Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Efren V. García-Báez"'
Autor:
Gabino Gonzalez-Carrillo, Roberto Muñiz-Valencia, Efren V. García-Báez, Francisco J. Martínez-Martínez
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 12, Pp 1866-1870 (2019)
A new polymorphic form of the title compound, C12H10O4, is described in the orthorhombic space group Pbca and Z = 8, as compared to polymorph I, which crystallizes in the monoclinic space group C2/c and Z = 8 [Li et al. (2012). Chin. J. Struct. Chem.
Externí odkaz:
https://doaj.org/article/7fbbca9a824a4bcdbccb9ecb14366da8
Autor:
Jazmin E. González-Padilla, Martha Cecila Rosales-Hernández, Itzia I. Padilla-Martínez, Efren V. García-Báez, Susana Rojas-Lima
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp o1485-o1486 (2013)
The title molecular salt, C13H11N2O+·Cl−·H2O, crystallizes as a monohydrate. In the cation, the phenol and benzimidazole rings are almost coplanar, making a dihedral angle of 3.18 (4)°. The chloride anion and benzimidazole cation are linked by t
Externí odkaz:
https://doaj.org/article/03c2963cb0a743119ca0722c1091b979
Autor:
David Ortegon-Reyna, Cesar Garcias-Morales, Efren V. García-Báez, Armando Ariza-Castolo, Francisco J. Martínez-Martínez
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 7, Pp o2075-o2075 (2012)
The title Schiff base compound, C15H15NO2, crystallized as the iminium–phenolate zwitterion. The H atom is localized on the imine N atom, forming a strong intramolecular hydrogen bond with the phenolate O atom, and giving rise to an S(6) ring motif
Externí odkaz:
https://doaj.org/article/e8ff93cdc7354645a929066f8525e366
Autor:
José Emilio de la Cerda-Pedro, Oscar Javier Hernández-Ortiz, Rosa Angeles Vázquez-García, Efrén V. García-Báez, Ramón Gómez-Aguilar, Arián Espinosa-Roa, Norberto Farfán, Itzia I. Padilla-Martínez
Publikováno v:
Heliyon, Vol 10, Iss 1, Pp e23517- (2024)
In this work, the synthesis of BODIPY-phenyl-triazole labelled coumarins (BPhTCs) using a two-step approach is described. The influence of the BODIPY appending on the photophysical, electrochemical and thermal properties of the phenyl-triazole-coumar
Externí odkaz:
https://doaj.org/article/21ace351cc604e8fbcf64e61adf246ce
Autor:
Jessica E. Mendieta-Wejebe, Martha C. Rosales-Hernández, Itzia I. Padilla-Martínez, Efrén V. García-Báez, Alejandro Cruz
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 11, p 9488 (2023)
(Thio)ureas ((T)Us) and benzothiazoles (BTs) each have demonstrated to have a great variety of biological activities. When these groups come together, the 2-(thio)ureabenzothizoles [(T)UBTs] are formed, improving the physicochemical as well as the bi
Externí odkaz:
https://doaj.org/article/1d6ec6404bdb464aaad7fabc1dfd17ff
Autor:
Martha Cecilia Rosales-Hernández, Jessica E. Mendieta-Wejebe, Itzia I. Padilla-Martínez, Efrén V. García-Báez, Alejandro Cruz
Publikováno v:
Molecules, Vol 27, Iss 18, p 6104 (2022)
The (thio)urea and benzothiazole (BT) derivatives have been shown to have a broad spectrum of biological activities. These groups, when bonded, result in the 2-(thio)ureabenzothizoles (TBT and UBT), which could favor the physicochemical and biologica
Externí odkaz:
https://doaj.org/article/1f503512f84a4ceba629f0387ee5d494
Publikováno v:
Molecules, Vol 27, Iss 19, p 6268 (2022)
Benzimidazole is an important heterocyclic fragment, present in many biologically active compounds with a great variety of therapeutic purposes. Most of the benzimidazole activities are explained through the existence of 1,3-tautomeric equilibrium. A
Externí odkaz:
https://doaj.org/article/ade2c708183a491ea4c46cac15fbf23b
Publikováno v:
Molecules, Vol 26, Iss 21, p 6518 (2021)
Nowadays, organic chemists are interested in the field of heterocyclic chemistry due to its use in the synthesis of a great variety of biologically active compounds. Heterocyclic compounds are widely found in nature and are essential for life. Among
Externí odkaz:
https://doaj.org/article/addaac14af8641b387c7ea8a332c21f1
Autor:
Sayuri Chong-Canto, Efrén V. García-Báez, Francisco J. Martínez-Martínez, Angel A. Ramos-Organillo, Itzia I. Padilla-Martínez
Publikováno v:
Pharmaceutics, Vol 12, Iss 10, p 998 (2020)
A new organic salt of metformin, an antidiabetic drug, and N,N′-(1,4-phenylene)dioxalamic acid, was mechanochemically synthesized, purified by crystallization from solution and characterized by single X-ray crystallography. The structure revealed a
Externí odkaz:
https://doaj.org/article/00941c557a454c8ca3a0b3a23b0c047a
Autor:
Itzia I. Padilla-Martínez, José Miguel González-Encarnación, Efrén V. García-Báez, Alejandro Cruz, Ángel Andrés Ramos-Organillo
Publikováno v:
Molecules, Vol 24, Iss 18, p 3391 (2019)
In this investigation, the reaction of 2-dithiomethylcarboimidatebenzothiazole with a series of six chiral amino-acids was studied. The reaction proceeds through the isolable sodium salt of SMe-isothiourea carboxylates as intermediates, whose reactio
Externí odkaz:
https://doaj.org/article/a25ddd669a2d4b0a85c4b135f5a75c16