Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Nagwa M. Abdelazeem"'
Autor:
Nagwa M. Abdelazeem, Shaimaa A. Gouhar, Cinderella A. Fahmy, Zeinab A. Elshahid, Marwa El-Hussieny
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract In the present study, we prepared new sixteen different derivatives. The first series were prepared (methylene)bis(2-(thiophen-2-yl)-1H-indole) derivatives which have (indole and thiophene rings) by excellent yield from the reaction (2 mmol)
Externí odkaz:
https://doaj.org/article/a2c34bfc0e1f456390d800dd1d0af14a
Autor:
Nagwa M. Abdelazeem, Wael M. Aboulthana, Ashraf S. Hassan, Abdulrahman A. Almehizia, Ahmed M. Naglah, Hamad M. Alkahtani
Publikováno v:
Saudi Pharmaceutical Journal, Vol 32, Iss 5, Pp 102025- (2024)
Based on previous developments of our research programs in trying to find new compounds with multiple biological targets such as antioxidant, anti-diabetic, anti-Alzheimer's, and anti-arthritic agents. In the context, a novel series of sulfonamide de
Externí odkaz:
https://doaj.org/article/dda5e90a0f9a4fcd80635c198f8b160e
Autor:
Farid M. Sroor, Wael M. Tohamy, Khairy M. A. Zoheir, Nagwa M. Abdelazeem, Karima F. Mahrous, Nada S. Ibrahim
Publikováno v:
BMC Chemistry, Vol 17, Iss 1, Pp 1-28 (2023)
Abstract The current study involves the design and synthesis of a newly synthesized pyrrolo[2,3-d]pyrimidine derivatives to contain chlorine atoms in positions 4 and 6 and trichloromethyl group in position 2 using microwave technique as a new and rob
Externí odkaz:
https://doaj.org/article/2b9e7f38fbcd462ebdce3188a9da39f7
Autor:
Bahig M. Atia, Ahmed K. Sakr, Mohamed A. Gado, Hassan S. El-Gendy, Nagwa M. Abdelazeem, Enass M. El-Sheikh, Mohamed Y. Hanfi, M. I. Sayyed, Jamelah S. Al-Otaibi, Mohamed F. Cheira
Publikováno v:
Polymers, Vol 14, Iss 9, p 1687 (2022)
A new synthetic chelating N–hydroxy–N–trioctyl iminophosphorane (HTIP) was prepared through the reaction of trioctylphosphine oxide (TOPO) with N–hydroxylamine hydrochloride in the presence of a Lewis acid (AlCl3). Specifications for the HTIP
Externí odkaz:
https://doaj.org/article/129c13c93be841b8a5e5f3cadaed7bdd
Publikováno v:
Polycyclic Aromatic Compounds. :1-20
Using Silica Sulfuric Acid (SSA) as an eco-friendly, readily available, and reusable catalyst, herein we were prepared a new series of 3,4-dihydropyrimidin-2-(1H)ones and -thiones 4–16 (DHMPs). The condensation reaction of 2,5-dimethoxybenzaldehyde
Autor:
Wahid M. Basyouni, Samir Y. Abbas, Nagwa M. Abdelazeem, Khairy A. M. El-Bayouki, Mohamed Y. El-Kady
Publikováno v:
Polycyclic Aromatic Compounds. 43:1192-1201
Via one-pot reaction of 2-naphthol, thiobarbituric acid and aldehyde in the presence of silica sulfuric acid (SSA) as a catalyst to synthesis benzochromenopyrimidines derivatives. Then we studied the reaction of benzochromenopyrimidines derivatives w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::881b9a27c978984dafab7a838c706f65
Autor:
Wahid M. Basyouni, Mohamed Y. Elkady, Khairy A. M. El-Bayouki, Samir Y. Abbas, Nagwa M. Abdelazeem
Publikováno v:
Organic Preparations and Procedures International. 52:249-260
The development of efficient, practical and environmentally friendly methods of synthesis is one of the main challenges for modern organic chemistry. 1 Recently, the silica sulfuric acid (SSA) cata...
Autor:
Wahid M. Basyouni, Samir Y. Abbas, Nagwa M. Abdelazeem, Khairy A. M. El-Bayouki, Mohamed Y. Elkady
Publikováno v:
Egyptian Journal of Chemistry.
A simple and efficient eco-friendly chemical procedures were developed for the synthesis of series of tricyclic and tetarcyclic dihydropyrimidine derivatives in excellent yields via a one-pot, multi-component reaction in the presence of silica sulfur
Autor:
Wahid M. Basyouni, Nagwa M. Abdelazeem, Samir Y. Abbas, Mohamed Y. Elkady, Khairy A. M. El-Bayouki
A simple and efficient eco-friendly method was developed for the synthesis of new benzo[4,5]imidazo[1,2-a]pyrimidine-3-carbonitrile derivatives in excellent yields. The synthesis was achieved through the reaction of 2-aminobenzimidazole, aldehydes an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f299e07f6afb65ad33f97ae68131bd88