Browsing by Author "Baggio, Ricardo"
Now showing items 1-20 of 74
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Atria Salas, Ana María; Corsini, Gino; Talamilla, Arlyn; Garland, María Teresa; Baggio, Ricardo (BLACKWELL, 2008-12)
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3-(Triphenylphosphoranylidene)-pentane-2,4-dione and diethyl 2-(triphenylphosphoranylidene)-malonate Castañeda Magliona, Fernando; Aliaga Silva, Christian Marcelo; Bunton, Clifford A.; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2005-08)The title ylides, 3-(triphenylphosphoranylidene) pentane-2,4-dione, C23H21O2P, (I), and diethyl 2-(triphenylphosphoranylidene)malonate, C25H25O4P, (II), differ in the conformations adopted by their extended ylide moieties. ...
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Osorio Olivares, Mauricio; Caroli Rezende, Marcos; Sepúlveda Boza, Silvia; Cassels Niven, Bruce; Baggio, Ricardo; Muñoz Acevedo, Juan Carlos (Elsevier Science Ltd., 2003-03-12)Abstract—A simple method for the preparation of homochiral ring-substituted 1-aryl-2-aminopropanones 2 (‘cathinones’) is described, involving initial Friedel–Crafts acylation of aromatics with (S)- or (R)-N-trifluoroacetylalanyl ...
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Colloca, Cristina B.; Pappano, Delia B.; Bustos, Daniel A.; Sosa, Virginia E.; Baggio, Ricardo; Garland, María Teresa; Gil, Roberto R. (PERGAMON-ELSEVIER SCIENCE LTD, 2004-07)Azorella cyptantha yielded the diterpenes, azorellolide and the dihydroderivative, dihydroazorellolide, together with the known yaretol and 1alpha,10beta,4beta,5alpha-diepoxy-7alpha-germacran-6beta-ol. Both possess a carbon ...
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Atria Salas, Ana María; Morel, Mauricio; Garland, María Teresa; Baggio, Ricardo (WILEY-BLACKWELL PUBLISHING, 2011-01)The structure of the ionic title compound, (C(5)H(7)N(6))(2)[Nd(2)(C(5)O(5))(4)(H(2)O)(8)], consists of anionic dimers built around an inversion centre and is made up of an NdIII cation, two croconate (croco) dianions and ...
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Baggio, Ricardo; Garland, María Teresa; Manzur Saffie, Jorge; Spodine Spiridonova, Evgenia (International Union of Crystallography, 1995)The CoII atom in the title complex. [CoBr2(C19H28N2O-Si)], has a tetrahedral environment and is coordinated to bis(o-dimethylaminomethylphenyl)methylsilanol in a bidenate fashion and to two Br anions
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Díaz de Vivar, Enriqueta; Baggio, Sergio; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2005-06)The title ionic zinc - acetate complex, [Zn(C2H3O2)(C12H12N2) (2)](2)(S3O6) center dot 5H(2)O, contains a ZnN4O2 nucleus provided by the three bidentate ligands acting in a chelating mode. The trithionate unit, in turn, ...
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Di Nardo, Christían; Varela, Oscar; de Lederkremer, Rosa M.; Baggio, Ricardo; Vega, Daniel R.; Garland, María Teresa (1995)Bromination of 2,4,6-tri-O-benzoyl-3-deoxy-d-erytro-hex-2-enono-1,5-lactone (1) took place diastereoselectively to afford a single product: 2,4,6-tri-O-benzoyl-2,3-dibromo-3-deoxy-d-altrono-1,5-lactone (2). The configuration ...
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Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (2013)The title cobalt complex (C10H38Co2O26) consists of [Co(H2O)4(C10H2O8)]2-n anionic chains, balanced by [(Co(H2O)6]2+ cations and eight solvato water molecules, some of which are disordered. The chains are formed by Co(H2O)4 ...
