Zobrazeno 1 - 10
of 924
pro vyhledávání: '"El Mokhtar, Essassi"'
Autor:
Nadeem Abad, Joel T. Mague, Camille Kalonji Mubengayi, Abdulsalam Alsubari, El Mokhtar Essassi, Youssef Ramli
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 9, Pp 936-941 (2024)
In the title molecule, C25H29N5O, the dihydroquinoxaline unit is not quite planar (r.m.s. deviation = 0.030 Å) as there is a dihedral angle of 2.69 (3)° between the mean planes of the constituent rings and the molecule adopts a hairpin conformation
Externí odkaz:
https://doaj.org/article/5c59f8d3b840406c942e7064bdbf486d
Autor:
Nadeem Abad, Joel T. Mague, Abdulsalam Alsubari, El Mokhtar Essassi, Abdullah Yahya Abdullah Alzahrani, Youssef Ramli
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 6, Pp 610-614 (2024)
In the title compound, C31H24N4O2, the dihydroquinoxaline units are both essentially planar with the dihedral angle between their mean planes being 64.82 (4)°. The attached phenyl rings differ significantly in their rotational orientations with resp
Externí odkaz:
https://doaj.org/article/d6c96e160bc64f7897e7049a1386c158
Autor:
Nadeem Abad, Joel T. Mague, Abdulsalam Alsubari, El Mokhtar Essassi, Mehrdad Pourayoubi, Abdullah Yahya Abdullah Alzahrani, Youssef Ramli
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 4, Pp 383-387 (2024)
In the title compound, C17H12N2O, the quinoxaline moiety shows deviations of 0.0288 (7) to −0.0370 (7) Å from the mean plane (r.m.s. deviation of fitted atoms = 0.0223 Å). In the crystal, corrugated layers two molecules thick are formed by C—H.
Externí odkaz:
https://doaj.org/article/da8d9eae805345969b471f9d2345a844
Autor:
Nour El Hoda Mustaphi, Fatima Ezzahra Aboutofil, Lamyae El Houssni, Eiad Saif, Joel T. Mague, Karim Chkirate, El Mokhtar Essassi
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 4, Pp 430-434 (2024)
The quinoxaline moiety in the title molecule, C13H13ClN2O3, is almost planar (r.m.s. deviation of the fitted atoms = 0.033 Å). In the crystal, C—H...O hydrogen bonds plus slipped π-stacking and C—H...π(ring) interactions generate chains of mol
Externí odkaz:
https://doaj.org/article/4f832516bf21419eab3d4eca58a714a9
Autor:
Nadeem Abad, Joel T. Mague, Abdulsalam Alsubari, El Mokhtar Essassi, Abdullah Yahya Abdullah Alzahrani, Youssef Ramli
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 3, Pp 300-304 (2024)
In the title compound, C31H24N4O2, the quinoxaline units are distinctly non-planar and twisted end-to-end. In the crystal, C—H...O and C—H...N hydrogen bonds link the molecules into chains extending along the a-axis direction. The chains are link
Externí odkaz:
https://doaj.org/article/c7bf459a8734404eab71209633817de4
Autor:
Nohaila Rharmili, Yusuf Sert, Youssef Kandri Rodi, Fouad Ouazzani Chahdi, Amal Haoudi, Joel T. Mague, Ahmed Mazzah, Naoufal El Hachlafi, Nesrine Benkhaira, Kawtar Fikri-Benbrahim, El Mokhtar Essassi, Nada Kheira Sebbar
Publikováno v:
Results in Chemistry, Vol 7, Iss , Pp 101338- (2024)
Ten new isatin derivatives (2–11) were synthesized by alkylation reactions under phase transfer catalysis (PTC) conditions. Structural characterization of all compounds was performed using 1H and 13C NMR spectroscopy. The molecular and crystal stru
Externí odkaz:
https://doaj.org/article/5e90fa7c905d437b8d84b6f62c0067c2
Autor:
Nadeem Abad, Fares Hezam Al-Ostoot, Sajda Ashraf, Karim Chkirate, Majed S. Aljohani, Hussam Y. Alharbi, Shafeek Buhlak, Mohamed El Hafi, Luc Van Meervelt, Basheer M. Al-Maswari, El Mokhtar Essassi, Youssef Ramli
Publikováno v:
Heliyon, Vol 9, Iss 11, Pp e21312- (2023)
Overall, drug design is a dynamic and evolving field, with researchers constantly working to improve their understanding of molecular interactions, develop new computational methods, and explore innovative techniques for creating effective and safe m
Externí odkaz:
https://doaj.org/article/d08ad8a5e0a542afa15852a08ef0c480
Autor:
Youssef Ramli, Wedad Al Garadi, Mohamed El Hafi, Elghayati Lhoussaine, El Mokhtar Essassi, Abdulsalam Alsubari, Joel T. Mague
Publikováno v:
IUCrData, Vol 8, Iss 8, p x230699 (2023)
The majority of the title molecule, C28H34ClN3O9S, is disordered over two closely spaced sets of sites; the site occupancy of the major component = 0.542 (3). The conformation of each component is approximately U-shaped with the chlorobenzene ring fo
Externí odkaz:
https://doaj.org/article/1b903fb0a31a46fe875b38ec36b9cf2f
Publikováno v:
Crystals, Vol 13, Iss 12, p 1693 (2023)
This study investigated the crystallographic and electronic properties of 1,5-benzodiazepine compounds, namely: cis-(3S,4S)-3-hydroxy-7,8-dimethyl-4-phenyl-1,3,4,5-tetrahydro-1,5-benzodiazepin-2-one 3b, trans-(3R,4R)-1-ethyl-3-hydroxy-7,8-dimethyl-4-
Externí odkaz:
https://doaj.org/article/1aee5181c1d94625a796775c374e390d
Autor:
Imane Faraj, Ali Oubella, Karim Chkirate, Khalil Al Mamari, Tuncer Hökelek, Joel T. Mague, Lhoussaine El Ghayati, Nada Kheira Sebbar, El Mokhtar Essassi
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 8, Pp 864-870 (2022)
The asymmetric unit of the title compound, C14H13NO4, contains three independent molecules, which differ slightly in conformation. Each contains an intramolecular N—H...O hydrogen bond. In the crystal, O—H...O hydrogen bonds form chains of molecu
Externí odkaz:
https://doaj.org/article/0507340346704976951df39e60605c79