Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Guadalupe Hernández-Téllez"'
Autor:
Guadalupe Hernández-Téllez, Gloria E. Moreno, Sylvain Bernès, Angel Mendoza, Oscar Portillo, Pankaj Sharma, René Gutiérrez
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 4, Pp 583-589 (2016)
Using a general solvent-free procedure for the synthesis of chiral Schiff bases, the following compounds were synthesized and their crystal structures determined: (S)-(+)-2-{[(1-phenylethyl)imino]methyl}naphthalene, C19H17N, (1), (S)-(+)-2-({[(4-meth
Externí odkaz:
https://doaj.org/article/aa650db1bde44a989dc595cd36ff4cb0
Autor:
Guadalupe Hernández-Téllez, Sylvain Bernès, Angel Mendoza, Francisco Javier Ríos-Merino, Gloria E. Moreno, Oscar Portillo, René Gutiérrez
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 72, Iss 3, Pp 350-354 (2016)
A series of thiophenes substituted in positions 2 and 5 by imine groups have been synthesized using a solvent-free approach, and their crystal structures determined. The substituents are chiral groups, and the expected absolute configuration for each
Externí odkaz:
https://doaj.org/article/f012ec9b415247799b0ef20ab737e583
Autor:
Francisco J. Melendez, María Eugenia Castro, Oscar Portillo-Moreno, Guadalupe Hernández-Téllez, Gloria E. Moreno-Morales, Daniela Gutiérrez-Argüelles, Rodolfo Palomino-Merino, Efraín Rubio-Rosas, René Gutiérrez-Pérez
Publikováno v:
Molecules, Vol 24, Iss 18, p 3304 (2019)
The morphological, optical, and structural changes in crystalline chiral imines derived from 2-naphthaldehyde as a result of changing the −F, −Cl, and −Br halogen (−X) atoms are reported. Scanning electron microscopy (SEM), optical absorption
Externí odkaz:
https://doaj.org/article/68961adb63f5485b85dc64b0e5959d57
Publikováno v:
IUCrData, Vol 1, Iss 8, p x161237 (2016)
The title ionic compound, (C15H28N2)[ZnCl4]·H2O, is isostructural with the CuII analogue published previously [Lee et al. (2004). Bull. Korean Chem. Soc. 25, 823–828; Jasiewicz et al. (2006). J. Mol. Struct. 794, 311–319]. The [ZnCl4]2− anion
Externí odkaz:
https://doaj.org/article/720af4d763974470bae11aaf9fa09564
Autor:
Angel Mendoza, Sylvain Bernès, Guadalupe Hernández-Téllez, Oscar Portillo-Moreno, René Gutiérrez
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 3, Pp o345-o345 (2014)
The title compound, C22H20Br2N2S, was synthesized under solvent-free conditions. The molecule shows crystallographic C2 symmetry, with the S atom of the central thiophene ring lying on a twofold rotation axis. Furthermore, as a consequence of the (S,
Externí odkaz:
https://doaj.org/article/3fcd84238931421f90083c53b685876c
Autor:
Bertin Anzaldo, René Gutiérrez Pérez, Guadalupe Hernández Téllez, Ángel Mendoza, Gloria E. Moreno Morales
Publikováno v:
IUCrData, Vol 9, Iss 7, p x240555 (2024)
The PdII complex bis{(S)-(−)-N-[(biphenyl-2-yl)methylidene]1-(4-methoxyphenyl)ethanamine-κN}dichloridopalladium(II), [PdCl2(C22H21NO)2], crystallizes in the monoclinic Sohncke space group P21 with a single molecule in the asymmetric unit. The coor
Externí odkaz:
https://doaj.org/article/01f820c63f8042b0b3b50f2be73a2eb0
Autor:
Bertin Anzaldo, Gloria E. Moreno Morales, Claudia P. Villamizar C., Ángel Mendoza, Guadalupe Hernández Téllez
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 2, Pp 213-217 (2024)
The (S)-(+)-1-(4-bromophenyl)-N-[(4-methoxyphenyl)methylidene]ethylamine ligand, C16H16BrNO, (I), was synthesized through the reaction of 4-methoxyanisaldehyde with (S)-(−)-1-(4-bromophenyl)ethylamine. It crystallizes in the orthorhombic space grou
Externí odkaz:
https://doaj.org/article/f927859a4e4e4f49bbf0c464a130bb86
Autor:
Sylvain Bernès, Guadalupe Hernández-Téllez, Manju Sharma, Oscar Portillo-Moreno, René Gutiérrez
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp o1428-o1428 (2013)
The title chiral bis-aldimine, C24H26N2S, was synthesized using a solvent-free Schiff condensation. The molecule displays crystallographic C2 symmetry, with the S atom lying on the twofold axis parallel to [100]. As a consequence of the (S,S) stereoc
Externí odkaz:
https://doaj.org/article/6afc2a1af8084446bf9eef633fcd083d
Autor:
Guadalupe Hernández-Téllez, Oscar Portillo-Moreno, René Gutiérrez, Francisco J. Rios-Merino, Angel Mendoza
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 9, Pp o1480-o1480 (2013)
In the title compound, C21H17NS, the C=N double bond shows an E conformation. The dihedral angle between the mean planes of the naphthyl residue and the benzothiophene residue is 89.14 (6)°. The crystal packing is stabilized by intermolecular C—H.
Externí odkaz:
https://doaj.org/article/142787995a5f4c2883348af2f6b1a3dc
Autor:
Guadalupe Hernández Téllez, Gloria E. Moreno Morales, Pankaj Sharma, Rodary Gonzalez, Bertin Anzaldo
Publikováno v:
IUCrData, Vol 9, Iss 1, p x240036 (2024)
The title complex, [PdCl2(C9H13N)2], comprises a single molecule in the asymmetric unit. The PdII atom is tetracoordinated by two N atoms from two trans-aligned organic ligands and two Cl ligands, forming a square-planar metal coordination environmen
Externí odkaz:
https://doaj.org/article/4ac31f793df14910b247bbd7913641be