Zobrazeno 1 - 10
of 107
pro vyhledávání: '"E. M. Essassi"'
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp o1022-o1023 (2015)
The title compound, C22H20N4O3S, features two fused six-membered rings linked to a 1,2,3-triazole ring which is attached to an ethyl acetate group. The heterocycle in the benzothiazine residue has an envelope conformation with the S atom being the fl
Externí odkaz:
https://doaj.org/article/8bc3ce3d10fa4c3b914d2164411b7c15
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 12, Pp o999-o999 (2015)
In the title compound, C15H13NOS, the thiazine ring adopts a twisted boat conformation and the dihedral angle between the aromatic rings is 86.54 (4)°. In the crystal, molecules are linked by weak C—H...O interactions, resulting in chains along [0
Externí odkaz:
https://doaj.org/article/2600d725c705489190f430fbb3df8669
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 8, Pp o1922-o1922 (2010)
The asymmetric unit of the title compound, C16H14N2O, contains three independent molecules. The dihedral angles between the quinoxaline and phenyl planes in the three molecules are 82.58 (8), 85.66 (9) and 85.36 (9)°. The crystal packing is stabiliz
Externí odkaz:
https://doaj.org/article/f672e110987e4cc8b7f334d55057d3ac
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 7, Pp o1767-o1767 (2010)
In the molecule of the title compound, C12H12N2O, the quinoxaline ring is planar with an r.m.s. deviation of 0.007 (15) Å. The dihedral angle between the quinoxaline and propenyl planes is 82.1 (2)°. The crystal packing is stabilized by offset π
Externí odkaz:
https://doaj.org/article/7ce1bcdb91c941208d4aebca73717cae
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 4, Pp o992-o992 (2010)
All the non-H atoms of the title compound, C17H24N2S, lie almost in a common plane (r.m.s. deviation = 0.049 Å). The octyl chain adopts an all-trans conformation.
Externí odkaz:
https://doaj.org/article/ea6295004e4e403386af79f01eeddd88
Autor:
Abdellah Guenbour, Mohamed Tabyaoui, N. Benzbiria, A. Bellaouchou, E. M. Essassi, M. Azzi, M.E. Belghiti, M. El Fal, M. Boudalia, Siham Echihi
Publikováno v:
Materials Today: Proceedings. 37:3958-3966
The present study focuses on the inhibitive action of 1H, 4H, 5H-pyrazolo[3,4-d]pyrimidine (PPO) as corrosion inhibitor for copper in 3% NaCl solution by electrochemical techniques and gravimetric method. Results indicated that the compound under stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::160d00f3a5e598a4cafe1d0ee5d16036
https://doi.org/10.1016/j.matpr.2020.09.264
https://doi.org/10.1016/j.matpr.2020.09.264
Autor:
Ph. Negrier, A. Aamoum, R. Benallal, E. M. Essassi, B. Kabouchi, Denise Mondieig, H. Bougharraf
Publikováno v:
Russian Journal of Physical Chemistry A. 94:360-369
In this paper, we present the experimental and theoretical investigation of 1-ethyl-3-methylquinoxaline-2-thione, molecule exhibiting an important biological activity. We used X-ray diffraction, UV-visible absorption spectroscopy and DFT calculations
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::daf1492868521b162d5eda4c38c9dff2
https://doi.org/10.1134/s0036024420020053
https://doi.org/10.1134/s0036024420020053
Autor:
Kaouakib El Abida, Z. Tribak, Alae Chda, A. Haoudi, Rachid Ben Cheikh, E. M. Essassi, M.K. Skalli, O. Senhaji, Youssef Kandri Rodi
Publikováno v:
Volume: 2, Issue: 2 105-115
International Journal of Chemistry and Technology
International Journal of Chemistry and Technology
A new series of 5-Chloroisatin derivatives were synthesied and characterises with different characterization methods such as 1H-NMR and13C-NMR spectroscopy, and then tested for their myorelaxant activity. Computational investigations of the compounds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d6f3de7bb37f61487c4b709c662646a3
https://doi.org/10.32571/ijct.446539
https://doi.org/10.32571/ijct.446539
Publikováno v:
IUCrData, Vol 2, Iss 10, p x171424 (2017)
In the title compound, C18H17ClN4O2, the dihydroquinoxaline moiety deviates slightly from planarity. The benzene ring and its chloro and methylene substituents are disordered over two sets of sites, with an occupancy ratio of 0.675 (3):0.325 (3). In
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dacd618a996e7c23bc1754f69409822d
http://scripts.iucr.org/cgi-bin/paper?S2414314617014249
http://scripts.iucr.org/cgi-bin/paper?S2414314617014249
Publikováno v:
IUCrData, Vol 2, Iss 10, p x171370 (2017)
In the title compound, C19H16N4, the pyrazolopyrimidine unit is slightly twisted. A combination of π-stacking and offset π-stacking interactions forms columns along theb-axis direction.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::24ae3f2eb6da445913fe3917d330d815
http://scripts.iucr.org/cgi-bin/paper?S2414314617013700
http://scripts.iucr.org/cgi-bin/paper?S2414314617013700