Zobrazeno 1 - 10
of 226
pro vyhledávání: '"JOSÉ J. CAMPOS"'
Autor:
Carlos A. Peñuelas, José J. Campos-Gaxiola, Rody Soto-Rojo, Adriana Cruz-Enríquez, Edgar A. Reynoso-Soto, Valentín Miranda-Soto, Juventino J. García, Marcos Flores-Álamo, Jesús Baldenebro-López, Daniel Glossman-Mitnik
Publikováno v:
Inorganics, Vol 11, Iss 10, p 379 (2023)
A new copper(I) complex, [Cu2(L)2dppm](PF6)2 (1) [L = 3-(2-Pyridyl)-5,6-diphenyl-1,2,4-triazine and dppm: Bis(diphenylphosphino)methane], was prepared and characterized by IR, 1H-NMR, 31P-NMR spectroscopy, elemental and thermogravimetric analysis, an
Externí odkaz:
https://doaj.org/article/2aff9936892e4ab78a51fe6fb942d006
Autor:
Samuel Soto-Acosta, José J. Campos-Gaxiola, Edgar A. Reynoso-Soto, Adriana Cruz-Enríquez, Jesús Baldenebro-López, Herbert Höpfl, Juventino J. García, Marcos Flores-Álamo, Valentín Miranda-Soto, Daniel Glossman-Mitnik
Publikováno v:
Crystals, Vol 12, Iss 9, p 1240 (2022)
New copper(I) compounds of compositions [Cu(HL)(PPh3)2]·H2O (1) and [Cu(HL)POP]·CH2Cl2 (2), where HL = monoanion of pyridine-2,5-dicarboxylic acid, PPh3 = triphenylphosphine and POP = bis [2-(diphenylphosphine)phenyl]ether), are documented. The com
Externí odkaz:
https://doaj.org/article/1f910d8fde4c4f8ab66b5ffe595f73b4
Autor:
Glenda Y. Ruelas-Álvarez, A. Jaquelin Cárdenas-Valenzuela, Luis L. Galaviz-Moreno, Adriana Cruz-Enríquez, José J. Campos-Gaxiola, Herbert Höpfl, Jesús Baldenebro-López, Eva C. Vargas-Olvera, Valentín Miranda-Soto, Blanca A. García Grajeda, Daniel Glossman-Mitnik
Publikováno v:
Crystals, Vol 12, Iss 6, p 783 (2022)
8-Hydroxyquinolin-5-sulfonic acid (8HQSA) was combined with 3-pyridineboronic acid (3PBA) or 4-pyridineboronic acid (4PBA) to give two zwitterionic monoboron complexes in crystalline form. The compounds were characterized by elemental analysis, singl
Externí odkaz:
https://doaj.org/article/85bc0002531e44ecb2580a0909bdd593
Autor:
A. Jaquelin Cárdenas-Valenzuela, Gerardo González-García, Ramón Zárraga- Nuñez, Herbert Höpfl, José J. Campos-Gaxiola, Adriana Cruz-Enríquez
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 74, Iss 4, Pp 441-444 (2018)
In the title compound, C7H6BNO2, the mean plane of the –B(OH)2 group is twisted by 21.28 (6)° relative to the cyanophenyl ring mean plane. In the crystal, molecules are linked by O—H...O and O—H...N hydrogen bonds, forming chains propagating a
Externí odkaz:
https://doaj.org/article/2b03533adf224d789f98bb7033e1c13d
Autor:
Blanca A. Garcia-Grajeda, Herbert Höpfl, Jorge A. Guerrero-Alvarez, José J. Campos-Gaxiola, Adriana Cruz-Enríquez
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 4, Pp o388-o389 (2014)
The asymmetric unit of the title compound, C12H10BNO5·0.67H2O, contains three independent pyridinylboronic acid esters adopting zwitterionic forms and two water molecules. The six-membered heterocyclic rings in the boronic esters have half-chair con
Externí odkaz:
https://doaj.org/article/f20d52b54dad4fe5832fc26e063361ea
Autor:
José J. Campos-Gaxiola, Felipe Zamora Falcon, Ramón Corral Higuera, Herbert Höpfl, Adriana Cruz-Enríquez
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 4, Pp o453-o454 (2014)
The asymmetric unit of the title compound, C9H6O6·3C5H5NO, contains one benzene-1,3,5-tricarboxylic acid molecule (BTA) and three pyridin-2-ol molecules each present in the zwitterion form. In the crystal, these entities are linked through O—H...O
Externí odkaz:
https://doaj.org/article/c5daed1ff2b14a1dba9d6a014e7cbd69
Autor:
Raquel Gámez-Heredia, Rosa E. Navarro, Herbert Höpfl, Adriana Cruz-Enríquez, José J. Campos-Gaxiola
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 6, Pp m300-m301 (2013)
The asymmetric unit of the title hydrated complex salt, (C18H14N5)2[Pt(CN)4]·4H2O, consists of one 2-[2,5-bis(pyridin-2-yl)-1H-imidazol-4-yl]pyridinium cation, half a tetracyanidoplatinate(II) dianion, which is located about a crystallographic inver
Externí odkaz:
https://doaj.org/article/b4b56f429f034a9d9b3244485b332406
Autor:
Adriana Cruz-Enríquez, Hector J. Peinado-Guevara, Viviana Reyes-Marquez, Herbert Höpfl, José J. Campos-Gaxiola
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 4, Pp o591-o591 (2013)
In the title adduct, C5H5NO·C8H12O4, the heterocycle exists in its zwitterionic form. The cyclohexane ring exhibits a chair conformation with the carboxylic acid groups in equatorial and axial orientations. In the crystal, molecules are linked throu
Externí odkaz:
https://doaj.org/article/554d469092f041098f60089db21a6ac3
Autor:
Miguel Parra-Hake, Herbert Höpfl, Adriana Cruz-Enríquez, Jorge L. Almaral-Sanchez, José J. Campos-Gaxiola
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 3, Pp m157-m158 (2013)
The title compound, (C12H16N3O)[PtCl4]Cl, consists of a 4,4′-(1-azaniumyl-2-hydroxyethane-1,2-diyl)dipyridinium trication, a square-planar tetrachloridoplatinate(II) dianion and a chloride ion. In the cation, the pyridinium rings attached to the ce
Externí odkaz:
https://doaj.org/article/41710440c5674828a5cd3fb372aae2d0
Autor:
José J. Campos-Gaxiola, David Morales-Morales, Herbert Höpfl, Miguel Parra-Hake, Reyna Reyes-Martínez
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 10, Pp m1280-m1281 (2012)
In the title dinuclear complex, (acetonitrile-1κN)[μ-N-(pyridin-2-ylcarbonyl)pyridine-2-carboxamidato-1:2κ5N,N′,N′′:O,O′][N-(pyridin-2-ylcarbonyl)pyridine-2-carboxamidato-2κ3N,N′,N′′]bis(trifluoromethanesulfonato-1κO)dicopper(II),
Externí odkaz:
https://doaj.org/article/693ba79a7556467eb25d213d8afbac6a