Aims: In this work, some new chromeno[4',3'-b]pyrano[6,5-d]pyrimidines,3-amino and 3-methyl-5-aryl-4-imino-5(H)-chromeno[4',3'-b]pyrano[6,5-d]pyrimidine-6-ones derivatives were synthesized.
Background: Chromenopyrimidines have attracted significant attention recently because of their activities, such as antiviral and cytotoxic activity.
Objective: All synthesized compounds were characterized using IR, H-NMR, Mass Spectroscopy, and elemental analysis data.
Methods: Molecular docking studies were carried out to determine the inhibitory action of studied ligands against the Main Protease (6LU7, 6m03) of coronavirus (COVID-19). Moreover, the Lipinski Rule parameters were calculated for the synthesized compounds.
Results: The result of the docking studies showed a significant inhibitory action against the Main protease (M) of SARS-CoV-2, and the binding energy (ΔG) values of the ligands against the protein (6LU7, 6M03) are -7.8 to -9.9 Kcal/mole.
Conclusion: It may conclude that some ligands were likely to be considered lead-like against the main protease of SARS-CoV-2.
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http://dx.doi.org/10.2174/1573409919666230529125038 | DOI Listing |
J Infect Dis
January 2025
Gilead Sciences, Inc., 333 Lakeside Dr., Foster City, CA, 94404 USA.
Background: Lenacapavir is a highly potent first-in-class inhibitor of HIV-1 capsid approved for the treatment of heavily treatment-experienced (HTE) people with HIV-1 (PWH) harboring multidrug resistant (MDR) virus, in combination with an optimized background regimen (OBR). Resistance analyses conducted after 2 years of lenacapavir treatment in the phase 2/3 CAPELLA study are described.
Methods: CAPELLA enrolled viremic HTE PWH with resistance to 2 or more drugs per class in at least 3 of the 4 main drug classes.
Chem Biodivers
January 2025
Zhengzhou University, College of Chemistry, Kexue Road 100, 450001, Zhengzhou, CHINA.
The main protease (Mpro) is a cysteine enzyme and represents a vital target for antiviral drug screening. In this work, Twenty-five pyrrole derivatives were synthesized and screened by enzyme activity experiments. Results indicate that six pyrrole derivatives can bind to Mpro and have inhibitory effect on Mpro.
View Article and Find Full Text PDFArch Pharm (Weinheim)
January 2025
Department of Biotechnology, Chemistry and Pharmacy, University of Siena, Siena, Italy.
In the last few years, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been the cause of a worldwide pandemic, highlighting the need for novel antiviral agents. The main protease (M) of SARS-CoV-2 was immediately identified as a crucial enzyme for viral replication and has been validated as a drug target. Here, we present the design and synthesis of peptidomimetic M covalent inhibitors characterized by quinoline-based P moieties.
View Article and Find Full Text PDFACS Omega
January 2025
Institute of Bioinformatics and Medical Engineering, School of Electrical and Information Engineering, Jiangsu University of Technology, Changzhou 213001, P.R. China.
The main protease (M) is a pivotal target in the life cycle of feline coronavirus (FCoV), which causes a high mortality feline disease, feline infectious peritonitis (FIP). Virtual screening was performed against the feline coronavirus M to find active compounds with low toxicity from a library of natural products. Eighty-six compounds were selected by using the rank of docking score and binding pose analysis.
View Article and Find Full Text PDFGenes Environ
January 2025
Graduate Division of Nutritional and Environmental Sciences, University of Shizuoka, Yada 52- 1, Suruga-ku, Shizuoka, 422-8526, Japan.
Background: Skin is exposed to various environmental factors throughout life, and some of these factors are known to contribute to skin aging. Long-term solar UV exposure is a well-known cause of skin aging, as is cigarette smoke, which contains a number of chemicals. In this study, combined effect of UVA and cigarette sidestream smoke (CSS) on matrix metalloproteinase-1 (MMP-1) induction was investigated.
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