Publications by authors named "Samar Said Fatahala"

Article Synopsis
  • Interest in pyrrole and pyrrolopyrimidine derivatives has grown due to their significant biological activities, including anti-cancer, anti-microbial, and anti-viral effects, particularly against COVID-19.
  • Scientists are eager to explore more of these compounds because the pyrrole structure plays a crucial role in many pharmaceuticals.
  • This article reviews various synthetic methods for creating pyrrole and its fused compounds, especially pyrrolopyrimidine, while highlighting their medicinal benefits from 2017 to 2021.
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Pyrroles and its fused forms possess antimicrobial activities, they can easily interact with biomolecules of living systems. A series of substituted pyrroles, and its fused pyrimidines and triazines forms have been synthesised, all newly synthesised compound structures were confirmed by spectroscopic analysis. Generally, the compounds inhibited growth of some important human pathogens, the best effect was given by: on Gram-positive bacteria and was higher on yeast (s), by on Gram-negative bacteria and by on filamentous fungi and ).

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Since herpes simplex virus type 1 (HSV-1) infection is so widespread, several antiviral drugs have been developed to treat it, among which are uracil nucleosides. However, there are major problems with the current medications such as severe side-effects and drug resistance. Here we present some newly synthesized cyclic and acyclic uracil nucleosides that showed very promising activity against HSV-1 compared to acyclovir.

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Background: Thiobezimidazoles reveal various pharmacological activities due to similarities with many natural and synthetic molecules; they can easily interact with biomolecules of living systems.

Objective: A series of substituted 2-thiobezimidazoles have been synthesized. Twelve final compounds were screened for in vitro anti-cancer activities against sixty different cell lines.

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A new series of pyrrolopyridines and pyrrolopyridopyrimidines have been synthesized from aminocyanopyrroles. The synthesized compounds have been characterized by FTIR, ¹H-NMR and mass spectroscopy. The final compounds have been screened for in vitro pro-inflammatory cytokine inhibitory and in vivo anti-inflammatory activity.

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A series of N-aryl derivatives of pyrrole and its related derivatives of fused form (namely; tetrahydroindole and dihydroindenopyrroles) were prepared in fair to good yields. The newly synthesized compounds were confirmed using IR, (1)H NMR, Mass spectral and elemental analysis. Tetrahydrobenzo[b] pyrroles Ia-d, 1,4-dihydroindeno[1,2-b]pyrroles IIa,b and pyrroles IIIa-c,e were evaluated for anticancer activity, coinciding with the antioxidant activity; using Di-Phenyl Picryl Hydrazyl (DPPH) tests.

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