Journal
FUTURE MEDICINAL CHEMISTRY
Volume -, Issue -, Pages -Publisher
Newlands Press Ltd
DOI: 10.4155/fmc-2023-0210
Keywords
bis-thiazoles; HSV-1 inhibitors; in silico simulations; xylenyl-spaced bis-carbazones
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A new series of xylenyl-spaced bis-carbazones were successfully synthesized and used as building blocks to construct a variety of bis-thiazole/thiazine derivatives. These newly synthesized compounds exhibited remarkable antiviral activity, especially compound 6d. Molecular docking study further confirmed the antiviral mechanism of these compounds.
Aims: Development of some potent bis-thiazole and bis-thiazine derivatives that could be used as antiviral prototypes. Materials & methods: Xylenyl-spaced bis-carbazone scaffold 3 was used as a versatile building block for bis-thiazole derivatives 6a-e and 9a-d and bis-thiazine derivatives 12a-f. These bis-heterocycles were screened as herpes simplex virus type 1 (HSV-1) inhibitors. Results: The new bis-heterocyclic compounds showed remarkable antiviral activity (e.g., compound 6d cytotoxicity concentration CC50 >500 mu g/ml). The antiviral capacity of the synthesized bis-compounds was supported by a molecular docking study against the glycoprotein D receptor of HSV-1. Compounds 6b, 9b, and 12c displayed the best binding coefficients. Conclusion: A new series of xylenyl-spaced bis-carbazone scaffolds were used as a building scaffold to construct a host of bis-thiazole/thiazine derivatives that could be used as antiviral prototypes.
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