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2-(2-pyridylamino)pyridinium tetrachloridozincate(II)

Venegas Yazigi, Diego;Castillo, Carolina;Paredes García, Verónica;Vega, Andrés;Spodine, Eugenia (2008-06)

The structure of the title compound, (C10H10N3)(2)[ZnCl4], is composed of C10H9N3H+ ( DPAH(+)) cations and [ ZnCl4](2-) anions. The two pyridyl rings of DPAH+ are approximately coplanar, with a dihedral angle o....

2,3-butanedione monoxime affects cystic fibrosis transmembrane conductance regulator channel function through phosphorylation-dependent and phosphorylation-independent mechanisms: The role of bilayer material properties

Artigas, Pablo;Al'Aref, Subhi J.;Hobart, E. Ashley;Díaz, Laín;Sakaguchi, Masayuki;Straw, Samuel;Andersen, Olaf S. (2006-12)

2,3-Butanedione monoxime (BDM) is widely believed to act as a chemical phosphatase. We therefore examined the effects of BDM on the cystic fibrosis transmembrane regulator ( CFTR) Cl- channel, which is regulate....

250 years of sardine and anchovy scale deposition record in Mejillones Bay, northern Chile

Valdés, Jorge;Ortlieb, Luc;Gutiérrez, Dimitri;Marinovic, Luis;Vargas Easton, Gabriel;Sifeddine, Abdel (2008-10)

Marine oxygen-deficient environments with high sedimentation rates and high primary productivity can provide relevant information regarding variations of ocean–climatic conditions in the past. In the Humboldt ....

2-Arylthiomorpholine derivatives as potent and selective monoamine oxidase

Lühr Sierra, Susan;Vilches Herrera, Marcelo;Fierro, Angélica;Ramsay, Rona R.;Edmondson, Dale E.;Reyes Parada, Miguel;Cassels, Bruce K.;Iturriaga Vásquez, Patricio (2010)

2-Arylthiomorpholine and 2-arylthiomorpholin-5-one derivatives, designed as rigid and/or non-basic phenylethylamine analogues, were evaluated as rat and human monoamine oxidase inhibitors. Molecular docking p....

(2S,R-S)-6-Phenyl-1-(p-tolylsulfinyl)-hexa-3(E),5(E)-dien-2-ol

Donoso Tauda, Oscar;Escobar, Carlos A.;Araya Maturana, R.;Vega, Andrés (2006-10)

The molecule of the title compound, C19H20O2S, corresponds to a chiral sulfinyldienol with two stereogenic centres, viz. the C atom susbtituted by the hydroxy group and the sulfinyl S atom. The molecule display....

(2Z)-3-(5-hydroxy-4-oxo-4H-chromen-3-yl)acrylonitrile

Araya Maturana, R.;Heredia Moya, Jorge;Pessoa, H.;Weiss López, B. E.;Muñoz, J. C. (2005-04)

The title compound, C12H7NO3, consists of a chromone moiety substituted in position 3 with an acrylonitrile group in a Z configuration. The two planar groups are twisted with respect to one another. The only si....

3D kinematics of white dwarfs from the SPY project. II.

Pauli, E.-M.;Napiwotzki, R.;Heber, U.;Altmann, Martin;Odenkirchen, M. (2006-02)

We present the kinematics of a sample of 398 DA white dwarfs from the SPY project (ESO SN Ia Progenitor surveY) and discuss kinematic criteria for distinguishing of thin-disk, thick-disk, and halo populations. ....

3D sound interactive environments for blind children problem solving skills

Sánchez, Jaime;Sáenz, Mauricio (2006-08)

Audio-based virtual environments have been increasingly used to foster cognitive and learning skills. A number of studies have also highlighted that the use of technology can help learners to develop effective ....

3-(Triphenylphosphoranylidene)-pentane-2,4-dione and diethyl 2-(triphenylphosphoranylidene)-malonate

Castañeda, F.;Aliaga Silva, Christian Marcelo;Bunton, Clifford A.;Garland, María Teresa;Baggio, Ricardo (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 yli....

3-α -(2-O-β-D-glucopiranosil)-D-glucofuranoside della quercetina: nuovo glucoside flavonico della Vestia lycioides

Erazo, Silvia;Galeffi, Corrado;Ciasca Rendina, M. A.;Delle Monache, E. M. (1971)

(Quercetin-3-α-(2-0-β-D-glucopyranosyl)-D-glucofuraanoside, a new glycoside of Vestia lycioides). A new flavonol glycoside, the quercetin-3-α-(2-0-β-D-glucopyranosyl)-D-glucofuranoside, has been isolated from ....

