Výsledky vyhledávání - "Y. Reyes Ortega"

Structure and NMR properties of the dinuclear complex di-μ-azido-κ4 N 1:N 1-bis[(azido-κN)(pyridine-2-carboxamide-κ2 N 1,O)zinc(II)]

Autor: S. Hernández Anzaldo, Sylvain Bernès, C. Pastor Ramírez, Y. Reyes Ortega

Publikováno v: Acta Crystallographica Section E Crystallographic Communications. 77:111-116

The new diamagnetic complex, [Zn2(N3)4(C6H6N2O)2] or [Zn2(pca)2(μ1,1-N3)2(N3)2] was synthesized using pyridine-2-carboxamide (pca) and azido ligands, and characterized using various techniques: IR spectroscopy and single-crystal X-ray diffraction in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e44e4877c3df718bcfa52c2f6c924be
https://doi.org/10.1107/s2056989020016680

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Crystal structure of trans-N,N′-bis(3,5-di-tert-butyl-2-hydroxyphenyl)oxamide methanol monosolvate

Autor: Francisco Javier Ríos-Merino, Sylvain Bernès, M.-Á. Velázquez-Carmona, Y. Reyes Ortega

Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 7, Pp 918-921 (2016)
Acta Crystallographica Section E: Crystallographic Communications

In the title solvate, the oxamide derivative presents the same conformation as in the unsolvated molecule, but the lattice solvent introduces disorder for various functional groups.
The here crystallized oxamide was previously characterized as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fcd3dc0ee9261996cb178bc6ca6c5b67
http://scripts.iucr.org/cgi-bin/paper?S205698901600880X

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Kinetic study by 1H nuclear magnetic resonance spectroscopy for biodiesel production from castor oil

Autor: R. Nájera Martínez, V.M. de la Cruz González, J.L. Alcántara Flores, J. Mendieta López, Y. Reyes Ortega, T. del N.J. García Cota, E.E. Galindo Monterrosas

Publikováno v: Chemical Engineering Journal. 178:391-397

In this work a highly profitable process to produce biodiesel from castor oil is being reported, which is convenient in equatorial climate countries where the higuerilla bush grows everywhere. It is not necessary to preheat the reactants, nor to use

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2a04a9f8204ce9151777933c20d2c2e9
https://doi.org/10.1016/j.cej.2011.10.038

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Electronic and structural features of lanosterol in the 14α-demethylation

Autor: Francisco J. Melendez, Blanca M. Cabrera-Vivas, Y. Reyes-Ortega, Sandra García-Hidalgo, Juan C. Ramirez, Flor P. Pineda

Publikováno v: Journal of Molecular Structure: THEOCHEM. 728:7-13

14α-demethylation is the reaction which leads directly to norlanosterol from lanosterol, and is carried out exclusively by lanosterol structure. To discover the features, which make lanosterol a unique molecule able to undergo this demethylation, th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d41028bfd7d22e01c6a5be9b43c6273
https://doi.org/10.1016/j.theochem.2005.01.042

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Theoretical study of structural features of endo, exo double bonds and side chain in 14α-demethylation of lanosterol

Autor: Blanca M. Cabrera-Vivas, Y. Reyes-Ortega, S. García-Hidalgo, Francisco J. Melendez, Flor P. Pineda, M. G. Múñoz-Arenas, Juan C. Ramirez

Publikováno v: International Journal of Quantum Chemistry. 106:542-549

The 14α-demethylation of biosynthetic reactions is carried out exclusively by lanosta-8,24-dien-3β-ol (lanosterol). Theoretical calculations were done to determine the importance of this structure with the Hartree–Fock scheme. It was modeled on s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f719a1c59ab302a98bd8b7c0b1604673
https://doi.org/10.1002/qua.20778

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Purificación de biodiesel obtenido de aceite de ricinus

Autor: T. del N. J. García-Cota, V. M. de la Cruz-Gonzalez, I. Nájera-Martínez, O. Sanchez-Daza, Y. Reyes-Ortega, T. López-Arenas

Publikováno v: Benemérita Universidad Autónoma de Puebla
BUAP
Redalyc-BUAP
Universidad Autónoma Metropolitana
UAM
Redalyc-UAM
Superficies y vacío (México) Num.3 Vol.22

"El aceite de ricino representa una materia prima viable para la producción de biodiesel. Sin embargo, la presencia de un grupo hidroxilo en la estructura del ácido ricinoleico provee de características especiales al aceite de ricino y a sus deriv

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::20a0bab420ea95ad61788b08ae20bd9f
http://www.redalyc.org/articulo.oa?id=94216153005

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(Benzoato-κO)chlorido[(–)-sparteine-κ2N,N′]zinc(II)

Autor: José Luis Alcántara-Flores, Sylvain Bernès, Y. Reyes Ortega, N. Arias-López, René Gutiérrez

Publikováno v: Acta Crystallographica Section E Structure Reports Online. 65:m1142-m1143

The title complex, [Zn(C7H5O2)Cl(C15H26N2)], used for the magnetic dilution of the analogous CuII complex, was synthesized through a direct synthesis route. The coordination geometry around ZnII is best described as distorted tetrahedral, the large

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7fe3326f5cdb3e6cef882b6a1360f6b7
https://doi.org/10.1107/s1600536809033625

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