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Díaz de Vivar, Enriqueta; Baggio, Sergio; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2005-11)
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Granifo, Juan; Garland, María Teresa; Baggio, Ricardo (BLACKWELL MUNKSGAARD, 2004-02)The structure of the title compound, catena-poly[[bis-(1,1,1,5,5,5-hexafluoropentane-2,4-dionato-kappa(2)O,O')zinc(III)]-mu-4,4'-bipyridine-kappa(2)N:N'], [Zn(C5HF6O2)(2)(C10H8N2)](n), consists of polymeric chains, running ...
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Baggio, Ricardo; Casado, Nieves; Calvo, Rafael; Rapp, Raul; Garland, María Teresa (BLACKWELL MUNKSGAARD, 2005-05)In the title compound, [Cu(C15H20N2O4)](n), the copper(II) coordination is square planar. The anionic L-tyrosyl-L-leucinate ligand binds in an N,N',O-tridentate mode to one Cull cation on one side and in an O-monodentate ...
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Varela, Oscar; Zunszain, Patricia A.; Cicero, Daniel O.; Baggio, Ricardo; Vega, Daniel R.; Garland, María Teresa (Elsevier Ltd, 1996)The conformation in 2H2O of 4-thio-L-lyxono-1,4-lactone (1) was studied by nuclear magnetic resonance spectroscopy, by means of homonuclear (J(1(H),1(H))) and heteronuclear (J(1(H),13(C))) coupling constants. The couplings ...
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Cortes, P.; Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo; Peña, Octavio; Corsini, G. (2006)The ionic cobalt (II) title complex [Co2(OH)2 (Ac)3(Bipy)2]·K·2(H2O) (where Ac: Acetate, Bipy: 2,2-bipyridine) consists of anionic bimetallic unit in which cobalt ions are bridged by hydroxo and acetate ligands, balanced ...
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Albores, Pablo; Slep, Leonardo D.; Baraldo, Luis M.; Baggio, Ricardo; Garland, María Teresa; Rentschler, Eva (AMER CHEMICAL SOC, 2006-03-20)The [Os-III(CN)(6)](3-) anion is prepared by chemical oxidation in aqueous solution and isolated as yellow prisms of [Ph4P](3)[OSIII(CN)(6)]center dot 6H(2)O (1). This species crystallizes in the triclinic space group Of ...
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Baggio, Ricardo; Garland, María Teresa; Peña, Octavio; Perec, Mireille (ELSEVIER SCIENCE SA, 2005-04-15)Four lanthanide coordination polymers formulated as {[La3L9(H2O)(3)](EtOHH2O)-H-.}(n)1,{[Pr2L6(H2O)(2)](HLH2O)-H-.}(n)2,{[Dy2L6(H2O)]0.5HL(.)H(2)O}n 3 and {[Ho2L6(H2O)]0.5HL.H2O}(n) 4 and HL = trans-2-butenoic acid have ...
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Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (2014)4,40-(Disulfanediyl)dibutanoic acid (dtba) and 4,40-bipyridine (4,40-bpy) crystallize in an 1:1 ratio, leading to the title co-crystal with composition C8H14O4S2 C10H8N2. A distinctive feature of the crystal structure ...
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Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (2014)The structure of the title compound [Sm2(crot)6(H2O)4]2·3(H2O) (I), (crot= crotonate = butenoate = O2CCHCHCH3)] consists of two independent, centrosymmetric dimeric units, of similar composition but diverse coordination, ...
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Atria Salas, Ana María; Garland, María Teresa; Baggio, Ricardo (2014)The asymmetric unit of the title compound, C8H9NO2 H2O consists of an isolated 4-(ammoniomethyl)benzoate zwitterion derived from 4-aminomethylbenzoic acid through the migration of the acidic proton, together with a ...
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Atria Salas, Ana María; Cortés, P.; Garland, María Teresa; Baggio, Ricardo (BLACKWELL MUNKSGAARD, 2003-11)The crystal and molecular structure of the monomeric title compound, chlorotetrakis(2-methylimidazole)copper(II) chloride, [CuCl(C4H6N2)(4)]Cl, is presented, and compared with those of two other closely related monomeric ...