Insight into divergent chemical modifications of chitosan biopolymer

EM Elnaggar, MS Abusaif, YM Abdel-Baky… - International Journal of …, 2024 - Elsevier
Chitosan is used in many applications due to its biodegradability, biocompatibility,
nontoxicity, nonadhesiveness, and film-forming capabilities. Chitosan has antibacterial and …

Discovery of novel pyrazole and pyrazolo[1,5‐a]pyrimidine derivatives as cyclooxygenase inhibitors (COX‐1 and COX‐2) using molecular modeling simulation

R Ayman, AM Radwan, AM Elmetwally… - Archiv der …, 2023 - Wiley Online Library
Searching for effective and selective anti‐inflammatory agents, our study involved designing
and synthesizing new pyrazole and pyrazolo [1, 5‐a] pyrimidine derivatives 4–11. The …

In vitro enzymatic evaluation of some pyrazolo[1,5‐a]pyrimidine derivatives: Design, synthesis, antioxidant, anti‐diabetic, anti‐Alzheimer, and anti‐arthritic activities …

AS Hassan, NM Morsy… - Drug Development …, 2023 - Wiley Online Library
The strategy of utilizing nitrogen compounds in various biological applications has recently
emerged as a powerful approach to exploring novel classes of therapeutics to face the …

Development of novel pyrazole, imidazo [1, 2-b] pyrazole, and pyrazolo [1, 5-a] pyrimidine derivatives as a new class of COX-2 inhibitors with immunomodulatory …

R Ayman, MS Abusaif, AM Radwan… - European Journal of …, 2023 - Elsevier
Searching for new compounds with anti-inflammatory properties is a significant target since
inflammation is a major cause of pain. A series of pyrazole, imidazopyrazolone, and …

Development of novel indolin-2-one derivative incorporating thiazole moiety as DHFR and quorum sensing inhibitors: Synthesis, antimicrobial, and antibiofilm …

AY Alzahrani, YA Ammar, M Abu-Elghait, MA Salem… - Bioorganic …, 2022 - Elsevier
Nowadays, it's imperative to develop novel antimicrobial agents active against both drug-
sensitive and drug-resistant bacterial infections with favorable profiles as high efficacy, low …

Synthesis, characterization, thermal properties, antimicrobial evaluation, ADMET study, and molecular docking simulation of new mono Cu (II) and Zn (II) complexes …

A Ragab, YA Ammar, A Ezzat, AM Mahmoud… - Computers in Biology …, 2022 - Elsevier
One of the interesting research fields is develo** and assessing novel metal-containing
medications. A new isatin-3-thiosemicarbazone derivative 4 was synthesized by two …

Synthetic routes to quinoline-based derivatives having potential anti-bacterial and anti-fungal properties

S Sharma, S Singh - Current Organic Chemistry, 2022 - benthamdirect.com
Quinoline and its derivatives are part of several natural products. Many of them are active
pharmacophores and show enormous biological activities. Owing to their usefulness in drug …

Synthesis, characterization, and in vitro antibacterial activity of some new pyridinone and pyrazole derivatives with some in silico ADME and molecular modeling study

KE Saadon, NMH Taha, NA Mahmoud… - Journal of the Iranian …, 2022 - Springer
A new series of pyridine-2-one and pyrazole derivatives were designed and synthesized
based on cyanoacrylamide derivatives containing 2, 4-dichlro aniline and 6-methyl 2-amino …

Evaluation of the anti-proliferative activity of 2-oxo-pyridine and 1′ H-spiro-pyridine derivatives as a new class of EGFR Wt and VEGFR-2 inhibitors with apoptotic …

RR Raslan, YA Ammar, SA Fouad, SA Hessein… - RSC …, 2023 - pubs.rsc.org
Develo** new agents for cancer treatment remains a top priority because it is one of the
deadliest worldwide. A new series of 2-oxo-pyridine and 1′ H-spiro-pyridine derivatives …

A novel of quinoxaline derivatives tagged with pyrrolidinyl scaffold as a new class of antimicrobial agents: Design, synthesis, antimicrobial activity, and molecular …

MM Abdelgalil, YA Ammar, GAME Ali, AK Ali… - Journal of Molecular …, 2023 - Elsevier
Globally, infectious diseases are becoming harder to treat due to antibiotic resistance, which
has reached high levels. Additionally, develo** new therapeutic options to combat the …