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Microwave assisted synthesis: A Mn/Ni reaction system affording Mn5Ni4, Mn2Ni2 and Mn7 complexes 

Ledezma Gairaud, Marisol; Pineda Cedeño, Leslie William; Aromí, Guillem; Sañudo, E. Carolina (2013-11)
Following our interest in microwave assisted synthesis in coordination chemistry; we report here the results of the study of a mixed metal Mn/Ni system under common bench-top conditions and using the microwave reactor. ...

Experimental and theoretical studies of C–H⋯M interactions in palladium and platinum complexes derived from 1,2-bis-(2-hydroxymethylphenylthio)ethane 

González Montiel, Simplicio; Martínez Otero, Diego; Andrade López, Noemí; Alvarado Rodríguez, José G.; Carmona Pichardo, Manuel; Cruz Borbolla, Julián; Pandiyan, Thangarasu; Pineda Cedeño, Leslie William (2015-02)
The molecular structures of several related cis-[j2-SS-(L)MHal2] compounds 1, 1DMSO, 2, 2H2O, 3DMSO, 4 and 5 where L = HOCH2Ph-S-CH2-CH2-S-PhCH2OH, M = Pd or Pt, and Hal = Cl or Br or I, were analyzed by single crystal ...

Synthesis, structure and spectroscopic characterization of Ni(II), Co(II), Cu(II) and Zn(II) complexes with saccharinate and pyrazole 

Valle Bourrouet, Grettel; Pineda Cedeño, Leslie William; Falvello, Larry R.; Lusar, Rosa; Weyhermüller, Thomas (2007-09)
Four mononuclear mixed-ligand complexes of Co(II), Ni(II), Cu(II) and Zn(II), with saccharin (sac) and pyrazole (Hpz) were synthesized and characterized on the basis of elemental analysis, FT-IR spectroscopy, magnetic ...
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Harnessing titanium dioxide surface toward novel functional materials 

Solera Rojas, José Andrés; Rapp, Christin K.; Rivera Martínez, M. Cinthya; Pineda Cedeño, Leslie William (2015)
The ever-increasing worldwide energy consumption has led the society to quest for novel and functional materials that can be used in the development of solar fuels to some extent lessen the dependence on fossil fuels. In ...
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Monomeric Germanium(II) Amides Bearing β-Diketiminato Ligands: Synthesis, Structural Characterization, and Thermal Properties 

Ballestero Martínez, Ernesto; Klosin, Jerzy; Fahlman, Bradley D.; Pineda Cedeño, Leslie William (2014-09)
Germanium(II) compounds featuring β-diketiminate-type ligands are attractive for applications as nanoparticle precursors, imaging agents, and components of electronic devices. In this work, we report the synthesis of ...
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Crystal structure of (E)-2-(tert-butylamino)-4-(tertbutylimino)naphthalen-1(4H)-one 

Lamoureux Lamontagne, Guy; Alvarado Rojas, Mónica; Pineda Cedeño, Leslie William (2018)
The title compound, C18H24N2O, is the first example of a naphthoquinone imine derivative isolated in the 4-imine/2-amine tautomeric form having bulky alkyl substituents at the N atoms. The molecular conformation is stabilized ...
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1,1-Diphenyl-4-(thiophen-2-yl)but-3-yn-1-ol 

Umaña, Christian A.; Pineda Cedeño, Leslie William; Cabezas Pizarro, Jorge A. (2018-11)
The asymmetric unit of the title homopropargyl alcohol, C20H16OS, contains two independent molecules comprising a hydroxy group, a 3-(2-thiophenyl)- propargylic moiety and two aromatic rings linked to a central carbon atom. ...
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Homopropargyl alcohol 5,5-diphenylpent-2-yne-1,5-diol 

Umaña, Christian A.; Pineda Cedeño, Leslie William; Cabezas Pizarro, Jorge A. (2018)
In the title compound, C17H16O2, the central carbon atom has a distorted tetra­hedral geometry [spread of angles = 105.71 (8)–112.75 (9)°] for its bonds to a homopropargylic but-2-yn-1-ol moiety, a hy­droxy group and two ...
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Homopropargyl alcohol 1,1-diphenylbut-3-yn-1-ol 

Umaña, Christian A.; Pineda Cedeño, Leslie William; Cabezas Pizarro, Jorge A. (2018)
The asymmetric unit of the title compound, C16H14O, contains one mol­ecule with a central carbon atom having a distorted tetra­hedral geometry made of a propargylic fragment, a hy­droxy group and two aromatic rings. ...
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Neutral organic redox pairs based on sterically hindered hydroquinone/benzoquinone derivatives for dye-sensitized solar cells 

Flores Díaz, Natalie; Soto Navarro, Andrea; Freitag, Marina; Lamoureux Lamontagne, Guy; Pineda Cedeño, Leslie William (2018-06)
Substituted derivatives of hydroquinone/benzoquinone were studied as organic redox mediators in the electrolyte for dye-sensitized solar cells (DSSCs). Thus, di-tert-butylhydroquinone (DTHQ), thymohydroquinone (ThymHQ) and ...
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Pineda Cedeño, Leslie William (22)
Cabezas Pizarro, Jorge A. (5)Ledezma Gairaud, Marisol (5)Lamoureux Lamontagne, Guy (3)Solera Rojas, José Andrés (3)Soto Navarro, Andrea (3)Umaña, Christian A. (3)Alvarado Rojas, Mónica (2)Aromí, Guillem (2)Moehl, Thomas (2)... View MoreType
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  • Repositorios universitarios

  • Repositorio del SIBDI-UCR
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Repositorio Institucional de la Universidad de Costa Rica. Algunos derechos reservados. Este repositorio funciona con DSpace.
Universidad de Costa Rica