Zobrazeno 1 - 10
of 42
pro vyhledávání: '"Rita M. Borik"'
Autor:
Ashraf H. F. Abd El-Wahab, Rita M. Borik, Al-Anood M. Al-Dies, Ahmed M. Fouda, Hany M. Mohamed, Raafat A. El-Eisawy, Mohamed H. Sharaf, Abdullah Y. A. Alzahrani, Ahmed A. Elhenawy, Ahmed M. El-Agrody
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract The process of creating a series of 3-amino-1-aryl-8-methoxy-1H-benzo[f]chromene-2-carbonitriles (4a-q) involved reacting 6-methoxynaphthalen-2-ol (1), the appropriate aromatic aldehydes (2a-q), and malononitrile (3) in an absolute ethanol/p
Externí odkaz:
https://doaj.org/article/1c586565042d45e09ce6ca0148947619
Autor:
Mohammed Abdalla Hussein, Rita M. Borik, Mohamed S. Nafie, Heba M. Abo-Salem, Sylvia A. Boshra, Zahraa N. Mohamed
Publikováno v:
Molecules, Vol 28, Iss 16, p 6052 (2023)
The current work was conducted to synthesize several novel anti-inflammatory quinazolines having sulfamerazine moieties as new 3CLpro, cPLA2, and sPLA2 inhibitors. The thioureido derivative 3 was formed when compound 2 was treated with sulfamerazine.
Externí odkaz:
https://doaj.org/article/f8463908097e40f680939308612b4ebc
Autor:
Mohammed Abdalla Hussein, Noor Eldin Mohamed Ismail, Ahmed H Mohamed, Rita M Borik, Ali Abdelaziz Ali, Yasser O Mosaad
Publikováno v:
Bioinformatics and Biology Insights, Vol 15 (2021)
Background: Coronavirus-19 (COVID-19) pandemic is a worldwide public health problem that has been known in China since December 25, 2019. Phospholipids are structural components of the mammalian cytoskeleton and cell membranes. They suppress viral at
Externí odkaz:
https://doaj.org/article/c7ce307ab56a4e20b95790f130e3fe72
Autor:
Rita M. Borik
Publikováno v:
Journal of Chemistry, Vol 2020 (2020)
One-pot efficient synthesis of novel chromone derivatives 4a–h and that of 5a–h were described in a simple method via four-component reaction between furochromone carbaldehyde, amine, isocyanate derivatives, and benzoic acid derivatives or nicoti
Externí odkaz:
https://doaj.org/article/49ed796e4b80429fac68ba0959471ebf
Autor:
Khadijah M. Al-Zaydi, Ramadan A. Mekheimer, Sameera M. Mousally, Rita M. Borik, Mohamed H. Elnagdi
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss S2, Pp S2697-S2704 (2017)
The condensation reaction of 3-heteroaromatic-3-oxopropanenitriles 3, 4 and 7 with dimethylformamide–dimethylacetal (DMF–DMA) gave the corresponding enaminones 8, 9 and 10, respectively. Nucleophilic substitution of 8 and 9 with different amines
Externí odkaz:
https://doaj.org/article/9654128fb4534227a34c2ab642217e0a
Autor:
Rita M. Borik, Mohammed A. Hussein
Publikováno v:
Asian Journal of Chemistry. 33:423-438
In this work, a new derivative of ethyl 5-chloro-2-(3-(4-hydroxyphenyl)propanamido)benzoate (1) was synthesized by reacting the amino group of 3-(4-hydroxyphenyl)propanoic acid (0.01 mol) and methyl 2-amino-5-chlorobenzoate in presence of PCl3. Cyclc
Publikováno v:
Molecules, Vol 23, Iss 6, p 1398 (2018)
Curcumin, a widely utilized flavor and coloring agent in food, has been shown to demonstrate powerful antioxidant, antitumor promoting and anti-inflammatory properties in vitro and in vivo. In the present work, synthesis of new heterocyclic derivativ
Externí odkaz:
https://doaj.org/article/5275eba5cf1b4db682f9f4f179f59aa2
Autor:
Rita M. Borik, Ali A Ali, Yasser O. Mosaad, Mohammed A. Hussein, Noor Eldin Mohamed Ismail, Ahmed H. Mohamed
Publikováno v:
Bioinformatics and Biology Insights, Vol 15 (2021)
Bioinformatics and Biology Insights
Bioinformatics and Biology Insights
Background: Coronavirus-19 (COVID-19) pandemic is a worldwide public health problem that has been known in China since December 25, 2019. Phospholipids are structural components of the mammalian cytoskeleton and cell membranes. They suppress viral at
Autor:
Rita M. Borik, Khadijah M. Al-Zaydi
Publikováno v:
Molecules, Vol 12, Iss 8, Pp 2061-2079 (2007)
The reaction of methyl ketones 1a-g with dimethylformamide dimethylacetal (DMFDMA) afforded the enaminones 2a-g, which were coupled with diazotized aromatic amines 3a,b to give the corresponding aryl hydrazones 6a-h. Condensation of compounds 6a-h wi
Externí odkaz:
https://doaj.org/article/043cefc5b0464f14a120ce8c159df8ec
Publikováno v:
Molecules, Vol 8, Iss 12, Pp 910-923 (2003)
Utilization of 2-arylhydrazonopropanals for the synthesis of 2-arylhydrazonoimino propanones, 1,2,4-trizolo[4,3-a]pyrimidines, pyridopyridazine hydrazones, 3-oxaloalkanonitriles and 1,2,3-trizole derivatives by conventional heating and under microwav
Externí odkaz:
https://doaj.org/article/c7448853c5a149f8a8326f491484526e