4-(2-Hydroxyphenyl)-2-phenyl-2,3-dihydro-1H-1,5-benzodiazepine and the 2-(2,3-dimethoxyphenyl)-, 2-(3,4-dimethoxyphenyl)- and 2-(2,5-dimethoxyphenyl)-substituted derivatives

Escobar, C. A.;Donoso Tauda, Oscar;Araya Maturana, R.;Vega, Andrés (2007-07)

The 1,5-benzodiazepine ring system exhibits a puckered boatlike conformation for all four title compounds [4-(2-hydroxyphenyl)2- phenyl-2,3-dihydro-1H-1,5-benzodiazepine, C21H18N2O, (I), 2-(2,3-dimethoxyphenyl)....

4-{3,5-Dimethyl-4-[(E)-(4-methylphenyl)diazenyl]-1H-pyrazol-1-yl}benzonitrile

Bustos, Carlos;Schott, Eduardo;Mac-Leod-Carey, Desmond A.;Ibáñez, Andrés;Alvarez Thon, Luis (2006-06)

Mol-ecules in the title compound, C19H17N5, are linked into chains via weak C-H-...pi(cyano) inter-actions, and these chains are linked via C-H-...pi(arene) interactions to form a three-dimensional structure of....

4',6-Diamidino-2-phenylindole (DAPI) induces bundling of Escherichia coli FtsZ polymers inhibiting the GTPase activity

Nova, Esteban;Montecinos, Felipe;Brunet, Juan E.;Lagos, Rosalba;Monasterio, Octavio (2007-09-15)

FtsZ (Filamentous temperature sensitivity Z) cell division protein from Escherichia coli binds the fluorescence probe DAPI. Bundling of FtsZ was facilitated in the presence of DAPI, and the polymers in solutio....

4-Allyl-2-methoxy-5-nitrophenyl acetate

Carrasco Altamirano, Héctor;Espinoza Catalán, Luis;Gallardo Araya, Claudio;Cardona, Wilson;Ibáñez, Andrés;Alvarez Thon, Luis (2006-05)

Molecules of the title compound, C12H13NO5, are linked into chains via weak C-H (...)pi( allyl) interactions and these chains are linked into sheets via C-H (...) O contacts; the sheets, in turn, are interconne....

4-Bromo-2,5-dimethoxyphenethylamine (2C-B) and structurally related phenylethylamines are potent 5-HT2A receptor antagonists in Xenopus laevis oocytes

Villalobos, Claudio A.;Bull, Paulina;Sáez, Patricio;Cassels, Bruce K.;Huidobro-Toro, J. Pablo (2004-02-04)

1 We recently described that several 2-(2,5-dimethoxy-4-substituted phenyl)ethylamines (PEAs), including 4-I¼2C-I, 4-Br¼2C-B, and 4-CH3¼2C-D analogs, are partial agonists at 5-HT2C receptors, and show low or ....

4-DIMETHY~INOPHENETHYLAMINE, A SENSITIVE, SPECIFIC, ELECTROCHEMICALLY DETECTABLE MONOAMINE OXIDASE-B SUBSTRATE

Reyes-Parada, Miguel;Scorza, Ma. Cecilia;Silveira, Rodolfo;Dajas, Federico;Cassels, Bruce K. (1994-04-04)

4-Dimethylaminophenethylamine (DMAPEA) was characterized as an MAO substrate. This compound was unaffected by MAO-A, while its oxidation by MAO-B was linear as a function of both time and enzyme concentratio....

4-DIMETHYLAMINOPHENETHYLAMINE, A SENSITIVE, SPECIFIC, ELECTROCHEMICALLY DETECTABLE MONOAMINE OXIDASE-B SUBSTRATE

Reyes-Parada, Miguel;Scorza, Ma. Cecilia;Silveira, Rodolfo;Dajas, Federico;Cassels, Bruce K. (1994-04-04)

4-Dimethylaminophenethylamine (DMAPEA) was characterized as an MAO substrate. This compound was unaffected by MAO-A, while its oxidation by MAO-B was linear as a function of both time and enzyme concentratio....

4-HYDROXYNORNANTENINE. A 4-HYDROXYLATED NORAPORPHINE

Urzua, A.;Cassels, Bruce K. (1978-05-29)

5 posadas cordillera adentro : preparación de un cajón de Los Andes para las pausas del viajero

Covarrubias, Juan Cristóbal (2005)

6-Bromoflavone, a High Affinity Ligand for the Central Benzodiazepine Receptors Is a Member of a Family of Active Flavonoids

Marder, Mariel;Viola, Haydee;Wasowski, Cristina;Wolfman, Claudia;Waterman, Peter G.;Cassels, Bruce K.;Medina, Jorge H.;Paladini, Alejandro C. (1996-04-13)

6-Bromoflavone, obtained by bromination of flavanone, binds to central benzodiazepine receptors witb a Ki =70 nM and has a clear anxiolytic activity in mice, at 0.5 mgJkg, i.p. A survey of tbe structure/affini....

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