Zobrazeno 1 - 10
of 654
pro vyhledávání: '"Rizk E"'
Publikováno v:
Molecules, Vol 29, Iss 6, p 1326 (2024)
This review article examines the synthetic pathways for triazolothiadiazine derivatives, such as triazolo[3,4-b]thiadiazines, triazolo[5,1-b]thiadiazines, and triazolo[4,3-c]thiadiazines, originating from triazole derivatives, thiadiazine derivatives
Externí odkaz:
https://doaj.org/article/8c90de32e8cf44a190d84de4180ea449
Autor:
Rizk E. Khidre, Ibrahim Ali M. Radini
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
Abstract A novel series of substituted 4,6-dimethyl-2-oxo-1-(thiazol-2-ylamino)-1,2-dihydropyridine-3-carbonitrile derivatives 6, 9, 13, 15, and 17 was synthesized in a good to excellent yield from the reaction of 1-(3-cyano-4,6-dimethyl-2-oxopyridin
Externí odkaz:
https://doaj.org/article/2d1058b6cf834d6eb481127343b09af4
Publikováno v:
ARKIVOC, Vol 2016, Iss 5, Pp 301-317 (2016)
Externí odkaz:
https://doaj.org/article/0b69004fefcc4d1784e9338b4bc40a90
Autor:
Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Mohamed S. Mostafa, Rizk E. Khidre, Amany S. Hegazy, Benson M. Kariuki
Publikováno v:
IUCrData, Vol 3, Iss 7, p x180966 (2018)
The asymmetric unit of the title compound, C17H13N5O, comprises four independent molecules (A–D). The respective interplanar angles between the phenyl/oxadiazole/methyltriazole/phenyl rings for the four independent molecules are A 8.8 (2), 13.0 (2)
Externí odkaz:
https://doaj.org/article/4a82a1f822ad406fa3d2133d67647dd3
Autor:
Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Mohamed S. Mostafa, Rizk E. Khidre, Amany S. Hegazy, Benson M. Kariuki
Publikováno v:
IUCrData, Vol 3, Iss 6, p x180841 (2018)
The title compound, C19H16N4O3, crystallizes with two molecules (A and B) in the asymmetric unit. In molecule A, the dihedral angles between the triazole ring and the toluyl and nitrobenzene rings are 62.68 (16) and 10.77 (15)°, respectively. The co
Externí odkaz:
https://doaj.org/article/ceb933e348424f85a6fe83872dfd68ae
Autor:
Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Rizk E. Khidre, Mohamed S. Mostafa, Amany S. Hegazy, Benson M. Kariuki
Publikováno v:
IUCrData, Vol 3, Iss 3, p x180402 (2018)
In the title compound, C24H22N4O2S, the dihedral angle between the triazole and thiophene rings is 4.83 (14)°. The dihedral angles between the triazole and tolyl rings and between the thiophene and phenyl rings are 48.42 (16) and 9.23 (13)°, respec
Externí odkaz:
https://doaj.org/article/c523ecdc121f42fcab8db47fcce33251
Autor:
Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Rizk E. Khidre, Mohamed S. Mostafa, Amany S. Hegazy, Benson M. Kariuki
Publikováno v:
IUCrData, Vol 3, Iss 3, p x180443 (2018)
The asymmetric unit of the title compound, C37H28BrClN8S, comprises one molecule. The molecule consists of two ring systems joined by a C—C bond between the dihydropyrazolyl and pyrazolyl rings of the two extended ring systems. The angles between a
Externí odkaz:
https://doaj.org/article/b71199ecb9dc4d7fa3b982d7a8d4f47f
Autor:
Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Rizk E. Khidre, Mohamed S. Mostafa, Amany S. Hegazy, Benson M. Kariuki
Publikováno v:
IUCrData, Vol 3, Iss 3, p x180449 (2018)
In the title compound, C37H28Br2N8S, the dihedral angles between the planes of tolyl–triazolyl–pyrazolyl–phenyl rings are 47.5 (1), 11.4 (2) and 22.4 (2)°, respectively, and the angles between the bromophenyl–thiazolyl–dihydropyrazolyl–b
Externí odkaz:
https://doaj.org/article/24ef1941fd644465a8ce49cdb15e5d68
Autor:
Gamal A. El-Hiti, Bakr F. Abdel-Wahab, Mohamed S. Mostafa, Rizk E. Khidre, Amany S. Hegazy, Benson M. Kariuki
Publikováno v:
IUCrData, Vol 3, Iss 3, p x180424 (2018)
The asymmetric unit of the title compound, C20H18N8O2, comprises one complete molecule and a half molecule completed by crystallographic twofold symmetry leading to Z = 12. The dihedral angles between the planes of the linked phenyl and methyltriazol
Externí odkaz:
https://doaj.org/article/e22ba49f692147908604e2fa91f1ef6b
Publikováno v:
ARKIVOC, Vol 2012, Iss 1, Pp 211-276 (2012)
Externí odkaz:
https://doaj.org/article/a3e68a7b0c6d4fe0b85f030b8b4cec5e