Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Sahar M. I. Elgarhy"'
Autor:
Shaaban K. Mohamed, Awad I. Said, Joel T. Mague, Moustafa F. Aly, Mehmet Akkurt, Sahar M. I. Elgarhy
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 6, Pp 596-599 (2021)
The conformation of the title compound, C13H11NO2, is partially determined by a strong, intramolecular O—H...O hydrogen bond. The crystal packing consists of strongly corrugated layers parallel to the ac plane and associated through C—H...π(ring
Externí odkaz:
https://doaj.org/article/e550a856fc4644839fc372b33b9e0a6e
Autor:
Omyma A. Abd Allah, Manpreet Kaur, Mehmet Akkurt, Shaaban K. Mohamed, Asmaa H. A. Tamam, Sahar M. I. Elgarhy, Jerry P. Jasinski
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 4, Pp 351-355 (2021)
In the title compounds C23H21ClN2O3 [I, namely 1-(4-chlorophenyl)-4-(4-methylphenyl)-3,8-dioxo-1,2,5,6,7,8-hexahydroquine-3-carboxylic acid] and C24H22N2O3 [II, namely 4-(4-methoxyphenyl)-1-(4-methylphenyl)-2,5-dioxo-1,2,5,6,7,8-hexahydroquinoline-3-
Externí odkaz:
https://doaj.org/article/eda786aa0d8d43e98f90b10eeabac045
Autor:
Shaaban K. Mohamed, Sahar M. I. Elgarhy, Alaa A. Hassan, Güneş Demirtaş, Joel. T. Mague, Youssef Ramli
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 4, Pp 420-423 (2021)
In the title molecular salt, C26H24N3S+·Br−, the dihedral angles between the thiazole ring and its attached phenyl and benzoyl rings are 54.81 (7) and 85.51 (7)°, respectively. In the crystal, ion pairs are linked by C—H...Br and N—H...Br hyd
Externí odkaz:
https://doaj.org/article/a43a4f774b0544538e1ad42510d68c21
Autor:
Shaaban K. Mohamed, Awad I. Said, Joel T. Mague, Talaat I. El-Emary, Mehmet Akkurt, Sahar M. I. Elgarhy
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 4, Pp 356-359 (2021)
In the title compound, C33H26N4O4, the two fused five-membered rings and their N-bound aromatic substituents form a pincer-like motif. The relative conformations about the three chiral carbon atoms are established. In the crystal, a combination of C
Externí odkaz:
https://doaj.org/article/9408bba1ad36416b99840bba97f008d1
Autor:
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Mustafa R. Albayati, Sahar M. I. Elgarhy, Elham A. Al-Taifi
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 3, Pp 242-246 (2021)
The conformation about the central benzene ring in the molecule of (I), C20H19N3O2, is partially determined by an intramolecular N—H...O hydrogen bond. In the crystal, chains parallel to the c axis are generated by intermolecular N—H...O hydrogen
Externí odkaz:
https://doaj.org/article/ef3894652a0f473e879cd0070553f28b
Autor:
Omyma A. A. Abd Allah, Manpreet Kaur, Mehmet Akkurt, Shaaban K. Mohamed, Jerry P. Jasinski, Sahar M. I. Elgarhy
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 3, Pp 247-250 (2021)
In the title compound, C27H33NO5, a 3,3,6,6-tetramethyltetrahydroacridine-1,8-dione ring system carries an ethyl acetate substituent on the acridine N atom and an o-hydroxyphenyl ring on the central methine C atom of the dihydropyridine ring. The ben
Externí odkaz:
https://doaj.org/article/663486e1f964478d97c82cad0d5bf820
Autor:
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Farouq E. Hawaiz, Sahar M. I. Elgarhy, Elham A. Al-Taifi
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 3, Pp 266-269 (2021)
In the crystal, the molecule of the title compound, C26H20N2O3, has crystallographically imposed twofold rotation symmetry. The crystal packing consists of layers parallel to the ab plane formed by O—H...N and C—H...O hydrogen bonds. Between the
Externí odkaz:
https://doaj.org/article/7cbd3ea4049146f9adebe5ec3bea7d8d
Autor:
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Awad I. Said, Farouq E. Hawaiz, Sahar M. I. Elgarhy
Publikováno v:
IUCrData, Vol 3, Iss 2, p x180208 (2018)
In the title nitrone, C22H17N3O, the dihedral angles between the central pyrazole ring and pendant N-bound, C-bound and nitrone-bound phenyl rings are 20.93 (6), 41.27 (6), and 32.57 (6)°, respectively. In the crystal, (101) layers are generated by
Externí odkaz:
https://doaj.org/article/ca212cbd4bcc49049cc9ef036190eca5
Publikováno v:
IUCrData, Vol 3, Iss 1, p x180128 (2018)
The molecule of the title compound, C15H15N3O3, is twisted, with the dihedral angle between the pyridyl and benzene rings being 58.34 (6)°. In the crystal, amide-N—H...O(amide) and imine-C—H...O(amide) hydrogen bonds lead to zigzag (glide symmet
Externí odkaz:
https://doaj.org/article/e911f054151c4eedb7fc2bcd99ace095
Autor:
Shaaban K. Mohamed, Sajjad Ahmad, Mustafa R. Albayati, Sahar M. I. Elgarhy, Chin-Hung Lai, Joel T. Mague, Youness El Bakri
Publikováno v:
Applied Biochemistry and Biotechnology. 194:5781-5807