Zobrazeno 1 - 10
of 47
pro vyhledávání: '"Alaa M. Alqahtani"'
Autor:
Arwa Alharbi, Adel I. Alalawy, Shaker T. Alsharif, Alaa M. Alqahtani, Ali H. Alessa, Mansoor Alsahag, Ali Alisaac, Nashwa M. El-Metwaly
Publikováno v:
Heliyon, Vol 10, Iss 19, Pp e38905- (2024)
A series of benzothiazolopyrimidine-thiazole conjugates 7, 8, and 9 were produced through the reactions of 8-acetylbenzothiazolopyrimidine-thiosemicarbazone compound 6 with chloroacetone, (un)substituted phenacyl chlorides, and ethyl chloroacetate, r
Externí odkaz:
https://doaj.org/article/c32ae2fc78744be3bd3f75c2a4385da4
Autor:
Hana M. Abumelha, Alaa M. Alqahtani, Haifa Alharbi, Adel I. Alalawy, Roba M.S. Attar, Matokah M. Abualnaja, Fawaz A. saad, Nashwa M. El-Metwaly
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 4, Pp 101884- (2024)
This work aims to evaluate the antimicrobial activity of some new quinoline derivatives linked to pyrazole derivatives. The target compounds pyrazolylvinylquinoline 11a-g and 12a-g were achieved by the reaction of 2-chloro-6-nitro-3-quinolinecarboxal
Externí odkaz:
https://doaj.org/article/d4ffc992456f4291bea188a06b4a06e0
Autor:
Mai M. Labib, Alaa M. Alqahtani, Hebatallah H. Abo Nahas, Rana M. Aldossari, Bandar Fahad Almiman, Sarah Ayman Alnumaani, Mohammad El-Nablaway, Ebtesam Al-Olayan, Maha Alsunbul, Essa M. Saied
Publikováno v:
Biomolecules, Vol 14, Iss 8, p 1018 (2024)
Microbial infections pose a significant global health threat, affecting millions of individuals and leading to substantial mortality rates. The increasing resistance of microorganisms to conventional treatments requires the development of novel antim
Externí odkaz:
https://doaj.org/article/a44e0f345fe24a0e8d769547ebbe0b81
Autor:
Fuad A. Alatawi, Abdulmajeed F. Alrefaei, Alaa M. Alqahtani, Amerah Alsoliemy, Hanadi A. Katouah, Hana M. Abumelha, Fawaz A. Saad, Nashwa M. El-Metwaly
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 2, Pp 101830- (2024)
In this manuscript, we are motivated to investigate the reaction site-selectivity for the hydrazo thiazole derivatives (6a–c) with different types of active methylene groups such as malononitrile, and ethyl cyanoacetate. Based on their structural i
Externí odkaz:
https://doaj.org/article/212cbe2c91ee4c16a1a045febe141ffc
Autor:
Matokah M. Abualnaja, Adel I. Alalawy, Omar M. Alatawi, Ali H. Alessa, Ahmad Fawzi Qarah, Alaa M. Alqahtani, Majid A. Bamaga, Nashwa M. El-Metwaly
Publikováno v:
Saudi Pharmaceutical Journal, Vol 32, Iss 3, Pp 101962- (2024)
Background: Tetrazole-based derivatives and their electronic structures have displayed interesting antimicrobial activity. Methods: The tetrazole-based hybrids linked with thiazole, thiophene and thiadiazole ring systems have been synthesized through
Externí odkaz:
https://doaj.org/article/f7d1ddb2e3024f91939d02c2947b08a8
Autor:
Haifa Alharbi, Omar Alsalmi, Adel I. Alalawy, Ahmad Fawzi Qarah, Abdulrahman A. Alsimaree, Alaa M. Alqahtani, Amerah Alsoliemy, Nashwa M. El-Metwaly
Publikováno v:
Journal of Saudi Chemical Society, Vol 28, Iss 1, Pp 101800- (2024)
Eight thiazolyl-thienyl and thiazolyl-thiadiazolyl ketones 5a-d and 6a-d were synthesized based on the reaction of 5-(2-bromoacetyl)-4-methyl-2-(methylamino)thiazole (2) and/or N-(4-chlorophenyl)-2-(4-methyl-2-(methylamino)thiazol-5-yl)-2-oxoacetohyd
Externí odkaz:
https://doaj.org/article/b90a4f31b73741b0a727ee276e653ae0
Autor:
Shaimaa Fayez, Nourhan Hisham Shady, Iten M. Fawzy, Sherif A. Maher, Entesar Ali saber, Mahmoud Elrehany, Alaa M. Alqahtani, Esam S. Allehyani, Ahmed M. Shawky, Usama Ramadan Abdelmohsen, Nada M. Mostafa
Publikováno v:
Journal of Functional Foods, Vol 111, Iss , Pp 105905- (2023)
The horseradish tree “Moringa oleifera” is the most nutritious terrestrial plant around the globe. Although native to India, its fast growth and drought resistance ability enabled the plant to be cultivated worldwide. In the current study, we rep
Externí odkaz:
https://doaj.org/article/3fe6e09a43454a25abde6b4a28af9049
Autor:
Ahmad Fawzi Qarah, Kahdr Alatawi, Adel I. Alalawy, Rua B. Alnoman, Alaa M. Alqahtani, Matokah M. Abualnaja, Wael M. Alamoudi, Nashwa M. El-Metwaly
Publikováno v:
Journal of Taibah University for Science, Vol 17, Iss 1 (2023)
The significant biological activity of phenylthiourea derivatives prompted the synthesis of a new phenylthiourea-based heterocyclic ring systems (pyrazole, thiazole, and pyran), and their chemical structures were elucidated by spectral data. The DFT/
Externí odkaz:
https://doaj.org/article/45cbff5ee9bc46979126764b1dfadf3f
Autor:
Abrar Bayazeed, Rua B. Alnoman, Kahdr Alatawi, Omar M. Alatawi, Alaa M. Alqahtani, Mariam Mojally, Noof A. Alenazi, Nashwa M. El-Metwaly
Publikováno v:
Journal of Saudi Chemical Society, Vol 27, Iss 6, Pp 101754- (2023)
Several new thiazole derivatives linked pyrazole and/or pyridine rings were synthesized based on the versatile precursor 2-(5-acetyl-4-methyl-3-phenylthiazol-2(3H)-ylidene)acetonitrile (1). The synthesized derivatives were optimized using DFT approac
Externí odkaz:
https://doaj.org/article/26e69a90e5d2492b9a7fcc241ece580a
Autor:
Gadeer R.S. Ashour, Alaa M. Alqahtani, Matokah M. Abualnaja, Hanadi A. Katouah, Noof A. Alenazi, Meshari M Aljohani, Fathy Shaaban, Nashwa M. El-Metwaly
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 9, Pp 105063- (2023)
Hydrazones have been a significant group of materials with diverse pharmacological and industrial applications, such as treatment of cardiovascular diseases, parasitic infections, and viral disorders, as well as cosmetic and food additives. In this c
Externí odkaz:
https://doaj.org/article/d553a05d1098412ea387850fd7859460