Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Marcia Pérez-Fehrmann"'
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2249-o2249 (2012)
In the title compound, C20H18BrN5, the bromophenyl-substituted quinazoline unit is essentially planar [maximum deviation = 0.098 (3) Å] and makes a dihedral angle of 56.04 (14)° with the imidazole ring. In the crystal, molecules are associated by p
Externí odkaz:
https://doaj.org/article/5c9b99d4553e41a3a5c2b11aca9a1524
Autor:
Victor Kesternich, Ronald Nelson-González, Marcia Pérez-Fehrmann, Alejandro Cárdenas, Iván Brito
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1727-o1727 (2012)
In the title compound, C10H9F2N3O, the dihedral angle between the mean planes of the triazole and benzene rings is 20.6 (2)°. In the crystal, molecules are linked by strong O—H... N hydrogen bonds into chains with graph-set notation C(9) along [10
Externí odkaz:
https://doaj.org/article/2229e06bbd7242768d13191a1332b21f
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1847-o1847 (2012)
In the title compound, C13H13N3O, the NNCO unit forms dihedral angles of 35.8 (1) and 84.0 (1)° with the benzene and phenyl rings, respectively. The dihedral angles between the aromatic rings is 61.2 (1)°. An intramolecular N—H...O hydrogen bond
Externí odkaz:
https://doaj.org/article/b3e3abf09f5445028506964e85311dcb
Autor:
Paula Cortés, Mariña Castroagudín, Víctor Kesternich, Marcia Pérez-Fehrmann, Erico Carmona, Guillermo Zaragoza, Arnoldo Vizcarra, Lucas Patricio Hernández-Saravia, Ronald Nelson
Publikováno v:
Dalton Transactions. 52:1476-1486
In this work, electrocatalytic changes of Cu(ii) triazole complexes (Cu(L)2) resulting from inductive effects on the ligands were evaluated to fabricate a sensor for hydrogen peroxide (H2O2) determination.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::493491b50d4466d472bb7ff72edcad4a
https://doi.org/10.1039/d2dt03549a
https://doi.org/10.1039/d2dt03549a
Autor:
Víctor Kesternich, Marcia Pérez-Fehrmann, Víctor Quezada, Mariña Castroagudín, Ronald Nelson, Rolando Martínez
Publikováno v:
Chemical Papers.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6446b7b8a6c03103db43f239787dcdd1
https://doi.org/10.1007/s11696-023-02846-9
https://doi.org/10.1007/s11696-023-02846-9
Autor:
Marcia Pérez-Fehrmann, Víctor Kesternich, Arturo Puelles, Víctor Quezada, Fernanda Salazar, Philippe Christen, Jonathan Castillo, Juan Guillermo Cárcamo, Alejandro Castro-Alvarez, Ronald Nelson
Publikováno v:
RSC Advances. 12:21340-21352
New iodinated 4-(3H)-quinazolinones 3N-substituted with antitumor activity and 3D-QSAR and molecular docking studies as dihydrofolate reductase (DHFR) inhibitors.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0ade3962270f09957c88ae7892879c61
https://doi.org/10.1039/d2ra03684c
https://doi.org/10.1039/d2ra03684c
Autor:
Tamara Martinez, Marcia Pérez-Fehrmann, Guillermo Zaragoza, Arnoldo Vizcarra, Ronald Nelson, Victor Kesternich, Víctor Quezada, Lucas Patricio Hernández-Saravia
Publikováno v:
Journal of Electroanalytical Chemistry. 879:114763
A screen-printed carbon electrode (SPCE) modified with copper (II) 1-(3-bromobenzyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate [Cu(bmtc)2(H2O)] and was used as an electrochemical sensor of hydrogen peroxide. The material was characterised by crystal X
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb87d60415dafaeca663389c091a1f5c
https://doi.org/10.1016/j.jelechem.2020.114763
https://doi.org/10.1016/j.jelechem.2020.114763
Autor:
Ronald Nelson, Sergio Ortiz, Victor Kesternich, Laurence Marcourt, Marcia Pérez-Fehrmann, Philippe Christen
Publikováno v:
Journal of the Chilean Chemical Society. 61:3081-3084
A new series of diarylhydrazones derived from 2,4-dinitrophenylhydrazine were synthesized via condensation with aromatic aldehydes whose structures have been determined by mass spectrometry, infrared spectroscopy, and nuclear magnetic resonance spect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2deceb0405ec04c5f666abd3490cde8f
https://doi.org/10.4067/s0717-97072016000300015
https://doi.org/10.4067/s0717-97072016000300015
Autor:
Philippe Christen, Marcia Pérez-Fehrmann, Ronald Nelson, Victor Kesternich, Laurence Marcourt, Sally Jaldin
Publikováno v:
Journal of Chemical Research. 40:453-457
A cycloaddition reaction at room temperature between aryl azides and 1,3-dicarbonyl compounds in the presence of potassium carbonate in dimethylsulphoxide yielded 10 4-ethoxycarbonyl-1-aryl-5-methyl-1 H-1,2,3-triazoles and seven other closely-related
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb2b6f8a3ea84d49be65a268f706393a
https://doi.org/10.3184/174751916x14656662266973
https://doi.org/10.3184/174751916x14656662266973
Autor:
Marcia Pérez-Fehrmann, Patricio Godoy, Laurence Marcourt, Ronald Nelson, Victor Kesternich, Fernanda Salazar, Philippe Christen
Publikováno v:
Journal of Chemical Research. 38:549-552
A new N-(4-methoxyphenacyl)imidazole and three new substituted N-(phenacyl)triazoles were prepared by reaction of the heterocycle with a phenacyl halide. The former ketone and one example of the latter were reduced to the corresponding alcohols. All
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d039acb54ac0286e4d849c9f39c3c0ec
https://doi.org/10.3184/174751914x14107905836359
https://doi.org/10.3184/174751914x14107905836359