Browsing by Author "Baggio, Ricardo"
Now showing items 1-20 of 31
-
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 ...
-
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, ...
-
Díaz de Vivar, Enriqueta; Baggio, Sergio; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2005-11)
-
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 ...
-
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 ...
-
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 ...
-
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 ...
-
Baggio, Ricardo; Stoilova, D.; Garland, María Teresa (ELSEVIER SCIENCE, 2003-10-29)The crystal and molecular structure of two isomorphous mixed formates (CuxM1-x (HCOO)(2)(H2O)(1.33), M = Mg (1), Co (2), x = 0.74) are presented. The cationic sites are occupied by a mixture of divalent cations (Cu, M) and ...
-
Díaz de Vivar, Enriqueta; Baggio, Sergio; Garland, María Teresa; Baggio, Ricardo (BLACKWELL PUBLISHING, 2006-09)The title compound, [Na2Ni(SO4)(2)(H2O)(4)] or Ni astrakanite, is part of an isostructural family containing the Mg (the original astrakanite mineral), Zn and Co species. The very regular NiO(H2O)(4)O(SO4)(2) octahedra lie ...
-
Baggio, Ricardo; Stoilova, D.; Polla, Griselda; Leyva, Gabriela; Garland, María Teresa (ELSEVIER, 2004-07-16)The crystal structures of four members in the isomorphous series, Ba2M(HCOO)(6)(H2O)(4) (M = Co, Ni, Cu, Zn) are presented and thoroughly discussed. Discrepancies with a previous structural report on the Cu isolog [Z. ...
-
Barja, Beatriz; Aramendia, P.; Baggio, Ricardo; Garland, María Teresa; Peña, Octavio; Perec, Mireille (ELSEVIER SCIENCE, 2003-11-20)Homometallic europium(III) and terbium(III) trans-2-butenoate polymers, chemical formulas [{Eu-3(MeCH=CHCO2)(9)(H2O)(4)}.H2O-EtOH](n) (1) and [{Tb(MeCH=CHCO2)(3)(H2O)}.MeCH=CHCO2H](n) (2) and their dimeric 1,10-phenanthroline ...
-
Barja, Beatriz; Baggio, Ricardo; Calvo, Rafael; Garland, María Teresa; Perec, Mireille; Rizzi, Alberto (ELSEVIER, 2006-09-01)Two lanthanide(III) complexes with L-glutamate ligands [{Ln(2)(L-Glu)(2)(H2O)(8)}center dot 4(ClO4)center dot 2.5H(2)O](n) (Ln = Gd (1), Eu (2)) have been prepared and characterized by single-crystal X-ray diffraction. The ...
-
Cukiernik, Fabio D.; Zelcer, Andrés; Garland, María Teresa; Baggio, Ricardo (BLACKWELL, 2008-11)An interesting case of 'halogen-bonding-promoted' crystal structure architecture is presented. The two title compounds, C8H8Br2O2 and C8H8I2O2, have almost indistinguishable molecular structures but very different spatial ...
-
Granifo, Juan; Garland, María Teresa; Baggio, Ricardo (ELSEVIER, 2004-01)The reaction of pyterpy with an excess of cadmium(II) nitrate yields the novel mononuclear complex [Cd(pyterpy)(H2O)(NO3)(2)]. The crystal structure shows to the Cd(II) centre in a seven-coordinate environment and the ...
-
Granifo, Juan; Vargas, Moisés; Garland, María Teresa; Ibáñez, Andrés; Gaviño, Rubén; Baggio, Ricardo (ELSEVIER, 2008-11)The new terpyridyl ligand 4'-phenyl-3,2':6',3 ''-terpyridine (L) reacts with Zn(acac)(2) to produce the dizinc complex [Zn-2(mu-L)(acac)(4)] center dot H2O (1) (acac = acetylacetonato). The analysis of the crystal structure ...
-
Belmar, Julio; Jiménez Carvajal, Claudio; Ortiz, Leandro; Garland, María Teresa; Baggio, Ricardo (BLACKWELL, 2006-02)The title compound, C14H25N3O2, consists of a five-membered heterocyclic ring to which a pendant decyl group is attached. The oximino tautomeric character of the molecule is clearly defined by the distribution of well ...
-
Nicotra, Viviana E.; Ramacciotti, Natalia S.; Gil, Roberto R.; Oberti, Juan C.; Feresin, Gabriela E.; Guerrero, Cecilia A.; Baggio, Ricardo; Garland, María Teresa; Burton, Gerardo (AMER CHEMICAL SOC, 2006-05-26)Twelve new withanolides were isolated from the aerial part of Jaborosa rotacea: five had a spiranoid delta-lactone ( 1- 5); one contained a 26,12-delta-lactone and a C-12-C-23 bond ( 6); five corresponded to trechonolide-type ...
-
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) ...
-
Merchán, Juan; Yutronic Sáez, Nicolás; Garland, María Teresa; Baggio, Ricardo (TAYLOR & FRANCIS LTD, 2004-03)The synthesis, crystal structure and properties of a novel ternary inclusion compound formed by protonated bis(quinuclidine) inserted in a urea-chloride anionic host, urea(5)[quinuclidine(2)H]Cl-+(-) (1), are reported. In ...
-
Granifo, Juan; Toledo, Dominique; Garland, María Teresa; Baggio, Ricardo (ELSEVIER, 2010)Reaction of 40-(3-pyridyl)-2,20:60,200-terpyridine (pyterpy) with Cu(hfacac)2 (hfacac = hexafluoroacetylacetonate) led to the formation of the novel compound [Cu3(hfacac)4(m-pyterpy)2][Cu(hfacac)3]2 (1). The structure ...