Zobrazeno 1 - 10
of 587
pro vyhledávání: '"Shaaban K Mohamed"'
Autor:
Atef Mohamed Gad Mohamed, Mahmoud F. Mubarak, Moustafa Gamal Snousy, Hanan A. Ahmed, Ayman Nafady, Shaaban K Mohamed, Abeer El Shahawy
Publikováno v:
Environmental Advances, Vol 13, Iss , Pp 100407- (2023)
The presence of permanent hardness ions (sulfate and chloride) in drinkable water in large amounts causes many problems, either health effects like bad taste, color, and odor of water or technical effects like the formation of stains and scales in ho
Externí odkaz:
https://doaj.org/article/c5386c866cac4d2583cc0b99d970dee4
Autor:
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Abdallah M. Alfayomy, Fatma A. F. Ragab, Mokhtar A. Abd ul-Malik
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 9, Pp 880-884 (2022)
In the title compound, C24H23FN4O4S·0.25H2O, the dihydropyrimidine ring is distinctly non-planar, with the flap C atom deviating by 0.297 (2) Å from the least-squares plane. In the crystal, zigzag chains are formed by N—H...N hydrogen bonds paral
Externí odkaz:
https://doaj.org/article/9417d21d647b4ef895e9588ff9a2ff7e
Autor:
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Laila H. Abdel-Rahman, Mohamed Abdel-Hameed, Mustafa R. Albayati, Elham A. Al-Taif
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 8, Pp 860-863 (2022)
The title molecule, C21H26N2O3, adopts a V-shaped conformation and is chiral at the C atom with methyl group attached at the common cut of the edges of the V-conformation and crystallizes as a racemate. It also contains an intramolecular O—H...N hy
Externí odkaz:
https://doaj.org/article/365ad059b50c4ab8938f6b7feec78df5
Autor:
Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Abdallah M. Alfayomy, Sahar M. Abou Seri, Shaban A. A. Abdel-Raheem, Mokhtar A. Abd Ul-Malik
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 8, Pp 846-850 (2022)
In the title molecule, C23H20Cl2N4O3S, the thiazole ring is planar while the pyrimidine unit fused to it adopts a screw-boat conformation. In the crystal, thick sheets parallel to the bc plane are formed by N—H...N, C—H...N and C—H...O hydrogen
Externí odkaz:
https://doaj.org/article/ee6bd69905df41618d0aa3885e34a63d
Autor:
Eman M. Sayed, Reda Hassanien, Nasser Farhan, Hanan F. Aly, Khaled Mahmoud, Shaaban K. Mohamed, Joel T. Mague, Etify A. Bakhite
Publikováno v:
ACS Omega, Vol 7, Iss 10, Pp 8767-8776 (2022)
Externí odkaz:
https://doaj.org/article/7d1aedc7e67d48138f1f378f81feb0ee
Autor:
Elham A. Al-Taifi, Islam S. Marae, Yasser A. El-Ossaily, Shaaban K. Mohamed, Joel T. Mague, Mehmet Akkurt, Etify A. Bakhite
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 2, Pp 220-224 (2022)
In the title molecule, C25H28N2O5S, (alternative name ethyl 2-{[7-acetyl-4-cyano-6-hydroxy-8-(4-methoxyphenyl)-1,6-dimethyl-5,6,7,8-tetrahydroisoquinolin-3-yl]sulfanyl}acetate) the 4-methoxyphenyl group is disposed on one side of the bicyclic core an
Externí odkaz:
https://doaj.org/article/1b3135dd48184df2a685a5639e2b0ca3
Autor:
Shaaban K. Mohamed, Etify A. Bakhite, Sevim Türktekin Çelikesir, Hajjaj H. M. Abdu-Allah, Mehmet Akkurt, Omaima F. Ibrahim, Joel T. Mague, Safiyyah A. H. Al-Waleedy
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 2, Pp 225-230 (2022)
The asymmetric unit of the title compound, C25H21N3O2S, comprises four molecules. Their conformations differ primarily in the orientations of the styryl and the N-phenylcarboxamido groups. In the crystal, intermolecular N—H...N, C—H...O and C—H
Externí odkaz:
https://doaj.org/article/c94b498362b445dcb52e82e455d8947e
Autor:
Mahmoud S. Tolba, Adel M. Kamal El-Dean, Mostafa Ahmed, Reda Hassanien, Mostafa Sayed, Remon M. Zaki, Shaaban K. Mohamed, Sameh A. Zawam, Shaban A. A. Abdel-Raheem
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 1, Pp 121-138 (2022)
Pyrimidine compounds continue to attract great interest in the field of organic synthesis due to their various chemical and biological applications observed, especially in recent times. As a result, this review covering some periods from 1957 to 2021
Externí odkaz:
https://doaj.org/article/a510b69e721d4600bd23a2d5e722d3e6
Autor:
Mahmoud S. Tolba, Mokhtar A. Abd ul-Malik, Adel M. Kamal El-Dean, Ahmed A. Geies, Shaban M. Radwan, Remon M. Zaki, Mostafa Sayed, Shaaban K. Mohamed, Shaban A. A. Abdel-Raheem
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 1, Pp 29-42 (2022)
Oxygen-containing heterocycles are largely distributed in natural and synthetic compounds. Coumarins are among the most famous heterocycles which possess one oxygen atom in their rings. Coumarins are classified as multifunctional scaffold and are use
Externí odkaz:
https://doaj.org/article/ced40c5da85f4d848bc788d42a880244
Publikováno v:
Current Chemistry Letters, Vol 11, Iss 4, Pp 359-370 (2022)
Increasing the yield and nutritional value of faba beans is one of the main objectives of the common bean cultivar improvement programs due to its contribution to terminate protein deficiency malnutrition in developing countries and raising the incom
Externí odkaz:
https://doaj.org/article/6eea3392c0214c089d3a43318125bf27