and steady-state methods were used to determine ...
    • Zanocco Loyola, Antonio; Lemp Miranda, Else; Pizarro, Nancy; De la Fuente, Julio; Günther Sapunar, Germán (Elsevier, 2001)
      Detection of O2(1Δg) phosphorescence emission, λmax=1270nm, following laser excitation and steady state methods were employed to determine both the total constant, kT LID, and the chemical reaction rate constants, kR LID, ...
    • Mella, Pablo; Cabezas, Karina; Cerda, Carla; Cepeda-Plaza, Marjorie; Günther Sapunar, Germán; Pizarro, Nancy; Vega, Andrés (Royal Society of Chemistry, 2016)
      The [(phen)((HO)-O-2)Re(CO)(3)](+)(CF3SO3)(-) salt, 1(+)(CF3SO3-), has been crystallized in the form of two new solvates, [(phen)(H2O)Re(CO)(3)](+)(CF3SO3)(-)center dot(C4H8O)(0.5) and [(phen)(H2O)Re(CO)(3)](+)(CF3SO3)(-)center ...
    • Gallardo, Hector; Cepeda-Plaza, Marjorie; Nonell, Santi; Günther Sapunar, Germán; Chamorro, Eduardo; Pizarro, Nancy; Vega, Andrés (Elsevier Ltd, 2015)
      © 2015 Elsevier Ltd. All rights reserved.The multimetallic complex [[(CO)<inf>3</inf>(phen)Re(μ-Br)Re(phen)(CO)<inf>3</inf>][(CO)<inf>3</inf>Re(μ-Br)<inf>3</inf>Re(CO)<i ...
    • Muñoz, Víctor; Cumsille, Sebastián; Günther Sapunar, Germán; Pizarro, Nancy; Vega, Andrés (Elsevier B.V., 2017)
      Tetra-tert-butyl-cis,cis-3,7-dihydroxybicyclo[3.3.0]octa-2,6-diene-2,4-exo-6,8-exo-tetracarboxylate (I) and tetra-tert-butyl-cis,cis-3,7-dimethoxybicyclo[3.3.0]octa-2,6-diene-2,4-exo-6,8-exo-tetracarboxylate (II) were ...
    • Cumsille, Sebastian; Morales, Javier O.; Sandoval Altamirano, Catalina; Guenther, Germán; Vega, Andrés; Pizarro, Nancy (Elsevier Science SA, 2018)
      Lercanidipine (LERCA) is a third generation antihypertensive drug belonging to the 1,4-dihydropyridine's family, which has been reported to induce photoallergic and/or phototoxic effects in patients with long term treatment. ...
    • Sandoval, Catalina; Arriagada, Franco; Fuente, Julio de la; Sánchez, Susana; Morales, Javier; Pizarro, Nancy; Nonell, Santi; Günther Sapunar, Germán (Sociedade Brasileira de Quimica, 2016)
      Glycolipids are biomolecules composed of a lipid chain (lipophilic) and a monosaccharide or oligosaccharide as hydrophilic group. Their chemical structure and biological role make them undoubtedly good candidates for a ...
    • Mella, Pablo; Carlos Palma, Juan; Cepeda Plaza, Marjorie; Aguirre Álvarez, Pedro; Manzur Saffie, Jorge; Günther Sapunar, Germán; Pizarro, Nancy; Vega, Andrés (Elsevier, 2016)
      The spectroscopic, electrochemical and photophysical properties of the new complex [P,N-{(C6H5)(2)(C5H4N)NHP)Re(CO)(3)Br] (RePNN) are reported. The UV-Vis spectrum in dichloromethane (DCM)' shows an absorption maximum ...