Zobrazeno 1 - 10
of 25
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:
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
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, 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
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
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
Publikováno v:
Current pharmaceutical biotechnology. 23(9)
Context: Quinazolines are a common class of nitrogen-containing heterocyclic scaffolds, which exhibit a broad spectrum of pharmacological activities. Objective: In the present study, quinazoline and quinazolin-4-one derivatives were prepared, charact