Zobrazeno 1 - 10
of 269
pro vyhledávání: '"Nashwa M. El‐Metwaly"'
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:
Kahdr Alatawi, Ahmad Fawzi Qarah, Haifa Alharbi, Ali Alisaac, Matokah M. Abualnaja, Roba M.S. Attar, Amerah Alsoliemy, Nashwa M. El-Metwaly
Publikováno v:
Heliyon, Vol 10, Iss 19, Pp e38294- (2024)
Diethyl 2-(((4-methyl-2-oxo-2H-chromen-7-yl)oxy)methylene)malonate (2) was synthesized from coumarin 1 and diethyl ethoxymethylene malonate in ethanol, followed by cyclization in diphenyl ether to give chromene-9-carboxylate (3). Sugar hydrazones 5a-
Externí odkaz:
https://doaj.org/article/bc01e436c9a542c7b2658e7e54049af9
Autor:
Abeer Mogadem, Abrar Bayazeed, Abdulmajeed F. Alrefaei, Sara A. Alqarni, Jihan Qurban, Majid A. Bamaga, E.F.M. El-Zaidia, Nashwa M. El-Metwaly
Publikováno v:
Results in Chemistry, Vol 11, Iss , Pp 101813- (2024)
New pyrimidine linked thiophene conjugates 5a-d and thiadiazole conjugates 7a-d through a carboxamide bridge were synthesized and characterized by the spectral data (IR, NMR and mass). Exploration of the isolated conjugates’ characteristics using D
Externí odkaz:
https://doaj.org/article/59805736fce34d9e98161eeb52f007d5
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 10, Pp 105984- (2024)
The pervasive presence of mercury in water and cosmetics poses significant health risks, necessitating the development of a method for the in-situ monitoring and extraction of mercury ions. This study introduces a novel approach utilizing Mesoporous
Externí odkaz:
https://doaj.org/article/b657122582824527a4cfa54ae3c54f99
Autor:
Kholood Alkhamis, Hawra A. Alghasham, Albandary Almahri, Hussain Alessa, Oumr Adnan Osra, S.A. Al-Ghamdi, Adel M. Binyaseen, Nashwa M. El-Metwaly
Publikováno v:
Arabian Journal of Chemistry, Vol 17, Iss 9, Pp 105875- (2024)
The research work explored the influence of iron doping on the optical behavior, structural characteristics, and radiation shielding capabilities of soda lime borophosphate glass system of composition xFe2O3-(42.5-x)B2O3-26CaO-28.7Na2O-2.8P2O5 (x up
Externí odkaz:
https://doaj.org/article/a205efdc2ed347719c45a8e0bb473c3d
Autor:
Hana M. Abumelha, Ali Sayqal, Razan M. Snari, Kholood M. Alkhamis, Arwa Alharbi, Zehbah A. Al-Ahmed, Nashwa M. El-Metwaly
Publikováno v:
ACS Omega, Vol 9, Iss 11, Pp 13458-13468 (2024)
Externí odkaz:
https://doaj.org/article/60636b120aa84cddb33a0937638d951e
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:
Ameena M. Al-bonayan, Salhah H. Alrefaee, Hussain Alessa, Ali Sayqal, Enas H. Aljuhani, Roaa T. Mogharbel, Fawaz A. Saad, Nashwa M. El-Metwaly
Publikováno v:
ACS Omega, Vol 9, Iss 5, Pp 5386-5394 (2024)
Externí odkaz:
https://doaj.org/article/dded1e1ce8bf49649106f48ba3062aca
Autor:
Amal T. Mogharbel, Gadeer R. S. Ashour, Kholood Alkhamis, Ameena M. Al-bonayan, Matokah M. Abualnaja, Jihan Qurban, Hanadi A. Katouah, Nashwa M. El-Metwaly
Publikováno v:
ACS Omega, Vol 9, Iss 1, Pp 1562-1572 (2023)
Externí odkaz:
https://doaj.org/article/b1e2638cb11f440f97b18cbda513230d
Autor:
Omaymah Alaysuy, Meshari M. Aljohani, Kholood Alkhamis, Nada M. Alatawi, Awatif R.Z. Almotairy, Khulood A. Abu Al-Ola, Abdelrahman S. Khder, Nashwa M. El-Metwaly
Publikováno v:
Heliyon, Vol 10, Iss 7, Pp e28622- (2024)
To eliminate the hazardous pesticide 2,4-dichlorophenylacetic acid (2,4-D) through aqueous solutions, stacked nanorods known as hetero bimetallic organic frameworks (MOFs) of 2-methyl imidazole based on lanthanum and zinc are created. The research's
Externí odkaz:
https://doaj.org/article/05f10e711751479886c4fc080a0fabd5