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Coumarin-carbazole based functionalized pyrazolines: synthesis, characterization, anticancer investigation and molecular docking.

ABSTRACT: A series of novel pyrazoline scaffolds from coumarin-carbazole chalcones were synthesized. We explored various acetyl, amide, and phenyl substituents at the N-1 position of the pyrazoline core. The synthesized compounds were characterized by FTIR, ¹H-NMR, ¹³C-NMR, DEPT, and mass spectroscopic techniques. The in vitro cytotoxicity study of all the synthesized compounds was evaluated against HeLa, NCI-H520 and NRK-52E cell lines. Compounds 4a and 7b became the most active compounds and exhibited their potential to arrest the cell cycle progression and induce apoptosis in both the cell lines. In addition, molecular docking studies revealed a higher binding affinity of both the molecules with CDK2 protein. Based on the obtained results, a comprehensive analysis is warranted to establish the role of compounds 4a and 7b as promising cancer therapeutic agents.

SUBMITTER: Patel M

PROVIDER: S-EPMC9037808 | biostudies-literature | 2021 Aug

REPOSITORIES: biostudies-literature

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Coumarin-carbazole based functionalized pyrazolines: synthesis, characterization, anticancer investigation and molecular docking.

Patel Mrugesh M Pandey Nilesh N Timaniya Jignesh J Parikh Paranjay P Chauhan Alex A Jain Neeraj N Patel Kaushal K

RSC advances 20210813 44

A series of novel pyrazoline scaffolds from coumarin-carbazole chalcones were synthesized. We explored various acetyl, amide, and phenyl substituents at the N-1 position of the pyrazoline core. The synthesized compounds were characterized by FTIR, 1H-NMR, 13C-NMR, DEPT, and mass spectroscopic techniques. The in vitro cytotoxicity study of all the synthesized compounds was evaluated against HeLa, NCI-H520 and NRK-52E cell lines. Compounds 4a and 7b became the m ...[more]

PMID: 35480680

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Project description:The severe acute respiratory syndrome coronavirus, identified as SARS-CoV-2, initially established in Wuhan, China at the end of 2019, affects respiratory infections known as COVID-19. In an extraordinary manner, COVID-19 is affecting human life and has transformed a global public health issue into a crisis. Natural products are already recognized owing to the massive advantageous window and efficient antioxidant, antiviral immunomodulatory, and anti-inflammatory belongings. Additionally, the object of the present study was to demonstrate the inhibitory potential of the natural products coumarins and its analogues alongside SARS coronavirus. The present work, focuses on the synthesis of new coumarin analogues and characterized by FT-IR, 1H and 13C NMR, elemental analyses, and mass spectra. The recently synthesised compounds were projected conceptual association for COVID-19 protease and also to explore in anticipation if this protein will help target protease inhibitor drugs such as Calanolide A, Cardatolide A, Collinin, Inophyllum A, Mesuol, Isomesuol, Pteryxin, Rutamarin, Seselin and Suksdorin. The natural coumarin analogues docking scores were compared to standard Hydroxychloroquine. While the 3D module of SARS coronavirus main protease was predicted with the SWISS MODEL web server, as well as biochemical interaction tests were performed with the AutoDock Vina tool between the target protein with ligands. This research further showed that all the protease inhibitors accessed the target protein with negative dock energy. Molecular docking studies found that the natural coumarin analogue Inophyllum A showed an exceptional potential for inhibition with a binding energy of -8.4 kcal/mol. The synthetic coumarin analogues 1m and 1p both demonstrated a similar binding energy, inhibition potential of -7.9 kcal / mol as opposed to hydroxychloroquine and co-crystallized ligand alpha-ketoamide with binding energy values of -5.8 and -6.6 kcal / mol. All compounds evaluated were known as drug-like in nature, passing Lipinski's "Law of 5" with 0 violations except for alpha-ketoamide, passing Lipinski's "Rule of 5" with 1 violation (MW > 500). The inhibitor binding in silico research thus offers a structural understanding of COVID-19 and molecular interactions across the known protease inhibitors centred on the findings of the multiple sequence alliance.

Dataset Information

Coumarin-carbazole based functionalized pyrazolines: synthesis, characterization, anticancer investigation and molecular docking.

Publications

Coumarin-carbazole based functionalized pyrazolines: synthesis, characterization, anticancer investigation and molecular docking.

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