Zobrazeno 1 - 10
of 51
pro vyhledávání: '"C—H...π(ring) interaction"'
Autor:
Houda Lamssane, Amal Haoudi, Badr Eddine Kartah, Ahmed Mazzah, Joel T. Mague, Tuncer Hökelek, Youssef Kandri Rodi, Nada Kheira Sebbar
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 11, Pp 1118-1124 (2024)
The title molecule, C25H23BrN2O2, adopts a cup shaped conformation with the distinctly ruffled imidazolidine ring as the base. In the crystal, weak C—H...O hydrogen bonds and C—H...π(ring) interactions form helical chains of molecules extending
Externí odkaz:
https://doaj.org/article/1fad772aa4934f3aa8c6cf981dbf02fc
Autor:
Hamza Assila, Younes Zaoui, Camille Kalonji Mubengayi, Walid Guerrab, Abdulsalam Alsubari, Joel T. Mague, Youssef Ramli, Mhammed Ansar
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 11, Pp 1221-1225 (2024)
In the title molecule, C20H18ClN3O2, the 2-chlorophenyl group is disordered to a small extent [occupancies 0.875 (2)/0.125 (2)]. The phenylacetamide moiety is nearly planar due to a weak, intramolecular C—H...O hydrogen bond. In the crystal, N—H.
Externí odkaz:
https://doaj.org/article/70695069d66f4b56b70f06c88f95c5ee
Autor:
Zakaria El Atrassi, Zakaria Benzekri, Olivier Blacque, Tuncer Hökelek, Ahmed Mazzah, Hassan Cherkaoui, Nada Kheira Sebbar
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 10, Pp 1075-1080 (2024)
The benzimidazole moiety in the title molecule, C19H25N5O, is almost planar and oriented nearly perpendicular to the triazole ring. In the crystal, C—H...O hydrogen bonds link the molecules into a network structure. There are no π–π interaction
Externí odkaz:
https://doaj.org/article/cba68425385c44538eb59d16e71efbe2
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:
Nour El Hoda Mustaphi, Amina Chlouchi, Mohamed El Hafi, Joel T. Mague, Tuncer Hökelek, Hanae El Monfalouti, Amal Haoudi, Ahmed Mazzah
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 7, Pp 783-788 (2024)
The pyrazolopyrimidine moiety in the title molecule, C13H12N4S, is planar with the methylsulfanyl substituent lying essentially in the same plane. The benzyl group is rotated well out of this plane by 73.64 (6)°, giving the molecule an approximate L
Externí odkaz:
https://doaj.org/article/65b9dd3654ce45e78083c7dd83a1a8de
Autor:
Zakaria El Atrassi, Mustapha Zouhair, Olivier Blacque, Tuncer Hökelek, Amal Haoudi, Ahmed Mazzah, Hassan Cherkaoui, Nada Kheira Sebbar
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 6, Pp 601-606 (2024)
The benzimidazole entity of the title molecule, C17H21N5O, is almost planar (r.m.s. deviation = 0.0262 Å). In the crystal, bifurcated C—H...O hydrogen bonds link individual molecules into layers extending parallel to the ac plane. Two weak C—H..
Externí odkaz:
https://doaj.org/article/7ef0edfb9ffa4be3b41c3468cea0dad0
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:
Abderrazzak El Moutaouakil Ala Allah, Walid Guerrab, Joel T. Mague, Abdulsalam Alsubari, Abdullah Yahya Abdullah Alzahrani, Youssef Ramli
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 5, Pp 532-536 (2024)
In the title molecule, C21H17N3O2, the five-membered ring is slightly ruffled and dihedral angles between the pendant six-membered rings and the central, five-membered ring vary between 50.78 (4) and 86.78 (10)°. The exocyclic nitrogen lone pair is
Externí odkaz:
https://doaj.org/article/8eb392aace9c485a8a57c0b09ce638e7
Autor:
Houda Lamssane, Amal Haoudi, Badr Eddine Kartah, Ahmed Mazzah, Joel T. Mague, Tuncer Hökelek, Youssef Kandri Rodi, Nada Kheira Sebbar
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 80, Iss 4, Pp 423-429 (2024)
In the title molecule, C21H23N3O3, the imidazolidine ring slightly deviates from planarity and the morpholine ring exhibits the chair conformation. In the crystal, N—H...O and C—H...O hydrogen bonds form helical chains of molecules extending para
Externí odkaz:
https://doaj.org/article/288a7eec1b094eee9648ef25490792e8
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