Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Gonzalo J. Mena-Rejón"'
Autor:
Angel D. Herrera-España, Jesús Aguilera-González, Gonzalo J. Mena-Rejón, Simón Hernández-Ortega, David Cáceres-Castillo
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 75, Iss 6, Pp 717-720 (2019)
Two crystallographically independent molecules (A and B) are present in the asymmetric unit of the title compound, C11H9IN2OS, which differ mainly in the dihedral angle between the phenyl and thiazole rings [38.94 (16) and 32.12 (15)°, respectively]
Externí odkaz:
https://doaj.org/article/c524d8c83621432b9f6937fde0cc03a6
Autor:
Angel D. Herrera-España, Gonzalo J. Mena-Rejón, Simón Hernández-Ortega, Leovigildo Quijano, Gumersindo Mirón-López
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 73, Iss 10, Pp 1475-1478 (2017)
The title compound, C30H44O3 [systematic name: 6aR,6 bR,8aS,9aR,12aR,14bR)-4,4,6a,6;b,8a,14b-hexamethyl-12-methyleneicosahydro-3H-phenanthro[1′,2′:6,7]indeno[2,1-b]furan-3,11(2H)-dione], is a triterpene lactone, which was isolated from dichlorome
Externí odkaz:
https://doaj.org/article/5df81ea0562e47e3ba6bd57355f08562
Autor:
Juan Alberto Moo-Puc, Zhelmy Martín-Quintal, Gumersindo Mirón-López, Rosa Esther Moo-Puc, Leovigildo Quijano, Gonzalo J. Mena-Rejón
Publikováno v:
Química Nova, Vol 37, Iss 1, Pp 85-88 (2014)
Cyclolignan (+)-lyoniresinol (1), veratric acid (2), vanillic acid (3), lupeol, oleanolic acid, 3β-hydroxy-urs-11-en-28,13β-lactone (4), the mixture of α- and β-amyrin, trans-polyisoprene, and β-sitosterol were isolated from the leaves of Mayten
Externí odkaz:
https://doaj.org/article/897e02906fb944b9b79d753f5cc1df61
Publikováno v:
Molecules, Vol 17, Iss 4, Pp 4661-4671 (2012)
The energy change on each Occupied Molecular Orbital as a function of rotation about the C-C bond in ethane was studied using the B3LYP, mPWB95 functional and MP2 methods with different basis sets. Also, the effect of the ZPE on rotational barrier wa
Externí odkaz:
https://doaj.org/article/e00361fb6e1c4b66ad3d4c35cd3e5456
Autor:
Ramiro F. Quijano-Quiñones, Carolina S. Castro-Segura, Gonzalo J. Mena-Rejón, Mariana Quesadas-Rojas, David Cáceres-Castillo
Publikováno v:
Molecules, Vol 23, Iss 10, p 2505 (2018)
Mechanistic theoretical studies about the feasibility of the traditional proposed mechanism of formation for icetexane diterpene dimer grandione were assessed using density functional method at the M06-2X/6-31G(d,p) level of theory. Bulk water solven
Externí odkaz:
https://doaj.org/article/99b6ebe37beb45e98f87a64e5d0656bb
Autor:
Reyna Reyes-Martínez, Rubén M. Carballo, Gonzalo J. Mena-Rejón, Simón Hernández-Ortega, David Cáceres-Castillo
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 8, Pp m295-m295 (2014)
The title compound, (C9H9N2S)2[PdCl4], consists of two monoprotonated 2-amino-4-phenyl-1,3-thiazole molecules and one tetrachloridopalladate anion. The organic molecules exhibit a dihedral angle between the main rings planes of 31.82 (9)°. In the an
Externí odkaz:
https://doaj.org/article/b3961e5aa00a41fbbaa0b66b98721db4
Autor:
Mariana Quesadas-Rojas, Gonzalo J. Mena-Rejón, David Cáceres-Castillo, Gabriel Cuevas, Ramiro F. Quijano-Quiñones
Publikováno v:
Molecules, Vol 21, Iss 11, p 1551 (2016)
The biogenetic origin of triterpene dimers from the Celastraceae family has been proposed as assisted hetero-Diels-Alder reaction (HDA). In this work, computational calculation of HDA between natural quinonemethides (tingenone and isopristimerol) and
Externí odkaz:
https://doaj.org/article/9f4c6fd5c3c3441dbcceab6cb3864daa
Autor:
Jorge F. Xool-Tamayo, Manlio Graniel-Sabido, Gumersindo Mirón-López, Gonzalo J. Mena-Rejón, Miriam Monforte-González, Felipe Vázquez Flota
Publikováno v:
Química Nova, Vol 40, Iss 10, Pp 1238-1243
A sensitive, simple, rapid and reliable HPLC-DAD method for the analysis of the benzylisoquinoline alkaloids (BIA's) content in Argemone mexicana (Papaveraceae) is presented. This method allows the simultaneous separation and quantitation of berberin
Externí odkaz:
https://doaj.org/article/07bfa62479214a759c61c216c9386b6d
Autor:
Juan Chalé-Dzul, Lorena V. León-Deniz, Sara Medina-Gómez, Rosa E. Moo-Puc, Gumersindo Mirón-López, Patricia Gómez-López, Gonzalo J. Mena-Rejón
Publikováno v:
Natural Product Research. :1-5
In this study, twenty-four organic extracts from six marine sponge species, collected at shallows of Yucatan, Mexico, were evaluated against Giardia lamblia trophozoites and Vero cells. The dichloromethane and hexane extracts of Haliclona tubifera ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c4f5ac5a199467252c2a0f01063204f
https://doi.org/10.1080/14786419.2022.2161540
https://doi.org/10.1080/14786419.2022.2161540
Autor:
Mariana Quesadas-Rojas, Gonzalo J. Mena-Rejón, Carolina S. Castro-Segura, David Cáceres-Castillo, Jareth Guadarrama-Moreno, Ramiro F. Quijano-Quiñones
Publikováno v:
RSC Advances. 11:7459-7465
Acrolein dimerization is a intriguing case since the reaction does not occur to form the electronically preferred regioisomeric adduct. Various explanations have been suggested to rationalize this experimental regioselectivity, however, none of these
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::de64ec3147370293f5d01de1eac1c9b9
https://doi.org/10.1039/d0ra10084f
https://doi.org/10.1039/d0ra10084f